IB biology HL lab Investigate the effects of sodium bicarbonate and Report - 1

IB biology HL Investigate the effects of sodium bicarbonate and light intensity on the rate of photosynthesis of leaves through the observation of floating leaf discs - Lab Report Example In this experiment, the aim is to investigate on the effects of sodium bicarbonate and the intensity of light on the photosynthesis rate in green spinach leaves through the use of floating leaf disks. Being autotrophic organisms, leaves depend on the photosynthesis process that occurs in a series of enzyme mediated steps to capture light and build energy rich carbohydrates. Leaves, when put under water undergo the light-dependent reaction process, thereby producing and releasing oxygen to their interior parts; thus, causing them to rise. However, during the same process, another process, cellular respiration, takes place and consumes the produced oxygen. Therefore, this implies that leaves must have provided the source of carbon that would allow for photosynthesis to take place (Renger, 2008). The available carbon dioxide coupled with the amount of light that the plant receives, the rate of photosynthesis is influenced. With the aspect of sodium bicarbonate arising from the CO2, it is predictable that the same would have an effect on photosynthesis rate. In this lab report, data shall be presented for the variables of the study in categories of control, dependent and independent variables. The data collected shall be in the form of number of disks that floated during the experiment when subjected under different intensities of light and solutions. The hypothesis is that when the green spinach leaves are exposed to higher light intensities in the presence of the sodium bicarbonate, less time will be taken for the leaf disks to float. This is for the reason that there is an increase in the production rate of oxygen during the photosynthesis process that the leaf disks undergo. Upon setting up an experiment in the recommended manner using all the laboratory materials and procedures, the following data was recorded in relation to the number of leaf disks that float to the top of

Harlem Shake Essay Example for Free

Harlem Shake Essay I am going to describe what I saw when I watched the Peanuts Harlem Shake video. The Harlem shake is a dance where one person dances alone for fifteen seconds, then a roomfull of people joins in doing crazy gyrating manically dance movements. Sometimes in costumes with random objects sometimes not. The reason I choose this one is because it reminds me of when I was a child and used to watch the Peanuts. On the stage of an auditorium with purple drapes and a pink wooden floor sets a grand piano. Sitting at this piano is Schreoder, a boy that has yellow hair. He is wearing a purple and black striped shirt and black pants. Behind the piano is Snoopy, a white beagle with black ears. Across the piano from Schreoder is Lucy, a girl. She has black hair and a purple dress. She is laying on the floor with her arm resting on the piano relaxing. Schreoder begins to play the piano and the same time as bass drop music as if he was playing it. Lucy is relaxing at the opposite end of piano. Snoopy starts junping up and down , running in place while his arms are spread open. At first they are oblivious to his dancing. Then they notice looking at him oddling. A few seconds later Snoopy stops tired and panting hard. The a voice over a speakers saysDo The Harlem Shake. Then a whole stage of people are dancing manically. Now Snoopy is on the front of the stage. He now has a red guitar and is playing it like a rock star, then stands it up on its end and is dancing around it. Schreoder continues to play piano. On the stage behind piano is Pigpen, a boy that never baths and has dirty clothes. He is strumming on a cello. You can tell he is dirty from the dirt and dust swirling in the air around him. There are twin girls in purple dresses dancing happily bouncing on one foot to the next waving their hands in the air in the middle of the stage. Charlie Brown, a bald boy wearing a yellow shirt with a zigzag black stripe is standing in the corner not knowing what to think about all the craziness. He is holding a megaphone but never uses it as if hes thinking What am I going to do? and just watches confused. Then bass drop music continues, you hear what sounds like a lion roar. The dancing continues. Also in the front of stand next to Snoopy is a spikey haired boy with a orange shirt. He is bouncing on his toes while shrugging his shoulders moving his head from one side to another. Freda, a natural curly brunette is in the back of the stage. She jumping up and down, arms out in front of her waving them back and forth happily. Next to her is a boy with brown hair and a green shirt. He is walking like a zombie with his arms straight out in front of him, then he switches and does the running man dance. In the middle of stange thes a girl in a green dress with black hair. She is doing a dancing like shes puncing someone while jumping. To the right of her is Linus, a boy who alway carries a banket. He is dancing with blanket in his hands, arms to his side moving them up and down. Sally, a blonde hair girl, wearing a blue dress is doing a dance that resembles the drying yourself with a towel. With Charlie Brown still confused, the music ends and so does the dancing. I do believed that the Peanuts did do the first harlem shake, but without the bass music. The video I watched the dance from was from Charlie Brown Christmas,which was produced in 1965. The harlem shake with the bass music started in 2012, 47 years later.

The Semiotic Characteristics Of Religious Symbols

The Semiotic Characteristics Of Religious Symbols Abstract: symbols ,which are meaningful and imaginative, are widely used in western religion. Actually, religious symbols are not only signs, but also a picture which contains thousands of meanings. Semiotics gives us a channel to achieve our aims reading the thought of our ancestors. Key words: semiotics, religion, religious symbols, signs I.Introduction The origin of the religious symbols The brain, which is always interested in the environment, distinguishes us from ordinary animals. Humans always ask some questions about the world: who we are, why we live on this plant, where we go to after we dead, what the meaning of raining, flood, thunder, meteor is. Thousands of years ago, humans can not answer some of these questions scientifically. So it makes us to believe that there is a kind of powerful force controlled these things. Actually, to some extent humans create a belief system which can answer these questions by themselves. Humans derive an integrated symbol and sign system, which is used to represent our thought about the universe, from the belief system. Also the religious symbols belong to it. Actually, the origin religious symbols are totem. Lu Deping has give a very comprehensive definition in his paper Semiotic Interpretation of the Primitive Totems Totem is the marker for the primitive people to identify their social affiliation consciously. It also acts as the means for the primitive groups to define their existence from the empirical continuum or the environment mingled with them.(Lu Deping , 2004) Most of the totems are abstracted from the natural such as animals , plants, mountains and so on. The Chinese dragon, which is associated by more than ten kinds of animals, is a typical totem in Chinese history. Totems rate high in mythical discourses, religious rites, and some primitive paintings . Totems are treated as symbols which can connect humans with the mysterious power which is controlling the world. With the development of human society, thousands of years latter, the threaten and worship for the mysterious power promote us to trust that there are God or Buddha in the world. Then everything that we can not understand looks logical. God or Buddha can save us from disease, disaster and anything bad. Then totems change with the passing time. They become much simple and easy to be drawn or identification such as (Christian Cross), (Star of David), (Lotus Flower), ( Taiji). B. Difference between symbol and sign In our daily life, we always try our best to distinguish symbols and signs apart. However, it is hard to do this sometimes. In linguistics, semiotics and psychology, symbol and sign are equal with each other at most times. Symbol needs sign to allege itself, and also sign means the symbolic sign. In Oxford Advanced Learners Dictionary of Current English (Sixth edition), it give us a definition of sign and symbol: sign is a mark which used to represent something, especially in mathematics. Also it means an event, an action, a fact that shows that something exists, is happening or may happen in the future .(A S Hornby. P1626).Symbol is defined as a sign, number, letter, etc. that has a fixed meaning especially in science mathematics and music.( A S Hornby.P1791) As you see in dictionary, symbol and sign almost have the same meaning. They can also mean something that indicates that something exists or may happen, but a sign is usually something that you may find or see, while symbol is usually insinuate. It is much more meaningful. For example, sign always gives us something simple and direct. it means enter forbidden. it means no turning left. On the other side, symbol is image or the underlying meaning behind the sign. For example , fire is the symbol of the sun and the male power, the spring flowers represent a new birth and new life. When we observe the world with symbol, maybe you feel that life become much more colorful and meaningful. In academic field, the argumentations about sign and symbol have never stopped . In all of which Saussure and Pierce are the representative of symbol in semiotics. Saussure position of symbol and sign is not definite. But in his Course in General Linguistics, he think that the word symbol is sometimes used to designate the linguistic sign, or more exactly the part of the linguistic sign which we are calling the signal.(Ferdinand de Saussure, 1986,p.68). But Pierce point out that everything is a sign. It defines three roles encompassing (1) the sign, (2) the signs subject matter, called its object, and (3) the signs meaning or ramification as formed into a kind of effect called its interpreting .(Charles Sanders Peirce by wikipedia). Peirce think that symbol belongs to sign . We can conveniently explain the semiotic phenomenon. For example, the shop signboard is a sign, The words or symbol is sign. The shop which represents is the object. At last ,the information of the words or symb ol is the interpreting. II.The relationship between religion and religion symbols No matter which kind of religion it is, in its early iterations, religion is expression by symbols. Before Gandhara time, there is no Buddhist Statue in Buddhism. People use the symbols such as the big banyan tree, pedestal, dharma-cakra and footmark and so on to represent some meanings. The same with Buddhism, the early Christianity also use a symbolistic way to extend its doctrines. For example, the Christian Cross represent Christ, The palm tree stands for a martyr. Fish is the symbol of Jesus. Peacock means this eternal soul within the body of every living entity is immortal; Interestingly most of the religions choose plants, animals, or abstract symbols to symbolize its doctrines. Religious symbols are also changed with the development of religion. Until now, the cross is often shown in different shapes and sizes, in many different styles. It may be used in personal jewelry, or used on top of church buildings. A. The importance of religion in western peoples eyes As we know, religions have a wide-ranging influence on social life in western country. They are concerns about law, politics, art, economy and science. It is a long time that law and religions have the same element: observances, traditions, authority and generality. Before the Middle Ages, or in the Middle Ages, in Rome the Church almost have control the country. Church has its own canon law. People are not only protected by the Natural Law, but also observe the canon law and be committed to the church, or they would be punished by the canon law. The canon law is formed by Bible, resolution of church meeting, Popes edict and Roman law. In the world of art, the religion have a far-reaching effect. One of the most famous painters, Da Vinci has painted some famous paint such as The Last Supper, The Vitruvian Man, The Baptism of Christ and so on. Even though Da Vinci is regarded as a Christian. The Last Supper the most reproduced religious painting of all time. Perhaps you have known a best seller book named The Da Vinci Code . In the book , the writer has given as a new side to understand The Last Supper . He thinks that there is a big secret hidden in The Last Supper. It is about the Holy Grail which is an argument in Christianity. The writer also says Da Vinci incorporated in many of his Christian paintings hidden symbolism that was anything but Christian-tributes to his own beliefs and a subtle thumbing of his nose at the Church (Dan Brown,2003,p50) Although the viewpoint is not agree with most pursuers ,but I think Da Vince can not draw these works with any effects of religion. If you are a careful person or a politic enthusiastic, you may notice the inaugural speech of the USA. Almost all the presidents of American will say God bless you, God bless the United States of American . at the end of the speech. It is regarded as the most obvious example of the effect religion in politics. The incumbent president, Obama in his inaugural speech says We are a nation of Christians and Muslims, Jews and Hindus and non-believers. To the Muslim world, we seek a new way forward, based on mutual interest and mutual respect. You can find that the disciples of religion are also the important source of votes. And the church also has a lot of social capital. Church can provide a lot of volunteers for community work. The church holds the non-governmental organization such as hospital, orphanage, and a homeless centre together. In fact, most of primary school in American are hold by church. Religion has a far-reaching influence in western peoples life. Ninety-five percent Americans are blamed he believes god. They may go to church every week and tell the god what they have done or what they want to do next week. Even more remarkable, Christian would pray before their meal in order to thank god for his mercy. When they face some problem or difficulties, they may beg god for power. Most Christians believe that they will go into heaven if they do something good., or they help god to punish evils. In western countries, there are also some festivals connected with religion. Christmas, Easter, All Saints Day are known by us. Christmas is the birthday of Jesus. It is the most important festival in western countries. The important use of the religious symbols during religious activities When we talk about religious symbols, we must understand what it is. In the front of my paper, I have given you the definition in the dictionary of symbol. But I think religious symbol have a little different with it. Religious symbols are a mark used as a token of something invisible. Religious symbols have a perpetual connection with the significance. They must respect a concept which is hard to deeply understand and hold in the round. As the understanding of religious symbols, Here, I want to point out three important use of them in religious activities. The first one is conveyance. In religious activities, religious symbols are treated as a paper. On the paper, the wish of us has been written . Colors have considered as a religious symbols. There are two groups of color in Christianity. The first group is red, white, green and blue. They are used to explain the hope of life, pure, peace and beautiful. The black, brown, grey and yellow are stand for danger, death and unclean. So you may find that in western countrys celebration of a marriage, the bridal dress must be white, and the pastor should wear a white or red shawl to bless the new couple. But in the funeral, the pastor may wear a black shawl to make a memorial speech. The religious symbols have been used us a way to send some information to others. Actually, the cathedral is not only a place for prayer, but also a symbol of religion. People prayed to god to keep their family from harm or forgive their crimes. Here god show his mercy to all of us. Then the cathedral has been tr eat as a refuge of our soul. It convey the order of the god to us and point out the way forward. The second is connection. During the religious activities, we often see the Christian to make the sign of the cross over so as to sanctify or devotion. Exactly, they think it is a way to communicate with god. When they make the cross, the soul is connecting with god. They will get the message from the god. On the other side, the cross is considered as the symbol of god. It is the God incarnate. They pray before the cross in order to inspire from the god and clean their soul. The third is decoration. The Christian Cross is often used on the top of the church. Firstly, it symbolize it is a church and its awfulness. But the second is decoration. Actually, religious symbols are widely used in religious building and arts. Cross, Rose and four colors which I have introduce to you in the front of my paper, are three kinds of common elements in Christian building. When you walk into a church, you may observe the window carefully. There are a lot of pictures on the window. Most of these pictures describe a story between pope and his knights. You can easily find that cross is used on the shield of knight and his cloth. Of course, most of pictures can not get through with color. Christianity likes to use white, blue, green and golden to decorate these pictures. There is one important plant in Christianity. The vines is to Christianity what lotus is to Buddhism. In Bible, there are a lot of story mentioned the vines For the kingdom of heaven is like unto a man that is an householder, which went out early in the morning to hire labourers into his vineyard. (Matthew, 20:1) So when even was come, the lord of the vineyard saith unto his steward, Call the labourers, and give them their hire, beginning from the last unto the first. (Matthew, 20:8) And the vine said unto them, Should I leave my wine, which cheereth God and man, and go to be promoted over the trees?(Judges 9:13) There are some other place mentioned vines such as Isaiah 5: 1-7, Mark 12:1, Luke 20:9 and so on. That is why vines can be use on the wall of churchs building and the martyrs tomb. III.The semiotic characteristics of religious symbols In the front of my paper, we have analysis the religious symbols through the cultural semiotics and general semiotics. Actually, Semiotic has been divide into linguistic semiotics, general semiotics, cultural semiotics. Religious symbols are various in forms and rich content. They are full of or characterized by semiotic meaning. A. The characteristics of semiotics We should analysis the status and influence of contemporary semiotics in two aspects: surface and substance. On the face of it, Semiotics has been not an independent subject. The achievements in scientific research are not noticeable and some of the achievements are lack of quality. Judging by substance, semiotics has been widely used in most of the humanities. More and more celebrated scholars be engaged in semiotics research. The phenomenon reflects the exuberant vitality of semiotics. In Li Youzheng book-Introduction to Theoretical Semiotics, the writer introduce the complex of Semiotics. Mostly ¼Ã…’my opinion is also based on this book.In Introduction to Theoretical Semiotics, the write definite the semiotics like this Semiotics is a subject which analyzes sign, semiosis or the function of sign. (Li Youzheng, 1996.p.2) and symbol is belong to its study. So as far as I am concerned, Semiotics has three marked characteristics. Firstly, Semiotics has a long history. Posner has divided it into six types: Ancient Greece and Rome, Ancient and Middle Age, Middle Age western semiotics history, the modern western, the contemporary western, The concept of non-Western notation history. (Historical and Theory, a Journal Chinese, 1988.P116-117). The history of semiotics is tracked back to 3000 B.C. But until the 60th age, the semiotics is treat as an independent discipline, which emerges in French, American and Soviet. Secondly ¼Ã…’Semiotics is a complicated and broad science. Li Youzheng also divides the semiotics into three parts: linguistic semiotics, general semiotics and cultural semiotics. Linguistic semiotics has used linguistic, phonemics, semantics, stylistics and rhetoric. Linguistic semiotics must use coordination of several subjects to explore the meaning of symbols or signs. Compared with linguistic semiotics, perhaps general semiotics is a little simpler. But it also involves various theories such as Morrices conception of theory of sign system, Ecos typology of signs, Peirces Typology of signs, Non-Strcit code systems. These theories are all important and never be neglected in the semiotic history. Lastly ¼Ã…’the cross-cultural research is extremely difficulty. The most obvious point is the understanding of a symbol à ¥Ã‚ Ã‚  In most influenced by Buddhism, people think that à ¥Ã‚ Ã‚  respects constancy and auspicious indication. But in World War 2. Hitler chooses it to be the sign of Nazi. Hitler consider the Aryans is the best race all around the world. à ¥Ã‚ Ã‚  is the symbol of Aryans. Another is color. In western country, rose is the symbol of love, and red symbolize the passion, but sometimes it refers to scarlet woman. As I know, red always refers to pure love and happy in China and India. Chinese bride always wears a red dress. So we can easily find that different cultural take different understanding of symbols and sign. When we are going to analysis the meaning of a symbol or sign across culture, it may take a big problem to us. The characteristics of religious symbols The same as the semiotics, the religious symbols have a long history. At the beginning of my paper, I have introduced the original religious symbol Totem to you. Religious symbols almost have the same history of humans civilization. With the development of religion and civilization, religious symbols also have different forms. is the symbol of Islam named star and crescent. It standard bright and perfect. is a special symbol. There are many ideas about the symbolic meaning of the Star of David. Some Kabbalists think that the six points represented Gods absolute rule over the universe in all six directions: north, south, east, west, up and down. They also believed that the triangles represented humanitys dual nature good and evil and that the star could be used as protection against evil spirits. The structure of the star, with two overlapping triangles, has also been thought to represent the relationship between God and the Jewish people. The star that points up symbolizes God and the star that points down represents us here on earth. Yet others have noticed that there are twelve sides on the triangle, perhaps representing the Twelve Tribes. Until now, people still have an absolute meaning of the Star of David . A lot of religious symbols have an obscure meaning. You can not only understand it by its structure or shape. For example, lamb in Christianity means the resurrection of Christ from the death. Can you say it means meekness and prettiness? Absolutely not! The connection of semiotics and religious symbols After the analysis of characteristics of semiotics and religious symbols, we can find that religious symbols have a much longer history than semiotics. But symbols as the research subject, we have analysis by the systematization of semiotics. Semiotics can explain the meaning of symbols by different aspects and draw a correct conclusion. Although symbols are a complex and changeable system, semiotics always gives us an rational sublimation. Symbol also accelerates the progress of semiotics. It is hard for me to find a suitable metaphor to describe the relationship between them. But I think if symbols is water, the semiotics must be fish. The fish can not live without water. Without fish the water will never be vibrant. IV.Conclusion Haviland said Religion can be seen as an organized series of supernatural powers belief or ceremonies.(William A. Haviland, 2005,p.392).Religious symbols are a part of our belief. Semiotics is a tool of investigation. It may be not consummate and comprehensive, but it has afforded us a direction to analysis our belief system. Also that is the point we need to work for. Modern semiotics is a new branch of knowledge. It has been neglect for a long time. Its popularity must take a brain-storm in research of symbols.

Sherlock Holmes & The Speckled Band / Lamb To The Slaughter Essay examp

Sherlock Holmes & The Speckled Band / Lamb To The Slaughter "Lamb to the slaughter", by Roald Dahl, and "The Speckled Band" by Arthur Conan Doyle share many features, despite the difference in eras in which they were written. Each story has its own distinctive style when creating both tension and an atmosphere of suspense. "The Speckled Band" has a sense of urgency about it, yet manages to build up suspense until the climax of the story. "I have reasons to know....which tend to make the matter even more terrible than the truth." This quote, found in the first paragraph, immediately begins creating an atmosphere for the story, and intriguing the reader as to what the narrator (Dr. Watson) is talking about. The reader will now want to continue reading to find out the truth. Doyle also uses other character's speech to add to the tension: "It is not cold which makes me shiver...it is fear, Mr. Holmes. It is terror." At this point, the events have not been explained - this character (Miss Stoner) describing how she is feeling inceases the tension, as the readers do not yet know the full situation; only that they should be scared of whatever it is. The use of the word "terror" helps to emphasise the point - 'fear' may not be strong enough, but following it with 'terror' helps to reinforce the situation to the reader. "You must not fear...we shall soon set matters right." As Sherlock Holmes says this, it may cast a doubt over the reader's mind - if a character issues a statement proclaiming that things will turn out well, there is a concept that the opposite may happen instead. All this further adds to the need to read more, as the reader will now want to see if Holmes is indeed correct. .. ...e author here also manages to end the story in a fitting manner, by having the investigating officers eat the murder weapon. The atmosphere and overall tone changes at the climax - from a serious murder story to a black comedy, using the line: "Personally, I think it's right here on the premises." "Probably right here under our very noses." The irony is that the men are being unknowingly correct - they are actually eating the leg of lamb used to kill one of their colleagues. The two stories also differ in the way they use sympathy. In "The Speckled Band", the audience is supposed to express sympathy towards the victim, Helen Stoner, and is expected to be against the killer, Dr. Roylott. In "Lamb To The Slaughter", it is written so that it appears the killer is actually the true victim - that she was driven to killing her husband by the man himself.

Lord of the Flies Response to Literature Essay

Every great society has strived and prospered due to the laws and principles the civilization has lived by. But when a society removes these principles that are laid out what could result? In The Lord of the Flies by William Golding, as a result of a terrible war a plane crashed landed, killing the pilots and leaving a small group of boys stranded on an island leaving the boys with no ascendancy. The groups of boys do well at the start when they establish an organized method to keep an ongoing signal fire going, problems soon arise as the kids begin to lose the liberation they had once practiced. As we scrutinize the Lord of The Flies and apply Freudians theory we can personify each of the three elements that make up his theory with the three main characters Jack, Ralph and Piggy that can also represent: the Id, the Ego and the Super Ego based on Freud’s Personality theory. The best well known psychoanalytic theory developed by Sigmund Freud, a Viennese physician, believed that the mind could be separated to three parts the Id, the Ego and the Super Ego. The Id is what we are born with it is the pleasure principle, representing what we desire at the moment in an unconscious state of mind without releasing the reality of the circumstances. In The Lord of the Flies the Id would symbolize Jack as he wants his ambitions met without thinking about their actual situation they are in. We can see this when Jack’s only interests is to go hunt and in his arbitrary choice he tells Samneric to leave their post to help kill the pig. This results in the fire burning out. The glorified Jack than returns to gasconade to Ralph of his accomplishment he tells him, â€Å"We got in a circle†¦Ã‚  We crept up†¦ The pig squealed† (Golding 69). He does not realize the significance of leaving the fire unattended; as his needs are met he could not see anything wrong with his actions. Although, in reality he has blown their chance of rescue as a boat had passed by but was unaware of their presence because the signal fire had gone out while Jack had told Samneric to help him. This impact Ralphs power as chief greatly as people than begin to doubt him and the group starts to split into two, but Ralph’s group leaves him as they go and eat with Jack’s group. Jack than gives the others a choice with his reasons being, â€Å"I gave you food and my hunters will protect you from the beast. Who will join my tribe? †(150). Jack only wants the power of being chief to satisfy himself and he try to do so by giving everyone a sense of hospitality when with his tribe, neglecting the fact the that Ralph has better intensions for the tribe than he does. This clarifies how Jack symbolizes the Id and can over powers the Ego, Ralph and the Super Ego Piggy because of how the Id is done in an unconscious state and only wants what it desires until it is pleased. Furthermore, Freud’s theory also consisted of the Ego which unlike the Id is aware of the reality and functions by the reality principle. The Ego can recognize on reality and is able to understand that behaviors have consequences. In the novel, Ralph takes the roll of the Ego as he is aware of the situation and organizes a plan to help try to keep the social rule that is necessary to live and survive. We see this when Ralph suggests new ideas, â€Å"‘If we have a signal going they’ll come and take us off. ’ ‘And another thing. ’ ‘We ought to have more rules. ’†(Golding 42). Ralph knew that they had to establish a form of trying to signal an outside source to have the chance of being rescued. Instead letting his desires take over he, strategized a plan where they would take turns watching the signal fire so it would not burn out. Even when the all the tribe left Ralph and he was left with Piggy and Samneric he knew that they had to warn them that you had to keep a fire going or they might never get rescued by ship. When he confronted Jack about it he told him, â€Å"Your only hope is keeping a signal fire going as long as there’s light to see. Then maybe a ship’ll notice the smoke and come and rescue us and take us home. † (178). Ralph’s intensions were only to help keep them safe and help them get rescued by coming up with a plan. This clearly shows how he is the Ego, when he makes decisions based on reality and thinks of the consequences when they are not followed. Although the Id over powers the Ego the Ego is more logical and would benefit more than the Id, as the Id only acts on pleasures. In addition, the Id and the Ego are very different in how they act the Ego and the Super Ego on the other hand works together. The Super Ego acts upon like an advisor for thoughts as well as actions that are carried by the Ego, which people also refer to as a conscience. The Super Ego can also act like the Id but when the demands aren’t met you have to suffer through guilt, but when are met it can make you feel pride. The Super Ego, in this case represents Piggy as he constantly advises Ralph in his actions that he is taking. For example, when they first meet at the beginning of the story Piggy tells him what to do with the conch, â€Å"We can use this to call the others. Have a meeting. They’ll come when they hear us. †(Golding 16). Piggy is the one that had the idea to try to rejoice everyone back together to meet and figure out a plan. He then lost most respect from everyone when they began to call him Piggy no one listen to him anymore even when he had good ideas to speak about. Piggy would also help Ralph realize what Jack would do and he wouldn’t, â€Å"I been in bed so much I done some thinking. I know about people. I know about me. And him. He can’t hurt you: but if you stand out of the way he’d hurt the next thing. And that’s me† (93). This displays Piggy’s effort in trying to help Ralph make decisions about Jack and what he is capable of. Without Piggy’s guidance as the Super Ego Ralph would not have been able to accomplish as much as he had done. Proving that Piggy served as Ralph’s Super Ego in judging Ralphs actions and plans. The Id, the Ego and the Super Ego all help to make the complex human personality. The Id, what makes us desire our pleasures unconsciously. The Ego helps us to adjust our Id to the situation to help us with a solution. And the Super Ego that acts like a censor for the actions of the Ego and thoughts. These three elements all resemble one of the main characters from The Lord of the Flies the Id is Jack who only wants his pleasures met, the Ego is Ralph who want to strategize a plan to help get rescued, And the Super Ego that resembles Piggy that helps to advise Ralph in his actions and plans. If these three characters acted together in the novel they would have lost the rules and laws from society like they did. They would have also been able to be rescued sooner than they did if the three characters would have worked together to make the society strong.

Sturge-Weber Syndrome Essays

Sturge-Weber Syndrome Essays Sturge-Weber Syndrome Essay Sturge-Weber Syndrome Essay Sturge–Weber Syndrome (SWS), also referred to as encephalotrigeminal angiomatosis, is a rare congenital neurological and skin disorder. It is often associated with port-wine stains of the face, glaucoma, seizures, mental retardation, and ipsilateralleptomeningeal angioma. It is characterized by abnormal blood vessels on the brain surface. Normally, only one side of the brain is affected. SWS is an embryonal developmental anomaly resulting from errors in mesodermal and ectodermal development. SWS occurs sporadically and does not have a hereditary etiology.It is caused by a somatic activating mutation occurring in the GNAQ (Guanine nucleotide-binding protein G(q) subunit alpha) gene. Historical and Neurobiological Aspects William Allen Sturge, (1850-1919) oIn 1879, case of 6 year old female: presented with good health until the age of 6 months. At this age she started experiencing twitching on the left side of her body, which in time increased in frequency and duration, as well as spread to the right side of her body. She also began losing consciousness during these episodes. The child had a mark on the right side of her face and head which was referred to as mother’s mark. The skin lesion involved the upper lip, nose, forehead, scalp, back of the neck, midline on the chin, upper part of the sternum, and extended as low as the third or fourth dorsal vertebra behind and the second costal cartilage in front. The lips, gums, tongue, roof of mouth, floor of mouth, uvula, and pharynx were all similarly affected on the right side. The right eye was larger (buphthalmos; congenital glaucoma) and the sclera, choroid and retina were all affected by a vascular malformation. In addition, a patch over the left eye, frontal and temporal regions.The mark was a deep purple color, with the color partially disappearing with firm pressure. ?Dr. Sturge termed this mark a port-wine. He had no proof but speculated that the patient’s neurological deficit was explained by a lesion that existed on the surface of the same side of the brain. ?In 1901, Siegfried Kalischer, German neurobiologist, provided pathological proof of such an association. Frederick Parkes Weber, (1863-1962) oIn 1922, Weber reported the first radiologic features of brain atrophy in the Sturge-Weber syndrome. ?X-ray findings showed intracranial calcifications Key Signs and Symptoms Characterized by congenital facial birthmark and neurological abnormalities oManifested at birth by port-wine stain on forehead and upper eyelid of one side of the face. ?The birthmark can vary in color from light pink to deep purple and is caused by an overabundance of capillaries around the ophthalmic branch of the trigeminal nerve. ?Malformation of blood vessels in the pia mater overlying the brain on the same side of the head as the birthmark. This causes calcification of tissue and loss of nerve cells in the cerebral cortex. Typically located on the back of the occipital region of brain on same side as birthmark. Neurological symptoms include: seizures begin at birth and worsen with age, muscle weakness or loss of use on side of body opposite of port wine stain, and development delay of motor and cognitive skills may occur to varying degrees. Other symptoms include eye and internal organ irregularities oGlaucoma (70%) and choroidal lesions (40%) oEnlarging of the eye (buphthalmos) in eye affected by stain Each case is unique and exhibits characterizing findings to varying degrees It can affect one side (in about 85%) or both sides (in about 15%) of the body or brain. There are 3 types of SWS: Type 1-Complete Trisymptomatic SWS: involves facial and leptomenigeal (brain) angiomas (vascular malformations) and may include glaucoma oSeizures and ocular involvement occur within first year of life oWhite portions of eye appear bloodshot due to over-proliferation of blood vessels oMental and physical development can be impaired to varying degrees depending on amount of vascular birthmark throughout the brain and eye Type 2-Incomplete Bisymptomatic SWS: involves facial angioma and possibility of glaucoma, with no evidence of intracranial disease oNo specific time-frame for exhibition of symptoms beyond initial appearance of port-w ine stain oThroughout lifespan issues may develop with glaucoma, cerebral blood flow abnormalities, headaches and various other complications Type 3-Incomplete Monosymptomatic SWS: involves a leptomenigeal angioma with no facial involvement and usually no development of glaucoma oCommonly referred to as forme fruste oIdentified through brain scans oOften confused with other diagnoses prior to brain scan with contrasting agent Diagnostic Criteria Diagnosis depends on: Facial port-wine birthmark combined with glaucoma, abnormal blood vessels in the brain, or both oNeurological, ophthalmological, dermatological, and other evaluations are recommended to make diagnosis and screen for other complications oEEG (seizures) and MRI imaging of the brain (with contrast) can diagnose brain involvement ? Other tests include: Skull radiography, angiography, CT scans, and functional imaging (SPECT or PET) Treatment Laser treatment to lighten or remove port-wine birthmark Anti-convulsants, VNS impla nts and brain surgery to control seizures Eye drops (commonly Latanoprost) or oral medications to control glaucoma oIf topical or oral medications are not effective, surgery would be the next step ? Goniotomy, trabeculectomy, tube-shunt, and trabeculotomy Physical therapy for muscle weakness Educational therapy for mental retardation or developmental delays CBT, Family Therapy and medications may be effective for behavioral, emotional and social issues References Pearce, J. M. S. (2006). Sturge–Weber syndrome (encephalotrigeminal or leptomeningeal angiomatosis). Journal of Neurology, Neurosurgery and Psychiatry, 77(11), 1291-1292. doi:10. 1136/jnnp. 2006. 096578 Rare Diseases Clinical Research Network. (2012). Sturge-Weber syndrome. Retrieved from http://rarediseasesnetwork. epi. usf. edu/BVMC/SWS/ The Hunter Nelson Sturge-Weber Center. (2012). Sturge-Weber syndrome. Retrieved from http://sturgeweber. kennedykrieger. org/index. jsp The Sturge-Weber Foundation. (2012). Sturge- Weber syndrome. Retrieved from sturge-weber. org/resources/about-sws/conditions/12-sturge-weber-sy