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REVIEW OF LITERATURE A person wakes up in the morning brushes his teeth takes a shower puts on his clothes and starts his day What would happen if there werent such thing as memory People might not be able to get ready every morning to start their day Why Because memory allows people to remember what they have done or not done Memory is the ability to remember something that has been learned or experienced So without it people wouldnt be able to remember anything They might not brush their teeth because they wouldnt be able to remember how to do it when to do it or maybe wouldnt even remember if such thing existed In general everything will be new to them everything Scientists know a very little about what happens to the brain as it stores memory They are almost certain that it involves both chemical changes in the nerve cells of the brain and changes in their physical structure The chemical and physical changes occur in a section of the brain called the hippocampus when person stores new memories The hippocampus is a part of a larger structure of the brain called the cerebral cortex which controls more higher brain functions Human brains are very good at noticing patterns and they also store memories as patterns The brain follows a simple rule for making patterns so that it can file them away as memories The brain brings together the experiences that happen more or less at the same time Your brain stores pattern in a physical form To save declarative memory it creates new dendrites branches and new synapses and gets rid of the old ones There is a junction between nerve cells called synapses It is held in place by a special family of proteins called the cell-adhesion molecules which work like a Velcro to hold the two sides of the junction together Research shows that when new memories are
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