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by: Naomi Ama Baidoo


Naomi Ama Baidoo

MacAulay, Andrea

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About this Document

chapter 2- the brain
MacAulay, Andrea
Psychology; the brain
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This 2 page Reader was uploaded by Naomi Ama Baidoo on Wednesday July 2, 2014. The Reader belongs to a course at University of Massachusetts taught by a professor in Fall. Since its upload, it has received 64 views.


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Date Created: 07/02/14
Psychology 101 By NaomiABaidoo Brain There are five principals regarding how the brain functions 0 Each part of the brain has specific functions 0 The brain is organized from a top down manner topographically organized 0 Within each part of the brain the simple cells communicate with the complex cells hierarchically organized 0 The brain is contralateral the right side controls the left side while the left side controls the right side Three Divisions of the Brain 0 Hind Brain It is at the back of the brain which helps us survive It consist of the Medulla Medulla Contains ones respiratory center controls heat rate blood circulation vomiting swallowing and yarning Pons It is above the Medulla which connects the two sides of the brain It is important for sleep and arousal Cerebellum It is above the Pons It controls motor coordination movement Too much drinking affects the Cerebellum 0 Mid Brain It is the smallest region of the brain It consist of the Reticular Formation Reticular Formation A bunch of structures that controls the level of arousal and alertness They are set of structures that helps one recognize things that are familiar 0 Fore Brain It is the most sophisticated part of the brain It consist of the Corpus Callosum Corpus Callosum Divides the left and right sides of the brain which communicates back and forth Cerebral Cortex Helps with organization and creative thinking It does most complex process in the brain Limbic System Helps with emotional responses The Limbic System consist of the Amygdala and Hippocampus Amygdala Helps process fear and aggression it also process odor and smells Hippocampus Stores most the memory Hint A Hippo never forgets Thalamus Part of the forebrain It takes messages and transfers them to another part of the brain from the sensory neurons and transfers it up to the cerebral cortex which directs the messages to the correct places Basal Ganglia A group of structure that are near the thalamus They are involved in slow voluntary movement Four Types of Lobes Frontal Lobe It is the biggest part of the brain which contains fifty percent of the volume of the brain It is the executive or the boss It is responsible for language movement reasoning planning problem solving and personality It is also related to movement Parietal Lobe Up top behind the frontal lobe It is responsible for sensations coordination and confusion Somatosensory Strip it is between the parietal and frontal lobe It regulates sensations and motor functions together When damaged ones became confuse of Where they are Temporal Lobe At the temple It process auditory information and the meaning of speech When damaged one can talk but would not be able to understand when another person talks back to them Occipital Lobe Back of the brain It process visual information and has specialized cells that helps one see part of a thing If there is a trauma one can have Visual Agnosia When one can see something but cannot recognize it Vocabulary Aphasia When one loses their ability to speak or to understand Written or spoken language About forty percent of people who have stroke have this Non uent Aphasia When one cannot speak but understand Fluent Aphasia When one can speak but cannot understand Apraxia When damage to the right hemisphere affects ones motor coordination it results in difficulty in speaking clearly trouble moving in a coordinated Way speech drawing Writing and dressing of one s self Prosody The inability to express emotion due to brain damage in the right hemisphere


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