PSYCH 2004 Lecture 6

PSYCH 2004 Lecture 6 - I. 4 Themes About the Cerebral...

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I. 4 Themes About the Cerebral Cortex II. Development As Combination of Predisposition and Environment A. The Outdated Nature-Nurture Controversy B. Illustrations of Biological and Environmental Causes---Clinical Disorders 1. Alcoholism 2. Depression 3. Schizophrenia
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Other Notes on Cerebral Cortex: 1) A LOT OF IT, in humans, is devoted to integrating 2) A LOT OF IT helps us to INHIBIT inappropriate responses. 3) It is very adaptable, ‘plastic’, especially when young. 4) It has 2 hemispheres, left and right, with SOME specialization of function.
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1) In humans, about ¾ of cortical mass is Association area --- deciphering/integrating current information and deciding what to do about it. from www.cerebromente.org.br/ n05/opiniao/fig3.gif
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1) In humans, about ¾ of cortical mass is Association area --- deciphering/integrating current information and deciding what to do about it. This is kind of what sets us apart… a rhesus monkey’s cortex would look pretty similar. But a cat, or a rat, would have MUCH greater proportion of sensory and motor (depicted as red and black); also the cortex would be smoother, fewer grooves.
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The skull of Phineas Gage. Image courtesy of the National Library of Medicine, History of Medicine Collection 2) Our brains, esp. our frontal lobes, help us inhibit behavior.
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PHINEAS GAGE Accident in 1848 damaged pathways between his limbic system and frontal cortex . He survived, but his personality was altered.
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This note was uploaded on 03/30/2008 for the course PSYC 2004 taught by Professor Dmharris during the Spring '06 term at Virginia Tech.

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PSYCH 2004 Lecture 6 - I. 4 Themes About the Cerebral...

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