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Psychology (9,699)
PSYB65H3 (479)
Ted Petit (185)
Chapter 1

PSYB65 chapter 1.docx

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Ted Petit

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Chapter 1 The 10% myth is just a myth. Started with Flourens and Lashley where they damaged animal brains up to 90% and animals could still do basic functions and this was than generalized to hmans and popularized through famous individuals. However still a myth Psychology – study of behavior, and attempt to describe them explain and predict, or even change behavior Neuropsychology – study of relation between behavior and brain activity - Clinical neuropsychology – concerned with psychological assessment, management, and rehabilitation of neurological disease and injury - Experimental neuropsychology – how human behavior arises from brain activity, which includes explaining how patterns of behavioural impairments can be explained in terms of disruptions to damaged neural components. o Also called cognitive neuropsychology or cognitive neuroscience We study history because - It provides insights into development of science. Gives us info about what is left to discover - Illustrates many instances within discipline in which researchers were wrong about nature of brain-behavior relationships. - Empedocles was a philospopher. Believed heart was souroce of human behavior – cardiac/cardiocentrichypothesis - Aristotle thought heart was source of thought and sensation. Argued brain served as radiator cooling blood. (actually blood cools brain) and heart is not actual source of behaviour - Hippocrates and Galen said brain is responsible – cephalocentric hypothesis/brain hypothesis o But they were wrong about how it worked. Galen thought ventricles and cerebrospinal fluid = cognition) - Ancient people knew about the importance of brain. There’s been evidence of surgery performed through skull (trephination) - Early theories did not recognize brain for cognitive functions but for passive interpreter of signals Mind-body problem - Descartes presented a reflexive theory of control of behaviourin which he described the flow of animal spirits through valvules within nervous tissue filaments. Accounted for reflexes and involuntary behaviours but not voluntary behavior - Descrates believed voluntary behaviours depended on the rational decision making soul located in pineal gland. Only part of brain that doesn’t come in a pair. - Pineal surrounded b
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