4.Consciousness - * Important Notice Concerning Lecture...

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1 ** Important Notice Concerning Lecture Material ** This file includes most, but not all, overhead material presented in lecture (e.g., some material may be altered or addedinlasminute changes) added in last-minute changes). The best use of this file is to print it out and take notes on them during lectures. Æ WARNING: Perfect knowledge of this material will not guarantee an A in the course. That is, important details will 1.1 Introduction be presented in lecture but are not presented in this pdf file. Thus, it is very important that you attend lecture and discussion sections. Section 4: States of Consciousness • You sleep roughly 1/3 of your life • Advances in sleep research by analysis of electroencephalography (EEG) awake, attentive = asynchronous activity awake, nonattentive= more synchronous (alpha waves) 4. Brain & Consciousness
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2 EEG, Brain Activity and Stages of Sleep Spring 2006 • REM stage characterized by: ¾ asynchronous brain activity ¾ originates from pons ¾ rapid eye movements (REM) ¾ vivid dreaming (as if real event, progressive, bizarre) 4: Brain & Consciousness
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• REM sleep research findings: ¾ most everyone dreams, as shown by awakening during REM ¾ more time in REM before awakening, more vivid dreams ¾ memory for dreams often fleeting ¾ REM deprivation causes irritability, cognitive impairment ¾ REM rebound effect following REM deprivation Functions of Sleep • Functions of slow-wave sleep ¾ Restoration theory : muscles relaxed, metabolic, heart rate, general neural activity reduced (but not in REM). More sleep following greater physical activity (Shapiro et al, 1981 marathon study). 4: Brain & Consciousness
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This note was uploaded on 06/03/2008 for the course PSYCH 1 taught by Professor Shimamura during the Spring '08 term at University of California, Berkeley.

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4.Consciousness - * Important Notice Concerning Lecture...

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