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Lecture 1

PSYC 100 Lecture 1: PSYC week 7
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Department
Psychology
Course
PSYC 100
Professor
Jill L Atkinson
Semester
Fall

Description
PSYC week 7 • Dualism: the philosophical belief that reality consists of: mind and matter (body) • Monism: the view that only one kind of substance exists • Materialism: the philosophical belief that reality can be know only through an understanding of the physical world of which the mind is a part • Physicalism: the view that everything that exists is no more extensive than its physical properties • Global workspace theory of consciousness: proposes that the brain’s working memory is a global workplace that serves to integrate access, and coordinate the functioning of large numbers of specialized brain circuits. Cannot well explained --- just a cognitive model. • Neural correlates: minimum neuronal mechanics required to produce a specific conscious precept • Blind sight: the ability to interact behaviorally with objects while remaining consciously unware of them (damage of visual cortex or visual pathway) • Coma: a state of extreme unresponsiveness in which an individual exhibits no voluntary movement or discernible sleep-wake cycles - Can be a final stage of recovery • Vegetative state: describes a person who is awake and shoes sleep-wake cycles but shows no signs of being aware of himself or his environment. -The person is unable to interact with others and shoes no evidence of reproducible voluntary response to any kind of external stimulus -Recognizable sleep-wake cycles, their eyes are open when they are “wake” • Minimally conscious state: condition of severely altered consciousness where there is minimal evidence of any form of awareness. - Patients should show some evidence of reproducible voluntary behavior (responding to some simple command) • Severe consequences: - Coma can result in Brain Death: irreversible unconsciousness with complete loss of brain function - Coma resolves into Locked-in Syndrome: individual in fully conscious, but all the voluntary muscles of the body are completely paralyzed, possible exception of the muscles controlling eye movement • Contingency: the degree to which the occurrence of some event is predicted by another event • Restoration theory: sleep is essential for revitalizing and restoring the physiological progresses that keep the body and mind healthy and properly functioning - Allow the body and mind to recover from stresses • Preservation and protection theory: Sleep serves an adaptive function • Sleep is important for the Consolidation: conversion of info from short-term memory to long-term memory cells in the hippocampus are activated during learning and sleep • Electroencephalogram (EEG): measurement and graphical presentation of the electrical activity I the brain, recorded by means of electrodes attached to the skin • Sleeping brain waves: - Alpha activity (and beta): when people awake, neural activity tends to occur in alpha and beta frequency (highest-frequency/lowest in amplitude) When people become more relaxed, they exhibit (show) alpha activity • Five stages of sleep Stage 1~4 generally correspond to increasingly deeper sleep - Rapid eye movement (REM) st
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