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PSY 478: Midterm Study Guide

by: Taylor Russell

PSY 478: Midterm Study Guide PSY 478

Marketplace > University of Arizona > Psychlogy > PSY 478 > PSY 478 Midterm Study Guide
Taylor Russell
GPA 3.7

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Midterm Exam Study Guide
Sleep and Sleep Disorders
Dr. Peck
Study Guide
Psychology, neuroscience, sleep, Sleep Disorders
50 ?




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This 3 page Study Guide was uploaded by Taylor Russell on Tuesday February 9, 2016. The Study Guide belongs to PSY 478 at University of Arizona taught by Dr. Peck in Spring 2016. Since its upload, it has received 53 views. For similar materials see Sleep and Sleep Disorders in Psychlogy at University of Arizona.


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Date Created: 02/09/16
PSY 478 Midterm Study Guide Lecture 1 Definitions: Sleep- perceptually disengaged, unresponsive to external environment, postural recumbence, and behavioral acquiescence Action potential- Signal measured in EEG, neurophysio response to Potassium and Sodium Ion channels experiencing ion influx/efflux, shows neuronal activity EEG- electroencephalogram measures brain activity EOG-measures eye movement EMG-measures muscle movement REM- rapid eye movement, stage in sleep where dreams occur, more frequent and longer periods earlier in sleep cycle Artifact- anything picked up in the EEG that is not a intended measure, such as extraneous sounds in the room, reference electrodes on bone to compare activity with stability Stages Slowest to Fastest (Delta  Theta  Alpha  Sigma  Beta  Gamma) N1 N2- Theta, k complex, sleep spindle N3- earlier in sleep cycle REM- alpha waves Lecture 2 Definitions: Circadian rhythm- biological rhythm of day and night, Ultradian (shorter than a day) Infradian (longer than a day) Zeitgeber-cues that entrain circadian rhythm, give hint to what time of day it is Homeostasis- body’s way of keeping balance in terms of physiology (temperature to glucose level relationship) Substrates and drugs Hypnogenic Molecule- Regulator molecules such as Adenosine (inhibitory) Cortisol- stress hormone, plays role in sleep/ wake, highest levels at night Melatonin- hormone causing sleepiness, effects suprachiasmatic nucleus (part of brain that regulates internal clock) hormone of darkness Modafinil-wakefulness drug Theophylline-stimulant, found in chocolate Coffee- caffeine works on adenosine receptors Disorders Delayed sleep phase syndrome-delayed clock Advanced sleep phase syndrome- advanced clock Jet lag disorder Shift work disorder-late shift shifts your clock Free running-lack of exposure and light cues Lecture 3 Definitions: Consciousness- luminous capacity for knowing Neurophenomenology- Phenomenal consciousness vs access consciousness Circular Causality- thinking pattern in which the end result can be the beginning stage (exemli gratia: which came first the chicken or they egg?) Matter-organic property that constitutes the mind Panpsychism- everything is consciousness, however there are different levels of consciousness Stages Coma Anesthesia Sleep Awake Hyperactive/ Flow Mystical-altered by drugs, spontaneous, meditation, damage Lecture 4 Definitions: Hypnogogic state- leading into sleep Hypnopompic state- leading away from sleep, often accompanied by distortion of reality Hypnogogic experience- flashing light and color, dreams, floating scenery, occurs in N1 and N2, loose boundaries, emotions, Delta waves are signature Freud- said that there is a condensation then displacement in dreams, symbols are concrete Jung-symbols are universal; psychologists can interpret symbols of a dream, understanding them can enhance spirituality Activation-Synthesis Hypothesis- cerebral cortex receive signals that it tries to interpret the signals are random firing from the pons Problem-Solving theory- dreams are an abstract way to approach an issue in conscious life (dreams can help those recover from experiences such as a divorce) Lecture 5 Definitions: Lucid dreaming- becoming aware that you are dreaming while dreaming, sometimes you are able to exercise control (conjuring), it involves insight, logical thought, access to memory, and a accurate representation of time Factors that contribute to lucid dreaming- age, education, wealth, meditation Tonic REM- high EEG activity, no eye movement Nightmares- bad dreams, can be caused by a number of reasons including PTSD, real life issues that need working through Image rehearsal therapy- can help re-enact nightmares and lessen frequency Dream sign- sign that is common to your dreamscape MILD-Mnemonic Induction of Lucid Dreaming, involves practicing intention, trying to place yourself in a dream you’ve already had, using hypnogogic imagery Novadream-device used to induce lucid dreaming Lecture 6 Definitions: Sleep deprivation- lack of sleep Multiple Sleep Latency Test- measures 20-minute intervals in which you try to fall asleep Multiple Wakefulness Test- measures waking every 40 minutes for a 2- hour period Psychomotor Vigilance Test- measures click response to visual stimulus Brain substrates Ghrelin- hunger hormone increases with sleep deprivation Leptin-satiety hormone Glucose- has a circadian component, too much produces too much insulin, increased with sleep deprivation


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