Exam 2 Sleep | PSY 312 - BRAIN AND BEHAVIOR, Quizzes of Psychology

Download Exam 2 Sleep | PSY 312 - BRAIN AND BEHAVIOR and more Quizzes Psychology in PDF only on Docsity! TERM 1 Hours of life sleep DEFINITION 1 135,000 hours of life spent as sleeping(1/3) TERM 2 studying sleep DEFINITION 2 in a sleep lab EEG - electroencephalogram TERM 3 EPSP DEFINITION 3 epsps of cortical neurons TERM 4 EMG DEFINITION 4 looking at muscle tone(usually electrodes in jaw) TERM 5 EOG DEFINITION 5 electrooculogram looking at eye movements (electrodes around eye) TERM 6 2 components of EEG DEFINITION 6 frequency of wave (#of peaks/unit time) tells you about the number of cortical nuerons generating EPSPs amplitude of the wave tells us about the Number of ESPS occuring at the same time number of neurons firing in sychrony TERM 7 slow wave sleep DEFINITION 7 parasympathetic NS seems to be predominate heart rate and bp decrease respiration decreases gastric motility increases person relaxed but still motor activity normal sleeper changes position every 20 minutes TERM 8 stages DEFINITION 8 stage 1 to stage 2 15 minutes stage 2 to stage 3 15 minutes stage 3 to stage 4 15 minutes stage 4 back to stage 3 15 minutes stage 3 to stage 2 15 minutes TERM 9 characteristics of REM DEFINITION 9 low amplitude -high frequency desynchronous EEG rapid eye movement narrative dreams muscle atonia (motor cortex) penile erections and vaginal secretions TERM 10 deepest stage DEFINITION 10 incorporate things into our dreams more likely to spontaneously awake TERM 21 REstless Legs DEFINITION 21 sufferes complain of uneasniess in legs that makes them not be able to sleep TERM 22 Narcolepsy DEFINITION 22 symptoms- uncontrollable reoccuring sleep during daytime usually during mundane tasks unusual sleep characterisitcs - short latency to REM, persistant muscle tone, excessive muscle twitching treatment - stimulants (caffeine) ; GHB gamma hydroxy butyrate TERM 23 genetics of narcolepsy DEFINITION 23 family history animal species TERM 24 Non REM sleep disorders DEFINITION 24 Enuresis sleep walking TERM 25 Brain regions involved in sleep DEFINITION 25 locus coerulus in hindbrain (NE transmitter) important for arousal TERM 26 What does it do during sleep DEFINITION 26 active when awake inhibited during sleep - particularly REM TERM 27 Acetycholine DEFINITION 27 in Pons important for REM onset poising causes people to go into REM sleep immediatley after falling asleep- very vivid dreams and nightmares TERM 28 PGO waves DEFINITION 28 Ponto-geniculo-occipital waves or PGO waves are phasic field potentials. TERM 29 Serotonin DEFINITION 29 Increases in trytophan -> increases in 5HT-> increases in drowsiness Raphe nuclei promotes sleep and reduces sleep TERM 30 norepinepherine DEFINITION 30 locus coeruleus promotes waking inhibits REM sleep abolish loss of muscle tone in REM sleep TERM 31 Acetylcholine DEFINITION 31 basal forebrain induces REM suppresses REM TERM 32 Theories of why we dream DEFINITION 32 circuits in brain become activated during REM sleep which causes areas of limbic system involved in emotions, sensations, and memories including amygdala and hippocampus to become active. Brain tries to find meaning to theses signals causing dreams TERM 33 Circadian Rhythm DEFINITION 33 A circadian rhythm is a roughly-24-hour cycle in the biochemical, physiological or behavioral processes of living entities. biological clock TERM 34 Brain Regions involved in cr DEFINITION 34 hypothalmus TERM 35 Zeitgeber DEFINITION 35 external cue that effects the circadian rhythm ex. light, temp