Chapter 4 Flashcards
consciousness
our awareness of ourselves and our environment
circadian rhythm
the biological clock; regular bodily rhythms that occur on a 24-hour cycle
parts of brain involved in consiousness
SCN, pineal, and pituitary gland
Purpose of sleep
physical restoration, cognitive restoration, memory consolidation, and protection
Sleep variations
optimal amount, melatonin, age, shift work
Stages of sleep cycle
stage 1- light level, stage 2- sound sleep, stage 3- deep sleep, stage 4- deepest stage of sleep
Effects of sleep deprivation
Diminished productivity, irritability, fatigue
Weight increase
Immune system suppression
Slows reaction time and increases errors
Major sleep disorders
Insomnia, Narcolepsy, Sleep Apnea, Night Terrors, Sleepwalking, Sleeptalking, restless leg syndrome, SIDS, REM sleep disorder
Purpose of dreaming
satisfy wishes, informative process, memories left, neural activity
Lucid dreaming
experience of becoming aware that one is dreaming
substance abuse/addiction and reasons for addiction
biological factors, psychological factors, social/cultural factors
Issues of studying drug abuse
dont always get honest results and depends on type of survey given (online or in person)
Basic types of drugs
stimulants (caffeine, cocaine, nicotine), depressents (alcohol, barbituates), opiates (heroin, oxy, fentaynl), hallucinogens (marijuana, LSD)
Hypnosis
helpful in pain relief, not accurate in recalling memories, vary in suggestibility
Meditation
various forms, lowers metabolism and HR, decreases blood lactate
