Chapter 4 Flashcards
is your awareness of yourself and your surroundings.
Consciousness
the 24-hour cycle on which your brain and body function
Circadian rhythm
is the stage of sleep in which intense brain activity and vivid dreams are most likely to occur.
is any sleep other than blank sleep, when rapid eye movement, intense brain activity, and dreams are unlikely to occur.
Stages of sleep (1.non-REM sleep and2. REM sleep)
is a sleep disorder featuring consistent difficulty falling asleep, staying asleep, or achieving high-quality sleep.
Insomnia
Is a disorder of “sleep attacks” characterized by immediate and unexpected shifts from wakefulness to REM sleep.
narcolepsy
is a sleep disorder caused by interruptions of breathing that cause repeated waking.
sleep apnea
A theory that dreams revealed the unconscious mind, particularly deep-down wishes of which you are largely unaware while awake.
Freud’s theory of dreaming
dreams are caused by the physiological processes of the brain.
Activation-synthesis hypothesis
is an altered state of consciousness in which one person, the participant, becomes very suggestible to another person, the hypnotist
Hypnosis
are substances that alter mental functioning.
Psychoactive drugs
decreased effectiveness of a particular amount of a drug and stressful and uncomfortable symptoms caused by discontinuing a drug that had become habitual.
Tolerance and withdrawal
is a bodily need for a particular drug in order to function normally
Physical dependence
is a mental need for a particular drug in order to function normally.
psychological dependence
are drugs that slow bodily functions. One subset of depressants, benzodiazepines,reduce nervousness and are often prescribed for problems relating to anxiety or insomnia.enhance relaxation
depressants
are drugs that speed up bodily functions. One of the best-known, and perhaps the most addictive, is cocaine, which is typically taken in powder or solid forms (“crack”).
stimulants