| A | B |
|---|
| Conscious level | level at which people are aware of something & of their awareness |
| Preconscious level | material outside of your awareness but can be brought into awareness |
| Unconscious (subconscious) | information that is hidden; mental activity that influences consciuosness but it is not conscious |
| stage 1 -4 sleep | quiet sleep; also known an non-REM |
| stage 4 sleep | deepest stage of sleep, heartrate & breathing slow & regular |
| stage 1 sleep | lightest sleep stage |
| REM sleep | rapid eye movement; activity sleep |
| dreams | mental activity that takes place during REM sleep |
| activiation sysnthesis theory | sees dreams as the meaningless random by-products of REM sleep. Brain attemps to make sense of meaningless stimulation during sleep |
| insomia | sleep disorder characterized by difficulty falling or staying asleep |
| Narcolepsy | daytime disorder when a person makes an abrupt switch from active waking into a few min of REM sleep |
| sleep apnea | symptoms include briefly stop breathing hundreds oftime every night & daytime fatigue |
| SIDS | when a sleep baby stops breathing & dies |
| Nightmares | frightening REM dreams |
| Night Terrors | horrific dream images that occur during stage 3 or 4 sleep |
| REM behavior disorder | the near paralysis that normally accompanies REM sleep is absent so the sleeper acts out their dreams |
| drugs | dangerous & sometimes illegal substances |
| addiction | psychological or physiological dependence on a drug |
| physiological dependence | the body develops a chemical need for a drug; determined when a person experiences tolerance & withdrawal |
| withdrawal | intense physical craving for the drug |
| tolerance | condition in which increasingly larger drug doeses are needed to produce the same effect |
| psychological dependence | a person believes a drug is needed in order to feel good or function normally |
| depressants | drugs that reduce activity in the CNS |
| examples of depressants | alcohol & barbiturates |
| stimulants | drugs that increase the action of the CNS |
| examples of stimulants | caffeine, cocaine, crack, amphetamines |
| example of a designer drug | MDMA (ectasy) |
| drug that is a combination of stimulant & halucinogen | MDMA (ectasy) |
| examples of narcotics / opiates | opiates, morphine, heroine, codeine |
| examples of hallucinogens | LSD, PCP |
| this drug comes from the cannabis sativa plant | marijuana |
| THC | the active chemical in marijuana |
| GHB | depressant grouped in the "date-rape" drug catagory |
| rohypnol | depressant known as the date-rape drug |
| delusion | a false belief |
| hallucination | a sensory experience in the absence of external stimuli |
| alpha waves | brain waves seen when you are in a relaxed, drowsy state |
| beta waves | brain waves seen when you are awake and alert |
| delta waves | brain waves seen in deep sleep, infants or adults with brain damage |
| theta waves | brain waves seen during emotional stress and in people in light sleep |
