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25 terms

Psychology Chapter 7 Test Review

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Hallucinations
a false sensory perception that has no direct external cause
Consciousness
an individual's state of awareness, including a person's feelings, sensations, ideas, and perceptions
Circadian rhythm
a regular sequence of biological processes such as temperature and sleep that occurs every 24 hours
Hypnosis
a state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility
Trance
state in which participants become highly receptive and responsive to certain internal and external stimuli
Meditation
a systermatic narrowing of attention on an image, thought, bodily process, or external object with the goal of clearing one's mind and producing relaxation
Biofeedback (definition)
the process of learning to learning to control bodily states by monitoring th estates to be controlled
Biofeedback (uses)
teach people to control physiological responses, including: brain waves, blood pressure, sweat gland activity, heart rate, skin temperature, muscular control, relaxing techniques
Hypnotic analgesia
a reduction of pain reported by patients after undergoing hypnosis
LSD (lysergic acid diethylamide)
an extremely potent psychedelic drug that produces...
Opiates (morphine, heroin)
decrease pain, decrease attention to real world, unpleasant withdrawal effects as drug's effect wears off
Cannabis sativa (weed, Indian hemp)
active ingredient in marijuana
EEG (electroencephalograph)
a machine used to record the electrical activity of huge portions of the brain
Francis Crick
(theory of purpose of dreams): the brain's way of removing certain unneeded memories (form of mental housekeeping for unnecessary details)
Nathaniel Keitman
(theory of dreaming): "may serve no function whatsoever", unimportant result of stimulating certain brain cells during sleep
Franz Anton Mesmer
first person to study and practice hypnosis/"mesmerism" and "animal magnetism"
Delta waves
brain wave pattern associated with absence of concentrated thought and relaxation
Psychological dependence on drugs/alcohol
without the drug, the person is restless, irritable, uneasy, nervous, and anxious
Physical dependence on drugs/alcohol
person could go into withdrawal since the body is addicted to the drug and needs an increased dosage to get the next high
REM sleep
irregular pulse rate and breathing, dreaming, build efficient learning and memory processes
Stage I Sleep
pulse slows, muscles relax, uneven breathing, irregular brain waves
Stage II Sleep
high-amplitude, low-frequency waves pattern, eyes roll slowly side to side
Stage III Sleep
large-amplitude delta waves approx. every second
Stage IV Sleep
deep sleep, large regular delta waves (usually)
Sleepwalking problems
stress, fatique, use of sedative medicines, heredity