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Chapter 6
Consciousness
25
Psychology
12th Grade
10/21/2009

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Term
construct
Definition
A concept requiring a belief in something that cannot be seen or touched but that seems to exist.
Term
consciousness
Definition
The awareness of, or the possibility of knowing, what is happening inside or outside the organism.
Term
subconscious
Definition
unconsciousness just below our present awareness.
Term
unconscious
Definition
Thoughts or desires about which we can have no direct knowledge.
Term
chronobiology
Definition
the study of forces that control the body at different times of the day, month, or year.
Term
biological clocks
Definition
Internal chemical units that control regular cycles in parts of the body. WE ARE ACTUALLY ON A 25 HOUR SYSTEM.
Term
free-running cycles
Definition
Cycles set up by biological clocks that are under their own control, ignoring the environment. (Internal temperature, kidneys)
Term
entrainment
Definition
The process of altering the free-running cycle to fit a different rhythm.
Term
circadian rhythm
Definition
Sequences of behavioral changes that occur every 24 hours.
Term
twilight state
Definition
Relaxed sleep just before we fall asleep.
Term
REM sleep
Definition
Rapid eye movement sleep when we dream. Stage 1 of sleep, a light sleep.
Term
beta waves
Definition
Rapid brain waves; appear when a person is awake.
Term
alpha waves
Definition
Stage 1, fairly relaxed brain waves occurring just before going to sleep.
Term
delta waves
Definition
Slow, lazy, deep-sleep brain waves.
Term
NREM sleep
Definition
non-rapid eye movement sleep; sleep involving partial thoughts, images, or stories; poor organization.
Term
nightmare
Definition
Frightening dream during REM.
Term
REM rebound
Definition
Increase in the number of dreams after being deprived of them.
Term
incubus attack
Definition
Also called a night terror; a horrible dream occurring during NREM when the body is not prepared for it.
Term
sleep walking
Definition
Caused by NREM sleep.
Term
insomnia
Definition
The inability to get enough sleep.
Term
narcolepsy
Definition
Disorder in which a person falls instantly into sleep no matter wha is going on in the environment.
Term
sleep apnea
Definition
Breathing stops while someone is asleep.
Term
hypnosis
Definition
A state of relaxation in which attention is focused on certain objects, acts, or feelings.
Term
trance
Definition
Another word for the state of deep relaxation that can occur during hypnosis.
Term
meditation
Definition
A form of self-control in which the outside world is cut off from consciousness.
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