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Chapter 5 - Body Rhythms and Mental States
Circadian Rhythms, Sleep, Dreams, and Hypnosis
34
Psychology
Undergraduate 1
11/01/2010

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Term
Withdrawal
Definition
Physical and psychological symptoms that occur when someone addicted to a drug stops taking it
Term
Tolerance
Definition
Increased resistance to a drug's effects accompanying continued use
Term
Suprachinasmatic Nucleus (SCN)
Definition
An area of the brain containing a biological clock that governs circadian rhythms
Term
Stimulants
Definition
Drugs that speed up the activity in the central nervous system
Term
Sociocognative Explanation of Hypnosis
Definition
The effects of hypnosis result from an interaction between the social influence of the hypnotist (the "socio" part) and the abilities, beliefs, and expectations of the subject (the "cognitive" part)
Term
Sleep Spindels
Definition
short bursts of rapid, high-peaking brain waves
Term
Sleep Apnea
Definition
A disorder in which breathing briefly stops during sleep, causing the person to choke and gasp and momentarily awaken
Term
Seasonal Affective Disorder (SAD)
Definition
A controversial disorder in which a person experiences depression during the winter and an improvement in mood in the spring
Term
REM sleep
Definition
Sleep periods characterized by eye movement, loss of muscle tone, and dreaming
Term
Psychoactive Drug
Definition
A drug capable of influencing perception, mood, cognition, or behavior
Term
Psychedelic Drug
Definition
Consciousness-altering drugs that produce hallucinations, change thought processes, or disrupt the normal perception of time and space
Term
Problem-Focused Approach to Dreams
Definition
An explanation in which the symbols and metaphors in a dream do not disguise it's true meaning, they convey it
Term
"Prementrual Syndrome" (PMS)
Definition
A vague cluster of physical and emotional symptoms - including fatigue, headache, irritability, and depression - associated with the days preceding menstruation that came to be thought of as an illness and was given a label
Term
Opiates
Definition
Drugs, derived from the opium poppy, that relieve pain and commonly produce euphoria
Term
non-REM sleep (NREM)
Definition
Sleep periods characterized by fewer eye movements than in REM sleep
Term
Narcolepsy
Definition
A sleep disorder involving sudden and unpredictable daytime attacks of sleepiness or lapses into REM sleep
Term
Manifest Content
Definition
The aspects of a dream that we consciously experience during sleep and may remember upon waking
Term
Lucid Dream
Definition
A dream in which the dreamer is aware of dreaming
Term
Latent Content
Definition
The aspects of a dream that are unconscious wishes and thoughts being expressed symbolically
Term
Internal Desynchronization
Definition
A state in which biological rhythms are not in phase (synchronized)with one another
Term
Hypnosis
Definition
A procedure in which the practitioner suggests changes in the sensations, perceptions, thoughts, feeling, or behavior of the participant
Term
Hidden Observer
Definition
According to Hilgard, in many hypnotized persons, one part of the mind that is watching but not participating while most of the mind is subject to hypnotic suggestion
Term
Entertainment
Definition
The synchronization of biological rhythms with external cues such as fluctuations in daylight
Term
Endogenous
Definition
Generated from within rather than from external cues
Term
Dissociation
Definition
A split in consciousness in which one part of the mind operates independently of others
Term
Depressants
Definition
Drugs that slow activity in central nervous system
Term
Delta Waves
Definition
Very slow brain waves with very high peaks
Term
Consolidation
Definition
A process by which the synaptic changes associated with recently stored memories become durable and stable, causing memory to become more reliable
Term
Consciousness
Definition
Awareness of oneself and the environment
Term
Circadian Rhythm
Definition
A biological rhythm with a period of about 24 hours; from the Latin word circa "about" and dies "a day"
Term
Biological Rhythm
Definition
A periodic , more or less regular fluctuation in biological system; it may or may not have psychological implications
Term
Anabolic Steroids
Definition
Synthetic derivatives of testosterone that are taken in pill form or by injection, to increase muscle mass and strength
Term
Alpha Waves
Definition
On an EEG recording, alpha waves have a regular, slow rhythm and high amplitude (height)
Term
Activation-Synthesis Theory
Definition
The theory that dreaming results from the cortical synthesis and interpretation of neural signals triggered by activity in the lower parts of the brain
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