Consciousness
Terms
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- Activation-synthesis
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An account which holds that dreams may reflect the brain’s aroused state during REM sleep, when the cerebral cortex is active but shut off from sensory input
- Anticonvulsants
- Drugs used to prevent seizures
- Antidepressants
- drugs that stimulate the mood to lesson depression
- Antipsychotics
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a group of drugs used to treat psychosis
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Central Sleep Apnea
- the brain's control centers "forget" to breathe during sleep. The sleeper stops breathing, and then starts again. There is no effort made to breathe during the pause in breathing: there are no chest movements and no struggling, just stillnes
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Influences on drug use
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- Nature of the drug
- Biological factors
- Psychological factors
- Cultural or social factors
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Information Processing
- The modelling of sensory input and cognitive transformations as a series of processing stages
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Mood Stabilizers
- psychiatric medications used in the treatment of mood disorders characterised by rapid and unstable mood shifts
- Obstructive Sleep Apnea
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Airway is physically obstructed, interfering with breathing
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Psychoactive drugs
- medications that have an effect on emotion, cognition, or behavior
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Psychotropic drugs
- medications prescribed for the intent of having an effect on emotion, cognition, or behavior
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REM Rebound
- When a person is deprived of REM sleep, the next time they sleep they will spend more time in REM sleep than usual.
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Stage 1
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- Lasts up to 5 minutes
- On an EEG machine, this phase is noted by alpha waves
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Stage 2
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- Lasts up to 20 minutes
- On an EEG machine, this phase is noted by sleep spindles or rapid rhythmic brain activity
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Stages 3 and 4
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- Transitional stage leading to Stage 4
- These phases last 30 minutes and on an EEG machine are recorded as delta waves or slow-wave sleep
- Stage 4 occurs early in sleep
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Tolerance and Withdrawal
- If the original stimulus is maintained, there is an attenuation of the emotional state one is in; if it is withdrawn, the opponent process reveals itself, and the emotional state swings sharply in the opposite direction