Psych Quiz 3

Psych Quiz 3 - Psych Quiz 3 Waking Consciousness: our...

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Psych Quiz 3 Waking Consciousness: our awareness of our environment and ourselves Sleep and Dreams - Biological rhythms: periodic physiological functions - Circadian rhythms: the biological clock o Regular bodily rhythms, such as of wakefulness and body temperature, that occur on a 24 hour cycle - REM (rapid eye movement) sleep o Recurring sleep stage o Vivid dreams o “Paradoxical sleep”: muscles are generally relaxed, but other body systems are active - Sleep: periodic, natural, reversible loss of consciousness Brain Waves and Sleep Stages - Alpha Waves: slow waves of a relaxed, awake brain - Delta Waves: large, slow waves of deep sleep - Hallucinations: false sensory experiences - Stage 1 Sleep: mostly alpha waves - Stage 2 Sleep: easy to wave from, delta waves and spindles (short bursts of activity) - Stage 3 Sleep: harder to wake from, deep sleep, jolt when woken up - Stage 4 Sleep: mostly delta waves, very difficult to wave from, last a short time Sleep Deprivation - Effects of sleep loss: fatigue, impaired concentration, depressed immune system, great vulnerability to accidents - REM rebound: REM sleep increases following REM sleep deprivation Sleep Disorders - Insomnia: persistent problems in falling or staying asleep
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- Narcolepsy: uncontrollable sleep attacks - Sleep Apnea: temporary cessation of breathing during sleep o Momentary reawakening Night terrors and Nightmares - Night terrors: occur within 2 or 3 hours of falling asleep, usually during stage 4 o High arousal: appearance of being terrified o Seldom remembered Dreams: Freud - Dreams: sequence of images, emotions, and thoughts passing through a sleeping person’s mind o Hallucinating imagery (completely against reality) o Discontinuities o Incongruities o Delusional acceptance of the content - Sigmund Freud: The Interpretation of Dreams o Wish fulfillment o Discharge otherwise unacceptable feelings - Manifest content: remembered storyline (what you can recall) - Latent content: underlying meaning (what dreams mean) - As information processing: helps facilitate memories - As physiological function: periodic brain stimulation Drugs and Consciousness - Psychoactive Drug: a chemical substance that alters perceptions and mood - Physical Dependence: physiological needs for a drug o Marked by unpleasant withdrawal symptoms - Psychological Dependence: a psychological need to use a drug
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o For example: to relieve negative emotions Dependence and Addiction - Tolerance: diminishing effect with regular use - Withdrawal: discomfort and distress that follow discontinued use
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This test prep was uploaded on 04/07/2008 for the course PSY 101 taught by Professor Ricci during the Spring '08 term at Northeastern.

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Psych Quiz 3 - Psych Quiz 3 Waking Consciousness: our...

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