psychology chapter 9 - -alpha waves – when you’re...

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Chapter 9 – Consciousness and Attention -attention: examples of awareness -filtering process -selective inattention – info that could be relevant, but emotionally upsetting -three function -maintaining alertness (involves frontal lobes) -orienting (involves midbrain, thalamus, parietal lobe) -controlling behavior (involves frontal lobes) – thought, movement, self control -divided attention – having to do with multi-tasking -dichotic listening – study how well you multi-task Psychodynamic Perspective -3 mental stages -Conscious -subjective awareness -Preconscious -not presently conscious, but can be made conscious -Unconscious -inaccessible to consciousness Cognitive Perspective -Information processing-unconscious processes -unconscious cognitive processes -preconscious cognitive processes -consciousness of the self -hypnotic suggestion -dissociative disorders Stages of Sleep -EEG Waves -frequency of peaks per second -amplitude, or height of peaks -brain waves should become less frequent and with higher amplitude when you sleep -beta waves – when you’re alert
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Unformatted text preview: -alpha waves – when you’re relaxed Stages Stage 1:-short, Theta waves, no eye movement Stage 2:-EEG slows, sleep deepens, alpha activity appears Stage 3:-EEG slows, large, slow Delta waves Stage 4:-Delta waves are 50% REM Sleep:-After Stage 4, return to Stage 1 Psychological Perspectives on Dreams Psychodynamic Perspective-Freud thought dreams should be interpreted/translated-Unconscious processes are associative processes and associative thinking replaces logical though. “insanity of the night” Cognitive View of Dreams-cognitive constructions that reflect concerns-dreams can help in problem solving Biological View of Dreams-dreams are biology based without meaning Altered States of Consciousness-meditation-deep state of tranquility-alpha and beta waves-hypnosis-deep relaxation and suggestibility-not everyone can go into this state-drug induced states-psychoactive substances Sleep Disorders-insomnia-nightmares (REM cycle)-night terrors (Delta sleep)-sleep apnea -narcolepsy – randomly fall asleep...
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