Psych Ch. 3
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This 2 page Class Notes was uploaded by Kristen Pruett on Friday February 26, 2016. The Class Notes belongs to Psych100 at University of Delaware taught by Kristen Begosh in Winter 2016. Since its upload, it has received 30 views. For similar materials see General Psychology in Psychlogy at University of Delaware.
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Date Created: 02/26/16
2/22 Consciousness and the TwoTrack Mind Brain States and Consciousness Defining consciousness: our awareness of ourselves and our environment some states occur spontaneously: daydreaming, drowsiness, dreaming some are physiologically induced: hallucinations, orgasm, food or oxygen starvation some are psychologically induced: sensory deprivation, hypnosis, meditation The Biology of Consciousness cognitive neuroscience: study of connection between brain activity and cognitive processes (e.g. perception, thinking, language, memory) evidence of consciousness when when lack ability to communicate (for instance a person in a coma) but how do neural impulses translate to consciousness? Biology of Consciousness Dual processing: The TwoTrack Mind dual processing: we evaluate our environment both consciously and unconsciously unconsciously: color, motion, form, depth consciously: I see a bird Blindsight: respond to visual stimulus without consciously experiencing it ex. if you say “imagine picking up a basketball” you wouldn’t put out two fingers to grab it as if it were as small as a golf ball, you would use both hands and vise versa “Broken” visual perception track (i.e ventral pathway) ventral or “what” stream can see and recognize objects but difficulty pouting toward or grasping “Broken” visual action track (i.e dorsal pathway) dorsal or “where” stream Unconscious: works in parallel Conscious: sequential and deliberate 2/24 Selective Attention focus conscious awareness on a particular stimulus cocktail party effect can ignore all other incoming information, but become aware of own name accidents when engaged in task, blink less cost involved in shifting attention no such thing as multitasking no significant difference in accident risk between handheld and handsfree devices Selective Inattention inattentional blindness failing to see visible objects when our attention is directed elsewhere change blindness failing to notice changes in the environment watching a video of people passing basketballs and not noticing a gorilla walk by
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