PSY 201 Midterm: Key terms for midterm

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PSY 201
Dasa Zeithamova Demircan

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psych test #2 Study online at 7 1.absolute threshold: minimum stimulus necessary to detect a 25.fusiform face area: Part of brain dedicated to recognizing stimulus half of the time peoples faces; different patterns represent different people, 2.asleep: when a perceptual wall between the conscious mind different neurons doing different things, but over time start and the outside world emerges, and we are in a state that is working together(this is learning) immediately reversible called 26.ganglion cells: their axons make up the optic nerve that sends visual impulses to the lateral geniculate nucleus in the 3.aspects of attention: selectivity, capacity limitation, sustained mental effort thalamus 4.benefits of sensory adaptation: freedom to focus on 27.hemineglect: common and disabling condition following brain damage in which patients fail to be aware of items to one informative changes without uninformative background stimulation side of space. 28.importance of sleep: memory, protection, restoration, growth 5.blind spot: area of retina in which the ganglion cell axons depart the eye along the optic nerve, crowding out any 29.inattentional blindness: failure to see visible objects when photoreceptors attention is directed elsewhere 6.bottom-up: physical stimulus 30.intentionality: consciousness is about something 7.change blindness: failure to notice changes in the environment 31.knowledge: top down 8.circadian rhythms: variation in physiological processes that 32.l- cones: red cones cycle within a day (alertness, body temp, melatonin 33.light energy: hue, wavelength, intensity production, daily sleep cycles) 34.lock-in syndrom: full consciousness but no way of 9.circadian rhythms: maintained in suprachiasmatic nucleus and communicating is stimulated by light input to retina 35.m-cones: green cones 10."club drugs": synthetic stimulants/hallucinogens used at 36.memory: different types of memories reinforces during dance clubs, dopamine, norepinephrine, serotonin (ecstasy) different sleep stages. 11cocktail-party effect: tuning in one message while filtering out 37.minimally conscious state: if a person in a coma shows some others nearby evidence of being aware of her surroundings 12.colin cherry's experiment: two inputs but can only focus on one input at a time 38.minimally conscious state: deliberate movement and communication are possible 13.colorblindness: inability to perceive color, most common red- 39.natural variations in levels of consciousness: sleep/wake green missing one type of cones, most common in men cycle, day dreaming, automatic tasks (driving and walking), 14.color perception: corresponds to the summed activity of the selective attention three types of cones 40.opiates: depress neural activity, relieve pain, produce feelings 15.cones: concentrated at fovea, sensitive to color, rapid of euphoria (opium, morphine, heroin, prescription painkillers) response to light, functional in bright light 41.optic ataxia: damage to the parietal lobe disrupts where 16.Consciousness: ongoing stream of mental activity according visual processing to William James. Made up of subjective experience, self- 42.parahippocampal place area: An area in the temporal lobe awareness, and awareness of the world. that contains neurons that are selectively activated by 17.depressants: reduce neural activity and slow body functions pictures of indoor and outdoor scenes. via GABA (alcohol, barbiturates, inhalants, and tranquilizers) 43.parietal lobe lesion: leads to problems with landmark 18.difference threshold: the smallest detectable diffrence localization between two stimuli 44.perception: brain's interpretation of those messages (taxi 19.disparity: the difference in the images of the two eyes, caused blaring its horn as it narrowly misses you). our interpretation by the eyes' slightly different locations in space and conscious experience of the stimuli, bottom-up and top- 20.dorsal str
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