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1 of 7 Name: kaylin tokuda Class: Psy-402 Date: feb 16 Topic 4.1 Cognitive Attention 1) Attention a) A concentration of mental activity that allows a person to take in a limited portion of a vast stream of information from sensation and memory b) operations involved when we select for further processing a limited subset of information from the total information available to us from our sensory systems and stored mental representations c) Behaviorists did not study attention as it was a covert behavior 2) Common Terms a) Arousal i) Global physiological and psychological state of an organism ii) level or arousal ranges from hyperaroused to comatose b) Orienting i) Process of directing one’s attention to a specific external stimulus c) Vigilance i) The ability to maintain concentrated attention over prolonged periods of time d) Selective Attention i) Ability to prioritize some things while ignoring others e) Bálint’s Syndrome i) Severe distrubrance in visual attention and awareness ii) patients can only perceive one object at a time f) Neglect i) Involuntary failure to attend to sensory stimuli presented on the side of space opposite to the site of brain injury ii) occurs in the absence of sensory problems g) Extinction
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2 of 7 i) Impairment in the ability to perceive multiple stimuli of the same type simultaneously ii) stimuli on the side opposite of the brain injury are most likely to go extinct h) Voluntary and Reflexive attention i) Attention can be divided into two broad categories (1) Voluntary (a) A person’s ability to intentionally attend to something (2) Reflexive (a) A bottom up stimulus driven process in which a sensory event captures a person’s attention 3) Divides attention and multitasking a) Divided attention i) When a person tires to attend to two or more simultaneous messages and responds to both messages ii) when utilizing divided attention, both speed and accuracy suffer b) Multitasking i) The attempt to accomplish two or more tasks at the same time ii) this process tends to limit working and long term memory iii) students walk more slowly when talking on cell phones iv) students read textbooks more slowly when texting v) students earn lower grade son material studied while multitasking vi) when driving and using a cell phone the visual field perceived is greatly restricted (1) attention is limited further when the passenger is using a cell phone because the driver has to work to imagine half of the conversation 4)
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