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cog outline ch4

cog outline ch4 - Ch 4 Outline ATTENTION Attention...

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Ch. 4 Outline ATTENTION Attention - describes many things- arousal, alertness to consciousness and awareness; sometimes reflexive.; the mental process of concentrating effort on a stimulus or a mental event ideas about attention: - We’re constantly presented with much more information than we can attend to - There’s serious limits to how much we can attend to at once - We can respond to some information and perform some tasks with little if any attention - With enough practice/knowledge, some tasks become less and less demanding of our attention Attention= a process that focuses a mental resource- effort- on either an external stimulus or an internal thought. - Focus on a visual stimulus as no different than when you focus on a word, concept, or idea - It’s limited/finite Basic input attentional process - Input attention - getting sensory information into the cognitive system- alertness/arousal; orienting reflex/response; spotlight attention/search - Stream of processing - these processes (pg. 113) that seem either reflexive or automatic, are low level in terms of info content, and occur rapidly; types (6): INPUT ATTENTION: 1.) Alertness - attention involves the basic capacity to respond to the environment Consciousness= impt, but alertness needs to be present vigilance/sustained attention - the maintenance of attention for infrequent events over long periods of time; it’s affected by the neurological and physiological state of the person (to hot/cold, arousal levels, taking drugs) performance of a task when testing vigilance is also affected by how effective people are explicit processing - involves conscious processing, conscious awareness that a task is being performed, and usually conscious awareness of the outcome of that performance implicit processing - processing with no necessary involvement of conscious awareness You need to pay attention to learn well; only small amounts of learning can sometimes occur unconsciously.
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word stem completion task - word stems given for completion after patients heard words before and after surgery. They had implicit memory of words that they heard under
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cog outline ch4 - Ch 4 Outline ATTENTION Attention...

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