PSYC 2700 Lecture Notes - Lecture 3: Master Sergeant, Orienting Response, Explicit Knowledge
15 May 2016
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Attention: thought of as mental process of concentrating effort on stimulus or mental event: activity that occurs within cognitive system, a process, effortful: focus eyes, encode, sustained attention -> identification. Attention involves basic capacity to respond to environment: tonic state of arousal that"s long-lasting & changes gradually. E. g. sleep-wake cycle: phasic change in state of arousal that"s sudden & transient. You need to be alert & aroused when you process info explicitly: you don"t to process info implicitly. Presented ps w/ list of words before surgery & diff list during surgery. Assessed implicit knowledge using word-stem completion task. 24 hrs after surgery participants completed word-stems w/ 1st word that came to mind: e. g. , bo_ _ _, li_ _ _ But told to not use any word they remembered hearing. Were less likely to respond w/ pre-surgery word (board to bo_ _ _) than during- surgery word (light to li_ _ _)
