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Psychology 101: Lecture 22

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University of British Columbia
PSYC 101
Michael De Souza

Lecture #22 - October 31, 2012 Wednesday, October 31, 2012 11:01 AM SLIDE #4 • Sensory memory is very short (perhaps only 6-8 seconds) ○ Capacity is much larger, and able to store lots of information in little time SLIDE #5 • Visuospatial sketchpad: mental workspace that is visual ○ Basis for mental or visual imagery • Phonological loop: internal dialogue (talking, or thinking to one's self) • Central executive: gives out mental resources, determined by what is most important SLIDE #6 • Prefrontal cortex is important, support working memory ○ Activity can be determined by number of signals sent ○ Cooling of the prefrontal cortex slows the response (worsens memory) ○ Dopamine infusions into the prefrontal cortex increases performance SLIDE #7 • Rundus (1971) believed rehearsal was better for memory ○ Rehearsal time does not always help SLIDE #8 • Long-term memory: permanent store of knowledge that can be accessed at will SLIDE #9 • Activation of long term memory placed in work memory for conscious consideration • Retrieval Failure: tip of the tongue phenomenon • Improving retrieval: s
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