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Psy 123_Lec 12 Memory

in the event related analysis they contrasted trials

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Unformatted text preview: tivates the left prefrontal cortex.! In the event-related analysis, they contrasted trials that were subsequently remembered to those that were subsequently forgotten. Activations in the prefrontal cortex were attributed to cognitive control mechanisms (and not encoding processes per se) that process information at various levels. These prefrontal regions then interact with medial temporal lobe mechanisms that actually encode or consolidate the information into a lasting memory trace.! Content vs. Control: The Reactivation of Cortical Areas! How are stored memories represented in the brain?! They are probably widely distributed, and may involve the reactivation of cortical processes that were engaged during the initial processing of the remembered event.! Proceedings of the National Academy of Sciences, 2000! Encoding of visual words & sounds! !>! Encoding of visual words alone! Retrieval of paired words! !>! Retrieval of unpaired words! During a study phase, subjects view words paired with sounds and words unpaired with sounds.! During a recognition test while being scanned, subjects respond “old” or “new” to visual words.! Words that were previously paired with a sound reactivate the auditor...
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