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PSYC 1000 (740)
Dan Meegan (212)

Module 24.docx

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PSYC 1000
Dan Meegan

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Module 24: Storage: Retaining Information in the Brain Retaining Information in the Brain - Memories do not reside in single specific spots o Many parts of the brain interact as we encode, store and retrieve information that forms memories Explicit Memory System: The Frontal Lobes and Hippocampus - Explicit memory o Memory of facts and experiences that one can consciously know and declare o Brain regions send input to the frontal lobes for working memory processing - Left frontal lobe o Recalling a password and holding it in working memory - Right frontal lobe o Calling up a visual party scene - Hippocampus o A neural center located in the limbic system: helps process explicit memories for storage  A save button o Damage disrupts the recall of memories o Left damage  Trouble remembering verbal information o Right damage  Trouble recalling visual designs and locations  Sub regions serve different purposes  Associate names with faces  Spatial mnemonies o Rear area - Sleep supports memory consolidation o Brain replays days activities and stores them in cortex Implicit-Memory System: The Cerebellum and Basal Ganglia - Implicit memory o Retention independent of conscious recollection - Done with the cerebellum o Forming and storing of implicit memories created by classical conditioning o Without people cannot develop certain reflexes - Basal ganglia o Involved in motor movement and facilitate formation of procedural memories for skills - Infantile amnesia o Cannot remember first 3 years  Used words that non speaking children have not learned  Hippocampus is one of last brain structures to mature The Amygdala, Emotions and Memory - Emotions trigger stress hormones that influence memory formation o More glucose available to fuel brain activity - Stress hormones provoke amygdala o Two limbic system emotion processing clusters - Emotional arousal sears certain event
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