thinking about learning and memory

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thinking about learning and memory. Memory? Types of memory, CNS regions, memory impairments Learning? Models for learning. Memory Processing. if attended. Short-term Memory (STM) Limited capacity (7 items) can use chunking Brief duration - PowerPoint PPT Presentation


<ul><li><p>Memory?Types of memory, CNS regions, memory impairments Learning?Models for learning</p></li><li><p>if attended</p></li><li><p>Short-term Memory (STM)Limited capacity (7 items)can use chunking</p><p>Brief durationCan be lost without rehearsal or with interference</p></li><li><p>if attended</p></li><li><p>Short-term Memory (STM)Limited capacity (7 items)can use chunkingBrief durationcan be lost without rehearsal or with interference</p><p>Long-term Memory (LTM)more permanent storage</p><p>Consolidation - Process by which rehearsal of information in STM results in transfer to LTM</p></li><li><p>if attendedretrieval</p></li><li><p>Amnesia refers to a failure to rememberAnterograde amnesia - difficulty in forming new memories for events that occur after a brain trauma</p><p>Retrograde amnesia - inability to recall events that occurred prior to a trauma</p><p>Amnesia can be temporary or permanent</p></li><li><p>Severe anterograde amnesia follows bilateral damage to the hippocampus</p></li><li><p>Surgery 1953 for debilitating epilepsybilateral removal of hippocampusconsequences: severe anterograde amnesiashort-term memory intactlong term memory prior to surgery intactmotor memories intactmedial temporal amnesia</p></li><li><p>Declarative memory: memories available as facts, events, or specific stimuli</p><p>Nondeclarative memory: stimulus-response and motor memories that control behaviors at an unconscious level</p></li><li><p>Hippocampal dependent</p></li><li><p>these can be true or false</p></li><li><p>Prefrontal Cortex-memory deficits planning, sequence of events</p><p>Cerebellummotor memories</p></li><li><p>amygdalapart of the limbic system; emotional memories</p></li><li><p>Alzheimers diseaseHippocampus has many cholinergic neuronsbasal forebrain area specifically affected by AD </p><p>Korsakoffs syndrome</p></li><li><p>Korsakoffs syndromesevere anterograde amnesia with elements of confabulationconsequence of chronic alcohol abuselesions in a number of brain structures including</p></li><li><p>ECS electroconvulsive shock</p><p>State dependent memories (and state dependent learning)</p><p>*</p></li></ul>


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