PSY270H1 Lecture Notes - Lecture 5: Temporal Lobe, Synapse, Memory Consolidation
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Primacy and recency effects: separate memory systems. Ltm declarative (explicit) facts, events medial temporal lobe diencephalon. Ltm nondeclarative (implicit) procedural (skills & habits) striatum. Ltm nondeclarative (implicit) priming neocorte. Ltm nondeclarative (implicit) simple classical conditioning emotional responses amygdala. Ltm nondeclarative (implicit) simple classical conditioning skeletal musculature cerebellum. Ltm nondeclarative (implicit) nonassociative learning reflex pathways. Explicit: recognition, recall (free recall, serial recall, cued recall) Implicit": procedural, priming (repetition priming, semantic priming) Retrograde: memory loss for events prior to trauma. Anterograde: memory loss for events after/inability to form new memories. Intact: intelligence, language, personality, memory for past. Loss of ability to form new memories/memory consolidation. Systems consolidation: multiple brain structures, can take decades. Reconsolidation: when memory is reactivated over shorter time course. Formation of long-lasting stable memories requires more than local cellular response. Medial temporal lobe particularly important for systems consolidation. Standard model of consolidation is hippocampal dependent, retrieval hippocampal independent. Hippocampus binds information across different cortical areas.
