Long Term Memory

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  • What is long term memory and why do we have it?
  • Evolved to allow organisms to cope with complex environments
  • Strong interactions with short term memories
  • Long term memory: declarative (explicit) and non declarative (implicit)
  • Non declarative (implicit) - skills and habits, emotional responses, priming
  • Declarative (explicit) - semantic facts and episodic events which can be consciously recalled.
  • Encoding memories for events: processes by which information is transformed into a memory respresentation.
  • Attention, Elaboration, Generation and Spacing, Binding
  • Consolidating memories for events: depends upon the hippocampus. Binding of individual impressions into episodes through rehearsal.
  • No more consolidation of memories = amnesia
  • Two different types of amnesia - retrograde (loss of old memories) and anterograde amnesia (inability to form new memories)
  • The story of H.M - epileptic patient which underwent bilaterial medial temporal lobe resection in order to control seizures and suffered…


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