Memory - Long term memory

• Types of long term memory

  • Episodic
  • Semantic
  • Procedural
• Types of memory


  • Explicit
  • Implicit
• Explicit memory


  Knowledge for events and facts
• Implicit memory


  Skilled behaviour
• Episodic memory


  Personal experiences (first day at school)
• Episodic memory


  • Details of event context
  • Emotions
  • Provides a single memory
• Semantic memory


  Knowledge, facts, concepts and meaning of the world
• Semantic memory


  Starts as episodic, we gain knowledge based on experiences determined by the strength of emotions
• Procedural memory


  How to perform tasks (swimming), acquired through repetition
• Episodic memory is explicit
• Procedural memory is implicit
• Semantic memory is explicit
• Brain scans show active areas for different memories
• Patient HH, severe epilepsy and removed hippocampus could not learn explicit information
• Patient PH, amnesia, procedural memory remained intact
• Hippocampus is the brain region for episodic memory
• Cerebellum and motor cortex are the brain regions for procedural memory
• Temporal lobe is the brain region for semantic memory