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Y2 s1 memory

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Physiology of memory and emotions & the limbic system Prof. Vajira Weerasinghe Dept of Physiology, Faculty of Medicine, University of Peradeniya
Terminology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cognition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Emotions ,[object Object],[object Object]
Physiology of memory
Answer following questions? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
memory ,[object Object],[object Object]
[object Object],[object Object],memory
memory ,[object Object],[object Object]
memory ,[object Object],[object Object]
memory ,[object Object],[object Object]
memory ,[object Object],[object Object]
memory ,[object Object],[object Object],[object Object],[object Object],[object Object]
memory ,[object Object],[object Object],[object Object],[object Object],[object Object]
memory systems ,[object Object],[object Object],[object Object]
sensory memory or immediate memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
short term memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Working memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
long term memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Unconsolidated Memories Discarded Consolidation Water tank model STM LTM
Atkinson & Schiffrin (1968) Multistore Model of Memory Sensory Memory LTM STM Stimuli Attention Transfer Retrieval Rehearsal F O R G O T T E N
 
forgetting
forgetting ,[object Object],[object Object],[object Object],[object Object],[object Object],This example is based on memorizing that occurs during a one-hour lecture.
Further types of memory ,[object Object],[object Object]
[object Object],[object Object],[object Object],Explicit Memory
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Types of Explicit Memory
[object Object],[object Object],[object Object],Implicit Memory
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Types of Implicit memory
Prospective memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Emotional memory ,[object Object],[object Object],[object Object]
Learning Experiments ,[object Object],[object Object],Unconditioned stimulus: food Conditioned stimulus: Bell Response: Salivation Neurolab
Operant Conditioning ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Synaptic strengthening ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A B X
Habituation and sensitisation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
[object Object],[object Object],[object Object],[object Object],[object Object],LTP (Long Term Potentiation)
LTP mechanism ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
LTP significance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
NMDA receptor ,[object Object],[object Object],[object Object]
NMDA receptor modulators ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],brain areas responsible for memory
History ,[object Object],[object Object],[object Object],[object Object]
Papez circuit A long circuitous conduction chain in the mammalian forebrain, leading from the hippocampus by way of the fornix to the mammillary body and thence returning to the hippocampus by way of, sequentially, the anterior thalamic nuclei, cingulate gyrus, and parahippocampal gyrus
 
limbic system ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
limbic cortex ,[object Object]
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
Functions ,[object Object],[object Object],[object Object],[object Object],[object Object]
Complex role of the limbic system ,[object Object],[object Object],[object Object],[object Object]
Role in memory storage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hippocampus ,[object Object],[object Object],[object Object],[object Object],[object Object]
Physiology of emotions
 
Physiology of emotions ,[object Object],[object Object],[object Object]
Physiology of emotions ,[object Object],[object Object],[object Object],[object Object],[object Object]
Neurotransmitters released ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Limbic system ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Limbic system ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Amygdala ,[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Amygdala ,[object Object],[object Object],[object Object]
Prefrontal Cortex ,[object Object],[object Object],[object Object],[object Object],[object Object]
Nucleus accumbens ,[object Object],[object Object],[object Object],[object Object],[object Object]
Executive functions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Y2 s1 memory

  • 1. Physiology of memory and emotions & the limbic system Prof. Vajira Weerasinghe Dept of Physiology, Faculty of Medicine, University of Peradeniya
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  • 20. Unconsolidated Memories Discarded Consolidation Water tank model STM LTM
  • 21. Atkinson & Schiffrin (1968) Multistore Model of Memory Sensory Memory LTM STM Stimuli Attention Transfer Retrieval Rehearsal F O R G O T T E N
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  • 45. Papez circuit A long circuitous conduction chain in the mammalian forebrain, leading from the hippocampus by way of the fornix to the mammillary body and thence returning to the hippocampus by way of, sequentially, the anterior thalamic nuclei, cingulate gyrus, and parahippocampal gyrus
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  • 64.
  • 65.
  • 66.
  • 67.