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Emotion in the brain - Coggle Diagram

- - - - thalamus - sensory cortices (cingulate region) - cingulum - hippocampus - fornix - mamillary bodies of hypothalamus - nail to thalamus
      - thalamus - mamillary bodies - anterior thalamus - cingulate
  - - - animal studies
      - lesion studies
  - - - evolutionarily ancient 'reptilian' brain
      - 'old' mammalian brain -visceral brain
        
        limbic system
      - new mammalian brain - neocortex
  - - - Weiskrantz showed that removal of the amygdala was sufficient. to induce Kluver-Bucy syndrome
      - social signals of emotions
        
        processing of emotional facial expressions (especially fear) impaired in humans after amygdala lesions
      - fear conditioning
      - long-term memory consolidation of emotional memories
    - - Phineas Gage
      - reward processing (orbitofrontal region)
      - processing somatic signals
        
        somatic marker hypothesis (Damasio)
        
        physiological reactions - shifts in autonomous nervous activity that tag emotionally significant events
    - - reward
      - motivation
    - - point of integration of visceral, attentional, emotional information
      - regulation of affect and other forms of top-down control
      - concepts
        
        dorsal, 'cognitive' subdivision
        
        ventral, 'affective' subdivision
- - - - striatum - reward, disinhibition of motor programs in the basal ganglia motor loop
    - - projections to the extended amygdala controlling reactions and actions
- - - - ventral ACC, middle and superior frontal gyrus, precuneus, middle and superior temporal gyrus, occipital, sublobar areas, cerebellum, brain stem
      - amygdala activity related to the strength of experienced fear
    - - amygdala, insula, ACC - aversive conditioning network
      - modelling of acquisition
      - extinction
        
        PFC - inhibiting / regulating role