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Central Nervous System (Cerebrum (Five Lobes (Frontal (Broca's area:…

- - - - From one hemisphere to another
    - - Within same hemisphere
    - - Cortex to thalamus, or cortex to spinal cord
  - - - Auditory & olfactory cortex
      - Recognition of objects, words, faces, emotion response, memory
    - - Visual cortex
    - - Process sensory information
      - Wernickes area: understanding of language
    - - Broca's area: Speech production
      - Pre-frontal lobe: planning, decision making, memory, problem solving
      - Initiate voluntary movement
    - - Visceral sensory cortex for taste and general visceral senstaions
      - Deep within lateral sulcus
- - - - Gray matter - processing
      - Autonomic behaviors
  - - - Superior Colliculi (Visual reflexes)
      - Inferior Colliculi (Auditory reflexes)
    - - Tracts that carry signals from cortex to spinal cord
      - Voluntary motor signals
  - - - Ascending Tracts (Sensory Tract)
      - Descending Tracts (Motor Tract)
    - - Posterior Root
        
        Output
        
        Visceral Motor (VM)
        
        Somatic Motor (SM)
        
        Dorsal Root Ganglion (Sensory neuron cell bodies)
        
        Dorsal Root
      - Anterior Root
        
        Ventral Root
        
        Input
        
        Visceral Sensory (VS)
        
        Somatic Sensory (SS)
- - - - Hunger & thirst
      - Body temperature
      - Sleep & wake cycles
      - Autonomic nervous system
      - Endocrine system
      - Motivation for food & sex