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Brain & Special Senses (Regions of Brain (BRAINSTEM (FUNCTIONS…

- - - - Being able to read and understand what you read
      - Higher thought process
      - Center of intelligence, reasoning, sensory perception, memory, conscious perception of special senses.
    - - Frontal
        
        Primary motor cortex(movement)
        
        Premotor cortex(planning)
      - Parietal
        
        Primary somatosensory cortex(interprets pain, touch)
        
        Somasensory association area(receives and interprets touch)
      - Occipital
        
        Primary visual cortex(Processes vision)
        
        visual association area
      - Temporal
        
        Primary auditory cortex(Processes sounds)
        
        Auditory association area
        
        Primary olfactory cortex(awareness of smells)
  - - - Connects Cerebellum, Cerebrum, & Diencephalon to the spinal cord
      - Life support, vital reflexes
    - - Superior part of the brainstem
    - - all communication from the brain and spinal cord happen here
    - - respiratory rates
  - - - movement, long term memory
  - - - What holds the two hemispheres together
      - lets motor and sensory pathway activities occur
    - - covers the third ventricle/ houses the pineal gland
    - - acts as a information filter
    - - Control of the ANS
      - Control of the endocrine system
      - regulates body temperature/emotional behavior/ food & water intake/sleep-wake rhythms
- - - - Pia Mater(inside)
      - Arachnoid Mater(middle)
      - Dura mater(outside)
- - - - White parts of eyes,protection and shape/transparent part, light enters
    - - dark middle tunic/absorbs light no reflection
    - - Contains rods & cones/small pit near center of retina
    - - production of tears/dark, circular structure around front and posterior cavity
    - - holds the aqueous humor-maintains shape of front of eye
    - - colored part of eye/pupil is the black space in the iris, size changes when exposed to light
    - - focuses light on retina
    - - fluid in the posterior cavity that helps maintain shape and support of the internal parts
    - - on the optic nerve/light exits out the optic nerve
    - - dark coat between sclera and retina
- - - - Pinna-outside of head/collect sound waves
      - External auditory canal-carries sound waves to ear drum
      - Tympanic membrane-ear drum
    - - Malleus(hammer)
      - Incus(anvil)
      - Stapes(stirrup)
    - - Semicircular canals-contain sensory cells and fluid/ responsible for sense of equilibrium
      - Cochlea(snail shell)-holds the ORGAN OF CORTI which does the actual hearing
      - VestibularCochelear nerve- sends the senses to the brain