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A 61 year-old male piano teacher with a long history of alcohol abuse was…

- - - - The cerebrum is divided into a right and a left hemisphere and is composed of pairs of frontal, parietal, temporal, and occipital lobes.
        
        the right hemisphere controls the left side of the body and the left side controls the right
    - - The white matter is a network of fibers that enables regions of the brain to communicate with each other.
  - - - The choroid plexuses are located in the ventricles produce CSF, which fills the ventricles and subarachnoid space, following a cycle of constant production and reabsorption.
- - - - neurotoxicity, which occurs when neurons over react to neurotransmitters for too long. Too much exposure to a neurotransmitter can cause neurons to eventually "burn out."1 Since neurons make up the pathways between different parts of the brain, when they begin burning out, it can cause noticeable slowing in the reactions of these pathways
        
        brain matter itself is also damaged by heavy alcohol use. People with alcohol dependence often experience "brain shrinkage," which is reduced volume of both gray matter and white matter over time.
- - - - diabetes
        
        being overweight
        
        atrial fibrilation
        
        liver damage
  - - - According to the left-brain, right-brain dominance theory, the right side of the brain is best at expressive and creative tasks. Some of the abilities popularly associated with the right side of the brain include8:
      - Recognizing faces
      - Expressing emotions
      - Music
      - Reading emotions
      - Color
      - Imagination
      - Intuition
      - Creativity
    - - The left-side of the brain is considered to be
        adept at tasks that involve
        logic, language, and analytical thinking.
        The left-brain is described as being better at:
      - Language
      - Logic
      - Critical thinking
      - Numbers
      - Reasoning