The Brain (Unit 1)

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  • The Brain
    • The Cerebrum
      • Is responsible for creativity, complex thinking, reasoning, movement, the senses and memory
      • Located in the cerebral cortex
      • Divided into four lobes each with a different function
        • Frontal lobe
          • Responsible for intellectual functions and planning
          • Helps with morals and appropriate social rections
          • Located at the front of the brain
        • Temporal lobe
          • Located at either side of the brain
          • Responsible for hearing and smell
          • Involved in memory
        • Parietal lobe
          • Located at the top of the brain
          • Responsible for movement and the five senses
          • Where sensations from different parts of the body are felt
        • Occipital lobe
          • Located at the back of the brain
          • Responsible for vision and processing what we see
    • The Hypothalamus
      • Located in the cerebral cortexf
      • Responsible for controlling the release of hormones from the pituitary gland
      • Regulates drives necessary for survival
      • Links the nervous system to the endocrine system via the pituitary gland
      • Can be the cause of some disorders such as anorexia and bulimia
    • The Cerebellum
      • Located at the base of the brain
      • Holds procedural knowledge / skills
      • Responsible for motor functions
    • HM
      • Suffered from epileptic fits so his hippocampi were removed
      • His fits reduced but he suffered from anterograde amnesia
      • He could recall long-term memories but could not process new memories
      • Long-term and short-term memories are stored separately
      • The temporal lobes / hippocampi are involved in memory
    • Phineas Gage
      • Was in an accident while working on a railway line
      • An iron bar passed through his cheek and into the front of his skull
      • He survived but suffered a dramatic change in his personality
      • Damage to the frontal lobes encourages violence
      • Frontal lobes are linked to personality
    • Looking at the brain
      • Event related potentials (ERP)
      • Positron Emission Tomography (PET)
      • Magnetic Resonance Imaging

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