brain

• Which two structures make up the central nervous system

  Spinal cord

  Brain
• When we view images of the brain we are generally looking at a cross section of brain. 

  What is a cross section? 

  A view into the inside of something made by cutting through it.
• Cerebral cortex (cerebrum)

  
• How many hemispheres is the cerebral cortex split into?

  2
• What are the roles of the cerebral cortex?

  Consciousness 

  Interpreting senses like hearing & vision

  Memory
• Cerebellum

  
• What are the roles of the cerebellum?

  Balance

  Muscle coordination 
• The medulla is responsible for coordinating unconscious activities, such as regulating our breathing rate and heart rate. 
• The hypothalamus is responsible for regulating our body temperature.
• Where in the brain is the medulla found? 

  In the brain stem
• Studying the brain involves matching specific regions of the brain with specific functions.

  What are the three main ways that scientists can do this? 

  Study people with brain damage 

  Electrically stimulate different parts of the brain

  Scan the brain, using CT, PET, MRI, or fMRI scanners
• What are the three main reasons treating the brain is so difficult? 

  There is a huge range of things that can go wrong, from mental illness to infection

  It is encased within the skull, so is hard to access

  It is very complicated, so hard to target with medications