the brain

• what is the brain made of?

  billions of interconnected neurones
• C- cerebral cortex , which controls consciousness , intelligence , memory & language

  
• A - cerebellum , controls muscle coordination

  
• B - medulla , controls unconscious activities e.g. breathing , heart rate

  
• why is the investigation and treatment of the brain difficult?

  • brain is complex and delicate
  • brain is easily damaged
  • the exact function of each part of the brain is not known
  • drugs don't always reach brain
• what methods are used by scientists to study the brain?

  • studying patients with brain damage
  • electrical stimulation of the brain
  • MRI scans