03/07/14 Biological School ctd.

• Reflexes
• Normally, sensory (afferent) neurons take info up through spine to the brain.
• Some reactions occur when sensory neurons reach just the spinal cord.
• Lesions
• Cutting into the brain and looking for change.
• Less invasive ways to study the brain.
• Brain structures
• Some scientists divide the brain into three parts
• Hindbrain
• Forebrain
• Midbrain
• 3 Parts of the Hindbrain
• Medulla Oblongata
• Heart Rate
• Breathing
• Blood Pressure
• Pons
• Connects hindbrain, midbrain, and forebrain together.
• Involved in facial expressions.
• Cerebellum
• Located in the back of our head- means little brain.
• Coordinates muscle movements
• Like tracking a target.