Brain and Behavior

1. is a small part of the brain that helps process emotions like fear and pleasure and plays a role in memory.
4. is the network of nerves outside the brain and spinal cord that connects the body to the central nervous system.
7. chemicals in the brain that help reduce pain and make you feel happy.
8. a branch-like part of a nerve cell that receives signals from other cells.
9. the part of the brain that processes visual information.
11. a chemical in the brain that helps regulate mood, sleep, and appetite.
13. is a test that measures electrical activity in the brain.
14. a visual representation of the body showing how different parts are mapped to areas of the brain responsible for sensation.

2. long, thin part of a nerve cell that carries electrical signals away from the cell body to other cells.
3. a nerve cell that transmits electrical signals in the brain and throughout the body.
5. is a part of the brain that controls important functions like hunger, thirst, temperature, and emotions.
6. natural chemicals in the brain that help relieve pain and boost feelings of happiness.
10. the part of the brain that controls movement, balance, and coordination.
12. the minimum level of stimulus needed to trigger a response in a system, such as a nerve cell firing.