4. Neural Communication

6. Neural Communication Cell body end of axon Direction of neural impulse: toward axon terminals

8. Neural Communication

9. Neural Communication Serotonin Pathways Dopamine Pathways

10. Neural Communication

12. Neural Communication Neurotransmitter molecule Receiving cell membrane Receptor site on receiving neuron Agonist mimics neurotransmitter Antagonist blocks neurotransmitter

14. The Nervous System Central (brain and spinal cord) Nervous system Autonomic (controls self-regulated action of internal organs and glands) Skeletal (controls voluntary movements of skeletal muscles) Sympathetic (arousing) Parasympathetic (calming) Peripheral

18. The Nervous System

19. The Nervous System

25. PET Scan

26. MRI Scan

28. The Brain

33. The Limbic System

37. The Cerebral Cortex

39. The Cerebral Cortex

41. Visual and Auditory Cortex

44. Specialization and Integration

50. Split Brain “ Look at the dot.” Two words separated by a dot are momentarily projected. “ What word did you see?” or “ Point with your left hand to the word you saw.”

52. Brain Structures and their Functions