Psychology

4. measured by electrodes placed on the scalp
6. the oldest part and central core of the brain
8. group of structures located beneath the cerebral cortex that are involved in regulating emotions and motivated behaviors
11. the sensory and motor neurons that connect the CNS to the rest of the body
12. has nuclei that are important for sleep and arousal
13. division of the peripheral nervous system that control's the body's skeletal muscles
16. automatic behavior in response to a specific stimulus
17. short, branchlike structures of a neuron that receive information from receptors and other neurons
21. neurons that carry information from the receptors to the spinal cord and brain
24. imaging technique that involves the use of radio waves and a strong magnetic field
25. base of the brainstem

1. chemical messengers that cross the synaptic gap between neurons
2. band of nerve fibers that run through the center of the brain stem
3. a molecule (e.g., drug) that enhances the operation of a neurotransmitter
5. part of a neuron that transmits information to other neurons and to muscles and glands
7. its sympathetic division arouses while the parasympathetic division calms
9. neurons that carry information from the brain and spinal cord to the muscles
10. site where two or more neurons interact but do not touch
14. subcortical structure that relays incoming sensory information to the cerebral cortex and other parts of the brain
15. wide band of neural fibers that connects the two hemispheres of the brain
18. structure of the hindbrain that coordinates voluntary muscular movements
19. a nerve cell; basic cell of the nervous system
20. Division of the nervous system that consists of the brain and spinal cord
22. cell body of a neuron
23. method of clearing a neurotransmitter from the synaptic cleft