Across
- 3. automatic, inborn response to a sensory stimulus
- 6. callosum Neural fibers carry messages between the two brain hemispheres
- 8. A computerized radiographic technique used to measure metabolic activity in brain
- 11. potential A neural impulse is a brief electrical charge that travels down an axon.
- 12. nervous system The peripheral nervous system controls the body's skeletal muscles
- 14. Scan X-ray photographs combined to create a composite image of the body.
- 15. opiatelike neurotransmitters linked to pain control and to pleasure
- 17. areas The cerebral cortex is involved in higher mental functions such as learning, remembering, thinking, and speaking
- 18. Endocrine glands produce chemical messengers that affect other tissues.-
- 21. system The hippocampus, amygdala, and hypothalamus are neural structures associated with emotions and drives, such as fear and aggression.
- 25. cortex The brain is the body's control and information-processing center
- 26. formation The brainstem is responsible for controlling arousal-
- 27. transport information from the central nervous system to muscles and glands.-motor
- 29. tiny gaps between dendrites and axons of different neurons-
- 30. lobes Visual areas of the back of the head receive visual information from the opposite visual field.
Down
- 1. lobes The cerebral cortex is responsible for speaking, muscle movements, and making decisions.
- 2. area The temporal lobe is responsible for language comprehension and expression
- 4. process by which organisms maintain a relatively stable internal environment
- 5. Neural clusters in the limbic system are linked to emotions
- 7. the level of stimulation required to trigger a neural impulse-
- 9. The brain's sensory switchboard directs messages to the cortex and transmits replies to the cerebellum
- 10. located in the limbic system that helps process explicit memories for storage
- 13. nervous system What system is the brain and spinal cord in
- 16. is the oldest part of the brain, responsible for survival function.
- 19. the basic building block of the nervous system
- 20. Neural "cables" connect the central nervous system to muscles, glands, and sense organs.
- 22. area of the brain responsible for all voluntary activities of the body
- 23. base of the brainstem; controls heartbeat and breathing
- 24. psychology a branch of psychology concerned with the links between biology and behavior
- 28. brain The two hemispheres of the brain are isolated by cutting the connecting fibers.