Psych Chap 6 Vocab

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Across
  1. 4. the set of genes in an organism
  2. 6. a small part of the brain above the pons that arouses the brain, integrates sensory information, and relays it upward
  3. 7. (MRI), a measuring technique used to study brain structure and activity
  4. 8. the different regions into which the cerebral cortex is divided
  5. 11. (EEG), a machine used to record the electrical activity of large portions of the brain
  6. 16. twins who come from two different eggs fertilized by two different sperm
  7. 17. (CT), an imaging technique used to study the brian to pinpoint injuries and brain deterioration
  8. 21. the long, thin cells of nerve tissue along which messages travel to and from the brain
  9. 22. the expression of a particular trait in an organism
  10. 23. the gap that exists between individual nerve cells
  11. 25. the building blocks of heredity
  12. 27. (ANS), the part of the peripheral nervous system that controls internal biological functions
Down
  1. 1. (PET), an imaging technique used to see which brain areas are being activated while performing tasks
  2. 2. a part of the brain that covers the brain's central core, responsible for sensory and motor control and the processing of thinking and language
  3. 3. the genetic transmission of characteristics from parents to their offspring
  4. 5. (PNS), nerves branching beyond the spinal cord into the body
  5. 9. (SNS), the part of the peripheral nervous system that controls voluntary movement of skeletal muscles
  6. 10. the chemicals released by neurons, which determine the rate at which other neurons fire
  7. 12. chemical substances that carry messages through the body in blood
  8. 13. a part of the brain located at the rear base of the skull that is involved in the basic processes of life
  9. 14. nerves that run up and down the length of the back and transmit most messages between the body and brain
  10. 15. descended from ancestors with similar genetics
  11. 18. descended from ancestors with dissimilar genetics
  12. 19. a chemical communication system, using hormones, by which messages are sent through the bloodstream
  13. 20. (CNS), the brain and spinal cord
  14. 24. the center of control of the endocrine system that secretes a large number of hormones
  15. 26. twins who come from one fertilized egg; twins having the same heredity