Psychology Chapter 6 Vocab

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