Psychology Chapter 6 Vocab

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