Quizlet Reg. Psych Chapter 6-Brain

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  1. autonomic nervous system (ANS): part of the PNS that controls internal biological functions
  2. central nervous system (CNS): brain and spinal cord
  3. computerized axial tomography(CAT): imaging technique used to see which brain areas are being activated while performing tasks
  4. electroencephalograph (EEG): machine used to record electrical activity of large portions of the brain
  5. endocrine system: chemical communication system, using hormones, by which messages are sent through the bloodstream
  6. forebrain: part of the brain that covers the brain's central core
  7. fraternal twins: twins who came from two different eggs fertilized by two different sperm
  8. genes: basic building blocks of heredity
  9. heredity: genetic transmission of characteristics from parents to their offspring
  10. hindbrain: part of the brain located at the rear base of the skull involved in basic processes of life
  11. hormones: chemical substances that carry messages through the body in blood
  12. identical twins: twins who came from one fertilized egg; twins having the same heredity
  13. lobes: different regions into which the cerebral cortex is divided
  14. magnetic resonance imaging(MRI): imaging technique used to study brain structure and activity
  15. midbrain: small part of brain above the pons that integrates sensory information and relays it upward
  16. neurons: long, thin cells of nerve tissue along which messages travel to and from the brain
  17. neurotransmitters: the chemicals released by neurons, which determine the rate which other neurons fire
  18. peripheral nervous system(PNS): nerves branching out from the spinal cord
  19. pituitary gland: center of control of the endocrine system that secretes a large number of hormones
  20. Positron Emission tomography: an imaging technique used to see which brain areas are being activated while performing tasks
  21. somatic nervous system(SNS): part of the PNS that controls voluntary movement of skeletal muscles
  22. spinal cord: nerves that run up and down the length of the back and transmit most messages between body and brain
  23. synapse: gap between individual nerve cells