Psychology Unit 2 Review

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Across
  1. 3. drugs chemicals that affect the nervous system and result in altered consciousness
  2. 4. principles principles that describe the brain's organization of sensory information into meaningful units and patterns
  3. 6. rhythm the rhythm of activity and inactivity lasting approximately one day
  4. 9. processing information processing guided by higher-level mental processes, as when we construct perceptions drawing on our experiences and expectations
  5. 11. the distance from the peak of one wave to the peak of the next
  6. 12. sleep a stage of sleep characterized by rapid eye movements, a high level of brain activity, a deep relaxation of the muscles, and dreaming
  7. 14. Law To be perceived as different, two stimuli must differ by a constant minimum percentage. (Light-8%, Weight-2%, Tones-3%)
  8. 16. nervous system (CNS) the brain and spinal cord
  9. 17. nervous system (ANS) the part of the peripheral nervous system that controls internal biological function
  10. 19. nervous system (PNS) nerves branching out from the spinal cord
  11. 20. a state of awareness, including a person's feelings, sensations, ideas, and perceptions
Down
  1. 1. the process of organizing and interpreting sensory information; enabling us to recognize meaningful objects and events; helping us make sense of the world around us
  2. 2. the subjective awareness of a stimulus; the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment
  3. 5. system a chemical communication system, using hormones, by which messages are sent through the bloodstream
  4. 7. the process of learning to control bodily states with the help of machines monitoring the states to be controlled
  5. 8. processing analysis begins with the sensory receptors and works up to the brain's integration of sensory information
  6. 10. threshold smallest change in the intensity of a stimulus that can be detected (just noticeable difference)
  7. 13. threshold the smallest possible strength of a stimulus that can be detected in half the time
  8. 15. nervous system (SNS) the part of the peripheral nervous system that controls voluntary movement of skeletal muscles
  9. 18. Nerve the nerve that carries neural impulses from the eye to the brain