Vocab Chap. 6 (1-20)

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Across
  1. 1. a process in which incoming stimulus data initiate and determine the higher level processes involved in their recognition, interpretation, and categorization
  2. 4. the aperture through which light passes on entering the eye
  3. 6. the effect in which recent experience of a stimulus facilitates or inhibits later processing of the same or a similar stimulus
  4. 8. the minimum amount of stimulation required to trigger a reaction or produce a sensation
  5. 11. (signal detection theory)a body of concepts and techniques from communication theory, electrical engineering, and decision theory
  6. 13. the quantitative value of a stimulus or sensation.
  7. 14. a muscular disk that surrounds the pupil of the eye and controls the amount of light entering the eye by contraction or relaxation
  8. 15. the subjective quality of color, which is determined primarily by wavelength and secondarily by amplitude.
  9. 16. a mathematical model of the difference threshold stating that the magnitude needed to detect physical change in a stimulus is proportional to the absolute magnitude of that stimulus
  10. 17. any of the media through which one gathers information about the external environment or about the state of one's body in relation to the environment
  11. 18. involves the filtering and analyzing of incoming sensation before sending a neural message to the cortex
  12. 19. the process by which one form of energy is converted into another
Down
  1. 2. a process in which an overall hypothesis about or general conceptualization of a stimulus is applied to and influences the analysis of incoming stimulus data
  2. 3. the distance between successive peaks in a wave motion of a given frequency
  3. 5. the process or result of becoming aware of objects, relationships, and events by means of the senses, which includes such activities as recognizing, observing, and discriminating
  4. 7. denoting or relating to stimuli that are below the difference threshold or absolute threshold
  5. 9. the smallest difference between two stimuli that can be consistently and accurately detected on 50% of trials
  6. 10. in vision, a transparent, biconvex structure in the anterior portion of the eyeball that provides the fine, adjustable focus of the optical system
  7. 12. a branch of psychology that studies the relationship between the objective physical characteristics of a stimulus
  8. 20. the light-sensitive inner surface of the eye