Psychology week 4&5 - chapter 4

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anniemmarsh
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275795
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Psychology week 4&5 - chapter 4
Updated:
2014-06-01 08:30:18
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exam prep
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  1. Sensation is:
    the process by which sense organs gather information about the information and transmit it to the brain for initial processing
  2. Perception is:
    the process by which the brain selects, organises and interprets information
  3. Light is focused on the _____ by the _____, _____ & ______.
    retina, cornea, pupil, lens
  4. the retina:
    transduces a visual image into a code to be read by the brain
  5. The Young-Helmholtz or trichromatic theory is that the eye contains:
    three types of receptors that are most sensitive to wavelengths experienced as red, green or blue.
  6. opponent-process theory is:
    • the colours we experience reflect 3 antagonistic colour systems¬†
    • blue - yellow
    • red - green
    • black - white
  7. trandsuction of smell, or olfaction occurs in the:
    olfactory epithelium - a thin pair of structures at the top of the nasal cavities
  8. Transduction of taste occurs:
    in the tastebuds
  9. Transduction is:
    the process of converting stimulus information to neural impulses
  10. abseloute threshhold is:
    the minimum amount of energy needed for an observer to sense that a stimuli is present
  11. difference threshhold is:
    lowest level of stimulation required to sense that a change has occured
  12. sensory adaptation is:
    the tendency of sensory systems to respond less to stimuli that continue without change
  13. form perception is:
    the organisation of sensations into meaningful shapes and patterns. 




  14. depth or distance perception is:
    the organisation of perception in three dimensions 


  15. motion perception is
    the perception of movement

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