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W11 Parallel Processing

Optom Life 10 questions

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Questions in this quiz (10)

  1. 1Recordings in the LGN from inputs from an ON-centre parasol ganglion cell would do what if APB was applied to the retina?
    1. ANo effect
    2. BIncreased response when the light is switched off within the central portion of the receptive field
    3. CDecrease the response when light is switched off within the central portion of the receptive field
    4. DAbolish the response when light is switched on within the central portion of the receptive field
  2. 2At present there is no clear anatomical or physiological explanation to fully describe the Red/Green opponent system in the human retina. True or false?
    1. ATrue
    2. BFalse
  3. 3The orientation and direction selectivity of complex cells in V1 are determined by intracortical connections not the ON and OFF pathways. True or False?
    1. ATrue
    2. BFalse
  4. 4The parasol ganglion cells compared to midget ganglion cells, are more sensitive to what type of stimulus?
    1. Astereopsis: 'depth perception'
    2. Bmotion
    3. Ccolour
    4. Dtexture
    5. Ehigh spatial frequencies
  5. 5Which statement about the distribution of parasol and midget ganglion cells is correct?
    1. AIn the far periphery there is an even distribution of parasol and midget ganglion cells
    2. BMidget and parasol ganglion cells are equally distributed across the retina
    3. CIn the far periphery parasol ganglion cells out number midget ganglion cells by 8:1
    4. DParasol ganglion cells dominate the fovea
    5. EIn the mid periphery parasol ganglion cells dominate
  6. 6The Accessory Optic System (AOS) is connects to the vestibular system to do what?
    1. AThe detection of rapid changes in luminance
    2. BThe detection of rapidly moving objects across the retina
    3. CRegulate the circadian rhythm or sleep/wake cycle through innervation to the pineal gland.
    4. Dthe perception of depth 'stereopsis'
    5. EThe detection of self motion and image stabilisation on the fovea
  7. 7Which ganglion cell class is responsible for the perception of blue?
    1. AParasol
    2. BW-type
    3. CMidget
    4. DSmall bistratified
  8. 8The main ion channel that is specifically expressed in the ON-Bipolar cell is?
    1. AiGluR
    2. BmGluR5
    3. CmGluR4
    4. DmGluR7
    5. EmGluR6
  9. 9Midget ganglion cells are required for which of the following discrimination tasks.
    1. Aflicker
    2. Blow contrast
    3. Clow spatial frequency
    4. Dmotion
    5. Ecolour
  10. 10The colour opponent system is comprised of what combination of wavelengths (L, M, S)
    1. AL/(L+M) and L/S
    2. BL/S and M/L
    3. CM/(L+S) and M/L
    4. DS/(M+L) and M/L
    5. EL/(M+S) and M/S

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Description
Normal Eye (Quiz) Quiz on W11 Parallel Processing, created by Optom Life on 20/06/2017.
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