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Quiz

2.3.1 - Concepts

Scott Hekking 14 perguntas Atualizado em 20 ago 2016

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Perguntas do quiz (14)

  1. 1The receptive field of a neuron is the
    1. Athe area in space when occupied by an appropriate stimulus affecting the firing rate or the activity of this neuron.
    2. Bthe area of neurons covering the area in the retina.
    3. Cthe area bound by the photoreceptors in which light is absorbed.
    4. Dthe collection of bipolar cells in the retina tasked with reacting to stimuli in that area of the eye.
  2. 2The size of receptive fields of retinal ganglion cells is determined by the degree of convergence and it increases with
    1. Aeccentricity.
    2. Bsize.
    3. Clength.
    4. Dvariability.
  3. 3There are two spatial configurations of Retinal Receptive Fields, Excitatory-Centre-Inhibitory surround and Inhibitory-Centre-Excitatory surround. What configuration relates respectively?
    1. AON centre - OFF surround
      OFF centre - ON surround
    2. BOFF centre - ON surround
      ON centre - OFF surround
  4. 4Single receptors in the eye are joined by a lateral plexus. They exhibit an opponent relationship known as
    1. Alateral inhibition.
    2. Blatent inhibition.
    3. Chorizontal inhibition.
    4. Drecepter inhibition.
  5. 5The amount of excitation/inhibition of a receptor depends on both the location and _____ of stimulation.
    1. Asize
    2. Bspeed
    3. Cdistance
    4. Dstrength
  6. 6The excitation in an On-Centre cell will be maximal if the stimulation covers entire receptive field centre and no surround. If the stimulation increases in size and starts to encompass the surround region, lateral inhibition causes what?
    1. ADecrease in response rate
    2. BIncrease in response rate
    3. CNo change in response rate
  7. 7The photo is an example of what?Imagem da pergunta 7
    1. ASimultaneous contrast
    2. BThe Hermann grid
    3. CMach bands
    4. DEdge enhancement
  8. 8The Hermann grid is an example of a luminance difference. Why do we see spots in our peripheral, but not our fovea?
    1. AThe ganglion cells have a smaller receptive field in the fovea
    2. BThe ganglion cells have a smaller receptive field in the periphery
    3. CThe ganglion cells in the fovea are more sensitive
    4. DThe ganglion cells in the periphery are more sensitive
  9. 9The photo is an example of what?Imagem da pergunta 9
    1. ASimultaneous contrast
    2. BMach bands
    3. CThe Hermann grid
    4. DEdge enhancement
  10. 10In receptive field size and sampling of variations in spatial stimulation, the sampling resolution is _____________ the scale.
    1. Ainversely proportional to
    2. Bproportional to
    3. Ctwo times the value of
    4. Dhalf the value of

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Descrição
Undergraduate 2 - PSYC2071 - Perception and Cognition (2.3 - Retinal Receptive Fields) Quiz sobre 2.3.1 - Concepts, criado por Scott Hekking em 05-08-2015.
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English
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Criado em 5 ago 2015 · atualizado em 20 ago 2016
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