How do simple cells acquire the property of orientation selectivity?

Convergence of geometrically aligned LGN receptive fields

Feedback from "grandmother" cells

Convergence of edge and bar detectors

The tilt after-effect implies that the perceived orientation of a pattern is:

Determined by the relative activity of many orientation channels

Governed by a winner take-all computational process

Shifted toward the orientation of the adapting pattern

Determined by the most active orientation channel

Respond more vigorously than either simple or complex cells

Are less orientation selective than simple cells

Is likely to result from operations at many stages of visual processing

Can be completely understood based on the receptive field properties of ganglion cells

Has no explanation based on retinal processes

Is closely related to the scintillating grid illusion

Intermediate spatial frequencies

Frequencies near the resolution limit

Quiz

Eloise C 6 questions Updated 17 Apr 2017

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1How do simple cells acquire the property of orientation selectivity?
1. AFeedback from "grandmother" cells
2. BInter-laminar inhibition
3. CConvergence of edge and bar detectors
4. DConvergence of geometrically aligned LGN receptive fields
2The tilt after-effect implies that the perceived orientation of a pattern is:
1. AGoverned by a winner take-all computational process
2. BShifted toward the orientation of the adapting pattern
3. CDetermined by the relative activity of many orientation channels
4. DDetermined by the most active orientation channel
3The term "spatial frequency" is most synonymous with:
1. AVisual acuity
2. BProcessing speed
3. CSpatial scale
4. DContrast sensitivity
4Hypercomplex cells:
1. AAre not found in V1
2. BRespond more vigorously than either simple or complex cells
3. CAre less orientation selective than simple cells
4. DAre tuned to stimulus length
5The visual illusion called the Hermann grid:
1. ACan be completely understood based on the receptive field properties of ganglion cells
2. BHas no explanation based on retinal processes
3. CIs likely to result from operations at many stages of visual processing
4. DIs closely related to the scintillating grid illusion
6Humans are most sensitive to:
1. AFrequencies near the resolution limit
2. BIntermediate spatial frequencies
3. CHigh spatial frequencies
4. DLow spatial frequencies

Description: 2 Perception (Week 6 - Spatial Vision) Quiz on Spatial Vision, created by Eloise C on 17/04/2017.
Author: Eloise C
Language: English
Views: 56
History: Created on 17 Apr 2017 · updated on 17 Apr 2017
Tags: spatial vision perception physical senses psychology chemical senses perception week 6 - spatial vision 2
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