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Basic Vision text
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Questions in this quiz (19)
1Baseline activity level occurs when
- Aa neuron is firing low signals
- Bthe neuron is at rest
- Cthe neuron is firing an action potential
2Why are ON OFF cells antagonistic?
- Athe surround does the same as the centre
- Bthe surround does the opposite to the centre
3What is lateral inhibition
- Awhen cells are inhibitory in a straight line
- Bwhen all cells are inhibitory
- Cthe antagonism of responses
4What is a sustained response?
- Acell firing with light on and cell stop firing with light off
- Ba burst of firing when the light is turned on/off
- Ccell firing sustainably and gradually over time
5what is it called when a stimulus causes a burst of firing when a stimulus is turned on/off?
- Aaction potential
- Bsustained response
- Ctransient response
- Dtransverse response
6what is a tremor?
- Aa shake
- Bsmall random movements
- Csmall discrete movements
7How many eyes = binocular?
- Aone
- Btwo
8what is retinal disparity?
- Athe space between our eyes that allows for depth perception
- Bthe space between our eyes
- Cthe difference between the right and left eye
9what is positive disparity
- Aimages that are close up
- Bimages that are far away
- Cjust the right eye
- Djust the left eye
10what is negative disparity?
- Aimages that are close up
- Bcrossed disparity
- Cwhen the neurons are inhibitory
11stereopsis
- Ausing retinal disparity information to get a strong impression of depth
- Bbeing able to read stereograms
- Cusing retinal disparity to interpret a situation
12what do red/green anaglyphs do?
- Acombines pictures to make a 3D scene
- Bmakes images appear closer
- Cmakes an image that was once 2D into 3D
13what do stereoscopes do?
- Auses mirrors or lenses to give depth
- Buses lenses to magnify images
- CThis binocular like device (e.g. viewmaster) is used to view images in 3D
14What is free fusion?
- Afusing two images together to create one whole one
- Bfusing two images together to create an illusion
- CA simple stereogram that can be used to achieve a 3D percept
- DA simple stereogram that can be used to achieve a 3D percept from crossing your eyes
15What is the correspondence problem?
- Afinding the similar parts of the image between the right and left eyes to calculate disparity
- Bfinding dissimilar parts of the image between the right and left eyes to calculate disparity
- Cwhen both eyes work together and create an image that is not really there
16striate cortex aka
- AV1
- BV2
- CV3
- DV4
17what is motion parallax?
- Aobjects at different depths appear to move as we do
- Bobjects moving at different speeds
- Cobjects that have different depth cues
18what are some examples of depth cues?
- Asize, shading, pictorial, aerial perspective
- Bsize, shading, shadows, imaging
- Csize, mirroring, shadows, imaging
19what is emmert's law?
- Aafter image
- Bbefore image
Information
- Description
- Snowden et al chapters 1-10 and 13
- Author
- Jaci Anna
- Language
- English
- Views
- 20
- Tags
- Rating
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