Visual System Flashcards
Where in the eyeball would you find the cornea?
At the front of the eye
Retinal ganglion cells can be:
On centre/off surround and off centre/on surround
There are two types of photoreceptor cell in the retina one type is cones…
One type is cones and there are more of these in the central part of the retina known as the macula
The lateral geniculate nucleus (LGN) can be found in which part of the brain:
The thalamus
The magnocellular pathway encodes:
“where” information, and is fast
The visual cortex and visual association cortex are located in which lobe of the brain?
Occipital
Which of the following provides support for the Opponent Process Theory of colour vision?
After images
Trichromatic theory proposes that we have colour receptors in:
Red, green and blue
How do we perceive yellow?
Yellow on/blue off cells colour opponent cells in the LGN
The cortical modules in the visual cortex contain:
Orientation columns and Ocular dominance columns
The “what is it” ventral route of visual processing is situated:
In the temporal lobe
The “where is it” or “how” dorsal route of visual processing is situated:
In the parietal lobe
Which of the following is a characteristic of Balint’s syndrome?
An inability to shift gaze and see the totality of a scene or picture
Damage to the ventral visual pathway can cause:
Prosopagnosia
A patient with damage to their parietal lobe might suffer from:
Simultagnosia and unilateral neglect
