Sample Questions

Question 1

L20. Saccades

During a saccade, there is:

Answer 1

only suppression, no enhancement

Question 2

L20. Saccades

What is backward masking?

Answer 2

Combined saccadic suppression and post-saccadic enhancement lead to omission of the image during the saccade

Question 3

L23. Visual cortex

Visual Neglect

Answer 3

Forget half your visual field. Mostly associated with lesion in the right hemisphere.
Right parietal cortex is believed to control attention of both hemifields whereas the left only controls the right hemifield.

Question 4

Epiretinal cells closest to the GC.

Suprachoroidal placement is located where?

Answer 4

Suprachoroidal placement is located between the sclera and the choroid

Question 5

Marerial used in the electrodes of prostheses?

Answer 5

Diamond and Platinum

Question 6

Binding problem?

Answer 6

Different aspects of a visual stimulus are processed in difference regions of the visual system. Combining all of these features into one integrated image is called the binding problem.
This is what the parietal cortex and our attention spotlight is vital for - it chooses the visual field location that will be focused on for further processing.