Author Question: Retinal ganglion cells of the ON type described by Kuffler A) fire randomly to light and dark ... (Read 61 times)

Tazate · **on:** Jun 22, 2018

Retinal ganglion cells of the ON type described by Kuffler

A) fire randomly to light and dark conditions.
B) record an excitatory burst of potentials to a light placed within a circular center.
C) show suppressed numbers of potentials to a light placed within a circular center.
D) show an increased number of potentials when a light was placed onto a ring surrounding the center.
E) show a change in response rate to movement.

Question 2

The ________ pathways are important for the synchronization of locomotor activity to the light-dark cycle in rats.

A) retino-geniculate-cortical
B) retino-spinal
C) retino-pretectal
D) retino-hypothalamic
E) retino-cerebellar pathway

Missbam101 · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

Answer: B
Rationale: Retinal ganglion cells of the ON type described by Kuffler record an excitatory burst of potentials to a light placed within a circular center.

Answer to Question 2

Answer: D