The primate retina
a. contains four photopigments.
b. contains five photopigments.
c. has one type of cone and three types of rods.
d. uses rods to make fine acuity distinctions.
e. is composed of alternating layers of rods and cones.
Question 2
A microelectrode inserted into a cat retinal ganglion cell of the ON cell type described by Kuffler would
a. show a change in response rate to rapid movements of a dark spot.
b. record an excitatory burst of potentials to a light placed within a circular center.
c. record a decreased number 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. result in random action potentials.
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti
The primate dental formula illustrated for (a) the lower dentition of an Old World monkey and (b) th
Modern primate study sometimes involves high-tech methods. This golden lion tamarin is having a batt
Rods and cones, the photoreceptors in the retina
Structure of the retina