Exam 4: Visual System: The Brain

D.B.was a 34-year-old British computer programmer.Neurologists discovered a large tumor located in the primary visual cortex of his right hemisphere.What did researchers discover after the tumor was removed?

What is one difference between simple cells and complex cells?

Which LGN layers have the smallest cells?

Conjugate gaze palsies can be complications of which condition?

The presence of visual abilities in the absence of the visual cortex is known as ______.

Held and Hein raised kittens in complete darkness for a few weeks.After the initial period of darkness, the kittens were divided into two groups (passive or active).Both groups were still kept in darkness most of the day, but now spent an hour a day on a "kitten carousel." They found that ______.

The binocular depth cue that arises from the fact that the images of most objects that are in the visual scene do not fall on the same location of the retinae of the two eyes is known as ______.

Smooth pursuit eye movements allow the eyes to ______.

The second area in the visual cortex that receives input, often considered the area that starts with visual associations rather than processing the input, is called ______.

A pathway characterized by the retinal ganglion cells known as midget retinal ganglion cells and associated with high acuity is the ______ pathway.

Parasol retinal ganglion cells project to which layers of the LGN?

The bilateral structure in the thalamus that relays information from the optic nerve to the visual cortex is known as the ______.

The lateral geniculate nucleus has both magnocellular and parvocellular layers.

The region in the temporal lobe that receives input from the ventral visual pathway is called the ______ cortex.

Describe the location and anatomy of the optic chiasm.

One way that the magnocellular pathway differs from the parvocellular pathway is that the magnocellular pathway ______.

Area MT (V5) is associated with the ______ pathway.

Which of the following is a common result of scotoma?

A patient has suffered significant damage to V5.Which of the following is the most likely result?

Explain object agnosia in terms of dorsal and ventral system function.