Exam 6: Vision

Cones are responsible for _________ vision,which refers to our ability to see in _________ light.

Which of the following structures is actually a clear extension of the sclera?

Ganglion receptive fields

How many major layers are found in the lateral geniculate nucleus?

Researchers are training pigeons to peck to receive food pellets when they see gratings but withhold their pecks to receive pellets when they see a uniform gray circle.This procedure will help the researchers determine

The cornea obtains nutrients from

Information about vision travels from the retina to the ____________________ and the ____________________ cortex.

Colorblind people actually do see color,but they will match colors differently than people who have typical trichromatic vision.

Areas MT and MST are important parts of the ventral stream,and participate in the visual recognition of familiar objects and people.

While recording from a bipolar cell with a center-on surround-off receptive field,you shine a light on the entire receptive field.What will you observe in your recording?

Tears shed in response to emotional events _________ tears shed while peeling onions.

Moving from the fovea to the outer margins of the retina,

A region of blindness in the visual field of patients with cortical damage is known as a(n)

Define lateral inhibition.

The magnocellular pathway projects to the

Crying in response to emotional events might be especially useful in

Relative to the actual image being viewed,the image reflected on the retina of the eye is

Within the visible light spectrum,shorter wavelengths are perceived as_________,whereas longer wavelengths are perceived as _________.

Large amplitude waves of light are interpreted as

Compare and contrast the receptive fields of retinal cells (bipolar and ganglion cells)with cortical receptive fields.