Chapter 6: Part 7 Flashcards
When referring to optic flow, what is the speed of flow referred to as?
The speed of flow is referred to as the gradiant of the flow. This provides information about how fast a person is moving.
A sensory receptor is a variant of a
neuron
What is the most rare form of dichromatism?
tritanopia
Explain what Young & Helholtz (as it was explained in the lecture) did in their original experiment?
Young & Helholtz conducted an experiment in which they had participants adjust three different wavelengths of light. They had to match their comparison field to the one on the test field. They had to adjust three wavelengths to match the one wavelength in the test field.
By changing the _______, _______, and the _________ you can make about a million different colors.
light, intensity, and saturation
The manner in which visual information is carried from the retina to the cortex results in…
information from one side of the visual field being transmitted to the opposite hemisphere.
The amount of light entering the eye is regulated by the size of the…
pupil
isual information from the retina is carried by ________ to the ________.
ganglion cell axons; thalamic dorsal lateral geniculate nucleus
The process of accommodation involves…
changes in the shape of the lens to focus on near or distant objects.
The optic disk is the location on the retina….
where axons leave the eye and join the optic nerve.
Damage limited to the fusiform region of the right hemisphere would be expected to impair the recognition of
faces
Rods are to cones as…
acuity at night, acuity at day
The intensity of a light stimulus corresponds to
light
