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AP Psychology- Visual Anatomy

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13 cards

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Section 1

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Anatomy Science

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (13)

Section 1

(13 cards)

Cones

Front

Detect color; are concentrated in the fovea in the center of the retina.

Back

Brightness

Front

Comes from the intensity or amplitude of light.

Back

Blind Spot

Front

Point where optic nerve exits eye and where there are no photoreceptors. Stimuli that fall here cannot be seen.

Back

Afterimage

Front

Sensations that linger after the stimulus is removed.

Back

Color

Front

Also called hue. Does not exist outside the brain because it is a sensation that the brain creates based on the wavelengths of light striking our eyes.

Back

Visible Spectrum

Front

Tiny part of electromagnetic spectrum to which our eyes are sensitive.

Back

Intensity

Front

The amount of energy in light waves (amplitude).

Back

Young-Helmholtz Trichromatic Theory

Front

Three colors, cones sense red, green, and blue. Explains initial stages of color vision.

Back

Opponent-Process Theory

Front

Colors are processed in complementary pairs; red-yellow, green-blue, white-black. Red and green messages cannot travel at the same time; thus, we cannot experience a reddish-green.

Back

Rods

Front

Sensitive to dim light, but not colors; lets you see in the dark.

Back

Optic Nerve

Front

Bundle of neurons that carries visual information from the retina to the brain.

Back

Colorblindness

Front

Color deficiency or weakness. Red-green is most common. Can be both or only one eye. Recessive in females and passes on to male off-spring.

Back

Wavelength

Front

The distance from one wave peak to the next. Determines the hue.

Back