cueFlash

Glossary of Psych 330 Vision

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Created by mstapleton

What are the 2 dimensions of color?
1. Hue- dominant wavelength, "color"

2. Brightness- intensity, dark- light

Sclera
Forms "white eyeball"
Iris
Colored opens/ closes to let light through a hole, the pupil
Lens
Focuses Light
Retina
Light energy initiates neural activity
Fovea
At the center of the retina, region of sharpest vision and has the densest distribution of photoreceptors specialized for color
Blind Spot/ Optic Disk
where blood vessels enter the eye/ optic nerve- exit the eye
Characteristics of the retina
Light sensitive surface

Back of the eye

Contains modified neurons



Cones
Coned/ rounded outer segment

Responsive to bright light

Mainly for day vision





Rods
Cylindracal outer segment

Responsive for wide range of color

Mainly for night vision



Retinal Ganglion Cells

Which kind are related to cones?

Give rise to optic nerve

P-Cells are sensitive to color

Amacrine Cells
Link bipolar cells with RGC

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