Light reception

2/26/02


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Table of Contents

Light reception

Rhodopsin

Photoreceptors

Photoreceptor differences

Photoreceptor evolution

Evolution of eyes

Camera vs compound eyes

Eye number variation

Cell circuitry in the retina

Contrast enhancement

Lateral inhibition

Color detecting photoreceptors

Dichromat perception logic

Dichromat perception

Trichromat perception

Trichromat spectral response

Hue space (2D-3D-4D)

Bees are also trichromats

Flowers reflect UV

Human vs bee UV sensitivity

Pigment sensitivity in fishes

Stomatopods can have 16 photoreceptor types

The perfect eye

Light sensitivity and eye design

Resolution and eye design

Accomodation and eye design

Spatial discrimination

Spider eyes

Binocular vision

Temporal discrimination

Author: Jerry Wilkinson

Email: gw10@umail.umd.edu

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