Visual System: Photons, Reception, and Eye Movements, Slides of Brain and Cognitive Science

Various aspects of the visual system, including the behavior of photons, the role of different types of ganglion cells, and the function of eye movements. Topics covered include the energy of a photon, photon inter-arrival time, direction of light, eccentricity, and the competing goals for visual system design. The document also discusses the task and stimuli, measuring behavioral responses, and relating neuron responses to behavior.

Typology: Slides

2011/2012

Uploaded on 12/21/2012

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Visual System

Photons and the Randomness of Light

Energy of a photon:

J λ = ch λ

Photon inter-arrival time:

[ ] 1

t P W t e

− γ ≤ = −

Number of photons in a fixed time interval:

( ) 0,1, 2, !

z e p z z z

α

− = = 

α =γ t

direction of light

direction of light

direction of light