Psychophysical measurements of referenced and unreferenced motion processing using high-resolution retinal imaging | Zendy

Avesh Raghunandan | Zendy; J. T. Frasier | Zendy; S. Poonja | Zendy; Austin Roorda | Zendy; Scott B. Stevenson | Zendy

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Psychophysical measurements of referenced and unreferenced motion processing using high-resolution retinal imaging

Author(s) -

Avesh Raghunandan,

J. T. Frasier,

S. Poonja,

Austin Roorda,

Scott B. Stevenson

Publication year - 2008

Publication title -

journal of vision

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.126

H-Index - 113

ISSN - 1534-7362

DOI - 10.1167/8.14.14

Subject(s) - jitter , eye movement , fixation (population genetics) , computer vision , physics , optics , motion perception , artificial intelligence , motion (physics) , computer science , biology , telecommunications , biochemistry , gene

Motion detection thresholds with a stationary frame of reference are significantly lower than unreferenced motion thresholds. To account for this, previous studies have postulated the existence of compensatory mechanisms, driven by the presence of a surround, that cancel the effects of eye movements. In the present study we used an adaptive optics scanning laser ophthalmoscope (AOSLO) to investigate the effects of retinal jitter due to fixation eye movements on referenced and unreferenced motion thresholds.

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