The effect of stimulus visibility on visual field inhomogeneities. | Zendy

Linda D. Cameron | Zendy; Michael P. Levine | Zendy; Jennifer Anderson | Zendy

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The effect of stimulus visibility on visual field inhomogeneities.

Author(s) -

Linda D. Cameron,

Michael P. Levine,

Jennifer Anderson

Publication year - 2013

Publication title -

journal of vision

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.126

H-Index - 113

ISSN - 1534-7362

DOI - 10.1167/13.9.1161

Subject(s) - ellipse , meridian (astronomy) , visual field , optics , homogeneous , stimulus (psychology) , asymmetry , mathematics , spatial frequency , contrast (vision) , physics , artificial intelligence , geometry , psychology , computer science , combinatorics , cognitive psychology , astronomy , quantum mechanics

Stimuli • 0.5 and 8 cpd 2.0 deg. Gabor patches, tilted clockwise or counterclockwise, presented for 54 ms at one of 8 isoeccentric locations (4.5 deg. eccentricity) in one of 3 conditions: 2 deg tilt at “high” contrast 15 deg tilt at “medium” contrast 90 deg tilt at “low” contrast Task • 2–AFC orientation discrimination task • Prior to data collection established “baseline” parameters to obtain ~80% PC for each observer • 2000 trials per condition

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