Effects of background color on detecting spot stimuli in the upper and lower visual fields

Brain and Cognition
Goro MaeharaChikashi Michimata

Abstract

Participants were required to detect spot stimuli briefly presented to the upper, central, or lower visual fields. The stimuli were presented either on a green or a red background. Results showed that reaction time (RT) was shorter for the lower visual field (LVF) compared to the upper visual field (UVF). Furthermore, this LVF advantage was significantly reduced in the red background condition compared to the green one. A red light is known to suppress activity of the magno-dominated stream. Therefore, the LVF advantage in RT can be explained as resulting from the biased representation of the magno-dominated stream in the LVF.

References

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Citations

Aug 28, 2012·The Journal of Genetic Psychology·Carl Gabbard, Alberto Cordova
Oct 26, 2007·Behavior Research Methods·Timothy R JordanRichard P Tonkin
Apr 22, 2015·Disability and Rehabilitation·Yang-Teng FanKeh-Chung Lin
Dec 26, 2009·Vision Research·Shephali PatelWilliam H Swanson

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