Affiliation:
1. Department of Psychology, University of Essex, Colchester, UK
Abstract
When driving at night, flickering automobile LED tail lights can appear as multiple images. The perception of a flickering source of light was therefore studied during rapid eye movements (saccades) of 20–40° amplitude in an otherwise dark room (<1 lux). The temporal modulation appeared as a spatial pattern known as a ‘phantom array’ during the saccade. The appearance of the pattern enabled the discrimination of flicker from steady light at frequencies that in 11 observers averaged 1.98 kHz. At a frequency of 120 Hz, the intrasaccadic pattern was perceptible when the contrast of the flicker exceeded 10%. It is possible that intrasaccadic stimulation interferes with ocular motor control.
Subject
Electrical and Electronic Engineering
Cited by
50 articles.
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