Losing sight of the bigger picture: peripheral field loss compresses representations of space.
Three experiments examine how the peripheral visual field (PVF) mediates the development of spatial representations. In Experiment 1 participants learned and were tested on statue locations in a virtual environment while their field-of-view (FOV) was restricted to 40 degrees , 20 degrees , 10 degrees , or 0 degrees (diam). As FOV decreased, overall placement errors, estimated distances, and angular offsets increased. Experiment 2 showed large compressions but no effect of FOV for perceptual estimates of statue locations. Experiment 3 showed an association between FOV size and proprioception influence. These results suggest the PVF provides important global spatial information used in the development of spatial representations.
Fortenbaugh
Francesca C
FC
The Wilmer Eye Institute, Johns Hopkins University, Lions Vision Center, 500 N. Broadway, 6th FL, Baltimore, MD 21205, USA.
Hicks
John C
JC
Hao
Lei
L
Turano
Kathleen A
KA
D000328:Adult; D004215:Distance Perception / Q000502:physiology; D005260:Female; D005403:Fixation, Ocular / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010775:Photic Stimulation / Q000379:methods; D011434:Proprioception / Q000502:physiology; D011597:Psychomotor Performance; D013028:Space Perception / Q000502:physiology*; D014794:Visual Fields / Q000502:physiology*; D016138:Walking / Q000502:physiology
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