An afterimage looks larger when one fixates on a distant than on a closer surface. We show that the retinotopic activity in the primary visual cortex (V1) associated with viewing an afterimage is modulated by perceived size, even when the size of the retinal image remains constant. This suggests that V1 has an important role in size constancy when the viewing distance of the stimulus changes.
Retinotopic activity in V1 reflects the perceived not the retinal size of an afterimage / Sperandio, I; Chouinard, P; Goodale, Ma. - In: NATURE NEUROSCIENCE. - ISSN 1097-6256. - STAMPA. - 15:4(2012), pp. 540-542. [10.1038/nn.3069]
Retinotopic activity in V1 reflects the perceived not the retinal size of an afterimage
Sperandio I;
2012-01-01
Abstract
An afterimage looks larger when one fixates on a distant than on a closer surface. We show that the retinotopic activity in the primary visual cortex (V1) associated with viewing an afterimage is modulated by perceived size, even when the size of the retinal image remains constant. This suggests that V1 has an important role in size constancy when the viewing distance of the stimulus changes.| File | Dimensione | Formato | |
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