Population receptive field dynamics in human visual cortex

Koen V Haak; Frans W Cornelissen; Antony B Morland; Antony Morland

doi:10.1371/journal.pone.0037686

Population receptive field dynamics in human visual cortex

Koen V Haak, Frans W Cornelissen, Antony B Morland, Antony Morland

Psychology

Research output: Contribution to journal › Article › peer-review

Abstract

Seminal work in the early nineties revealed that the visual receptive field of neurons in cat primary visual cortex can change in location and size when artificial scotomas are applied. Recent work now suggests that these single neuron receptive field dynamics also pertain to the neuronal population receptive field (pRF) that can be measured in humans with functional magnetic resonance imaging (fMRI). To examine this further, we estimated the pRF in twelve healthy participants while masking the central portion of the visual field. We found that the pRF changes in location and size for two differently sized artificial scotomas, and that these pRF dynamics are most likely due to a combination of the neuronal receptive field position and size scatter as well as modulatory feedback signals from extrastriate visual areas.

Original language	English
Article number	e37686
Journal	PLoS ONE
Volume	7
Issue number	5
DOIs	https://doi.org/10.1371/journal.pone.0037686
Publication status	Published - 23 May 2012

Keywords

Visual Cortex
Magnetic Resonance Imaging
Photic Stimulation
Humans
Scotoma
Visual Fields
Photoreceptor Cells, Vertebrate

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10.1371/journal.pone.0037686

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abstract = "Seminal work in the early nineties revealed that the visual receptive field of neurons in cat primary visual cortex can change in location and size when artificial scotomas are applied. Recent work now suggests that these single neuron receptive field dynamics also pertain to the neuronal population receptive field (pRF) that can be measured in humans with functional magnetic resonance imaging (fMRI). To examine this further, we estimated the pRF in twelve healthy participants while masking the central portion of the visual field. We found that the pRF changes in location and size for two differently sized artificial scotomas, and that these pRF dynamics are most likely due to a combination of the neuronal receptive field position and size scatter as well as modulatory feedback signals from extrastriate visual areas.",

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Population receptive field dynamics in human visual cortex

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Keywords

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C2D2 research 1a - Understanding human visual cortical connectivity in health and chronic disease

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Population receptive field dynamics in human visual cortex

Abstract

Keywords

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C2D2 research 1a - Understanding human visual cortical connectivity in health and chronic disease

Cite this