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Topographical Estimation of Visual Population Receptive Fields by fMRI

DOI :

10.3791/51811-v

February 3rd, 2015

February 3rd, 2015

9,018 Views

1Department of Neuroscience and Neurology, Baylor College of Medicine, 2Max Planck Institute for Biological Cybernetics, 3Bernstein Center for Computational Neuroscience

It is important to obtain unbiased estimates of visual population receptive fields (pRFs) by functional magnetic resonance imaging. We use mild regularization constraints to estimate pRF topography without a-priori assumptions about pRF shape, allowing us to choose specific pRF models post-hoc. This is particularly advantageous in subjects with visual-pathway lesions.

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