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Spatial-frequency tuning in the pooling of one-and two- dimensional motion signals

Amano, Kaoru; Edwards, Mark; Badcock, David Russell; Nishida, Shin'ya


Cortical neurons that initially extract motion signals have small receptive-fields, and narrow orientation- and bandpass-spatial-frequency tuning. Accurate extraction of the veridical motion of objects typically requires the global pooling of the output of multiple local-motion units across orientation and space. We examined whether the narrow spatial-frequency tuning present at the local-motion level is preserved at the global-motion-pooling stage. Stimuli consisted of numerous drifting Gabor...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Vision Research
DOI: 10.1016/j.visres.2009.08.026


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