Orientation decoding in humans -- evidence for a columnar contribution?
نویسندگان
چکیده
منابع مشابه
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متن کاملOrientation decoding depends on maps, not columns.
The representation of orientation in primary visual cortex (V1) has been examined at a fine spatial scale corresponding to the columnar architecture. We present functional magnetic resonance imaging (fMRI) measurements providing evidence for a topographic map of orientation preference in human V1 at a much coarser scale, in register with the angular-position component of the retinotopic map of ...
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Multivariate pattern analysis can be used to decode the orientation of a viewed grating from fMRI signals in early visual areas. Although some studies have reported identifying multiple sources of the orientation information that make decoding possible, a recent study argued that orientation decoding is only possible because of a single source: a coarse-scale retinotopically organized preferenc...
متن کاملOlfactory Orientation and Navigation in Humans
Although predicted by theory, there is no direct evidence that an animal can define an arbitrary location in space as a coordinate location on an odor grid. Here we show that humans can do so. Using a spatial match-to-sample procedure, humans were led to a random location within a room diffused with two odors. After brief sampling and spatial disorientation, they had to return to this location....
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2013
ISSN: 1534-7362
DOI: 10.1167/13.9.1385