The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Motion Opponency in Visual Cortex
Open accessAbstract
Perceptual studies suggest that visual motion perception is mediated by opponent mechanisms that correspond to mutually suppressive populations of neurons sensitive to motions in opposite directions. We tested for a neuronal correlate of motion opponency using functional magnetic resonance imaging (fMRI) to measure brain activity in human visual cortex. There was strong motion opponency in a secondary visual cortical area known as the human MT complex (MT+), but there was little evidence of motion opponency in primary visual cortex. To determine whether the level of opponency in human and monkey are comparable, a variant of these experiments was performed using multiunit electrophysiological recording in areas MT and MST of the macaque monkey brain. Although there was substantial variability in the degree of opponency between recording sites, the monkey and human data were qualitatively similar on average. These results provide further evidence that: (1) direction-selective signals underly human MT+ responses, (2) neuronal signals in human MT+ support visual motion perception, (3) human MT+ is homologous to macaque monkey MT and adjacent motion sensitive brain areas, and (4) that fMRI measurements are correlated with average spiking activity.
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Cites
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“The Simoncelli‐Heeger model posits a particular kind of divisive suppression in V1 in which the response of each individual V1 neuron is divided by a quantity proportional to the summed activity of a large pool of neighboring neurons (Robson, 1988; Bonds, 1989; Albrecht and Geisler, 1991; DeAngelis et al., 1992; Heege…”
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Self-citation
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Stevens' Handbook of Experimental Psychology
(2002) · Wiley eBooks · doi:10.1002/0471214426 · Cited by 1,632
Consciousness, accessibility, and the mesh between psychology and neuroscience
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The anatomical basis of functional localization in the cortex
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Two neural correlates of consciousness
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Metadata
- Authors
- Heeger, D. J., Boynton, G. M., Demb, J. B., Seidemann, E., & Newsome, W. T.
- Venue
- The Journal of Neuroscience
- Publisher
- Society for Neuroscience
- Published
- 1999-08-15
- Volume
- 19
- Issue
- 16
- Pages
- 7162-7174
- ISSN
- 0270-6474 (ISSN-L)
- 1529-2401
- OpenAlex
- W2127573333
- Cited by
- 282
- References
- 8
- FWCI
- 9.45
- Type
- journal article
- Language
- en
- Open access
- bronze
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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