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  Perceptual deficits and the activity of the color-opponent and broad-band pathways at isoluminance

Logothetis, N., Schiller, P., Charles, E., & Hurlbert, A. (1990). Perceptual deficits and the activity of the color-opponent and broad-band pathways at isoluminance. Science, 247(4939), 214-217. doi:10.1126/science.2294602.

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Logothetis, NK1, Author           
Schiller, PH, Author
Charles, ER, Author
Hurlbert, AC, Author
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1External Organizations, ou_persistent22              

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 Abstract: The deficits in texture, motion, and depth perception incurred in monkeys at isoluminance were compared with the responses of neurons of the color-opponent and broad-band systems in the lateral geniculate nucleus. Texture perception, assumed to be carried by the color-opponent system, and motion and depth perception, ascribed to the broad-band pathway, were all found to be compromised but not abolished at isoluminance. Correspondingly, both the color-opponent and the broad-band systems were affected at isoluminance, but the activity of the neurons in neither system was abolished. These results suggest that impairment of visual capacities at isoluminance cannot be uniquely attributed to either of these systems and that isoluminant stimuli are inappropriate for the psychophysical isolation of these pathways.

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 Dates: 1990-01
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 895
DOI: 10.1126/science.2294602
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Title: Science
  Other : Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 247 (4939) Sequence Number: - Start / End Page: 214 - 217 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1