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ToolsForder, L., Bosten, J., He, X. and Franklin, A., 2017. A neural signature of the unique hues. Scientific Reports, 7, 42364.
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DOI: 10.1038/srep42364
Abstract
Since at least the 17th century there has been the idea that there are four simple and perceptually pure “unique” hues: red, yellow, green, and blue, and that all other hues are perceived as mixtures of these four hues. However, sustained scientific investigation has not yet provided solid evidence for a neural representation that separates the unique hues from other colors. We measured event-related potentials elicited from unique hues and the ‘intermediate’ hues in between them. We find a neural signature of the unique hues 230 ms after stimulus onset at a post-perceptual stage of visual processing. Specifically, the posterior P2 component over the parieto-occipital lobe peaked significantly earlier for the unique than for the intermediate hues (Z = -2.9, p = .004). Having identified a neural marker for unique hues, fundamental questions about the contribution of neural hardwiring, language and environment to the unique hues can now be addressed.
| Item Type: | Article |
|---|---|
| ISSN: | 2045-2322 |
| Uncontrolled Keywords: | Human behaviour; Perception |
| Group: | Faculty of Science & Technology |
| ID Code: | 27072 |
| Deposited By: | Symplectic RT2 |
| Deposited On: | 20 Feb 2017 12:48 |
| Last Modified: | 14 Mar 2022 14:02 |
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