When Purple Perceived Only at Fixation: A Fixation and Distance-Dependent Color Illusion
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914091167121408 |
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| author | Schulz-Hildebrandt, Hinnerk |
| author_facet | Schulz-Hildebrandt, Hinnerk |
| contents | In this paper a novel optical illusion is described in which purple structures are perceived as purple at the point of fixation, while the surrounding structures of the same purple color are perceived toward a blue hue. As the viewing distance increases, a greater number of purple structures revert to a purple appearance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_11582 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | When Purple Perceived Only at Fixation: A Fixation and Distance-Dependent Color Illusion Schulz-Hildebrandt, Hinnerk Optics Neurons and Cognition 78-04 I.4.8; H.1.2 In this paper a novel optical illusion is described in which purple structures are perceived as purple at the point of fixation, while the surrounding structures of the same purple color are perceived toward a blue hue. As the viewing distance increases, a greater number of purple structures revert to a purple appearance. |
| title | When Purple Perceived Only at Fixation: A Fixation and Distance-Dependent Color Illusion |
| topic | Optics Neurons and Cognition 78-04 I.4.8; H.1.2 |
| url | https://arxiv.org/abs/2509.11582 |