dc.contributor.author |
Nahmad-Rohen, Luis |
|
dc.contributor.author |
Vorobyev, Misha |
|
dc.coverage.spatial |
Switzerland |
|
dc.date.accessioned |
2021-04-22T00:55:30Z |
|
dc.date.available |
2021-04-22T00:55:30Z |
|
dc.date.issued |
2020-1 |
|
dc.identifier.citation |
Frontiers in physiology 11:379 Jan 2020 |
|
dc.identifier.issn |
1664-042X |
|
dc.identifier.uri |
https://hdl.handle.net/2292/54963 |
|
dc.description.abstract |
While color vision is achieved by comparison of signals of photoreceptors tuned to different parts of light spectra, polarization vision is achieved by comparison of signals of photoreceptors tuned to different orientations of the electric field component of visible light. Therefore, it has been suggested that polarization vision is similar to color vision. In most animals that have color vision, the shape of luminance contrast sensitivity curve differs from the shape of chromatic contrast sensitivity curve. While luminance contrast sensitivity typically decreases at low spatial frequency due to lateral inhibition, chromatic contrast sensitivity generally remains high at low spatial frequency. To find out if the processing of polarization signals is similar to the processing of chromatic signals, we measured the polarization and luminance contrast sensitivity dependence in a color-blind animal with well-developed polarization vision, Octopus tetricus. We demonstrate that, in Octopus tetricus, both luminance and polarization contrast sensitivity decrease at low spatial frequency and peak at the same spatial frequency (0.3 cpd). These results suggest that, in octopus, polarization and luminance signals are processed via similar pathways. |
|
dc.format.medium |
Electronic-eCollection |
|
dc.language |
eng |
|
dc.publisher |
Frontiers Media SA |
|
dc.relation.ispartofseries |
Frontiers in physiology |
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dc.rights |
Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. |
|
dc.rights.uri |
https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm |
|
dc.rights.uri |
https://creativecommons.org/licenses/by/4.0/ |
|
dc.rights.uri |
https://www.frontiersin.org/about/policies-and-publication-ethics |
|
dc.subject |
chromatic vision |
|
dc.subject |
contrast sensitivity |
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dc.subject |
octopus behavior |
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dc.subject |
octopus vision |
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dc.subject |
polarization sensitivity |
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dc.subject |
polarization vision |
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dc.subject |
Science & Technology |
|
dc.subject |
Life Sciences & Biomedicine |
|
dc.subject |
Physiology |
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dc.subject |
octopus vision |
|
dc.subject |
octopus behavior |
|
dc.subject |
polarization vision |
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dc.subject |
contrast sensitivity |
|
dc.subject |
polarization sensitivity |
|
dc.subject |
chromatic vision |
|
dc.subject |
LIGHT REFLECTIONS |
|
dc.subject |
COLOR-VISION |
|
dc.subject |
E-VECTOR |
|
dc.subject |
DISCRIMINATION |
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dc.subject |
CUTTLEFISH |
|
dc.subject |
CEPHALOPODS |
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dc.subject |
SYSTEM |
|
dc.subject |
MATURATION |
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dc.subject |
STIMULI |
|
dc.subject |
ACUITY |
|
dc.subject |
0606 Physiology |
|
dc.subject |
1116 Medical Physiology |
|
dc.subject |
1701 Psychology |
|
dc.title |
Spatial Contrast Sensitivity to Polarization and Luminance in Octopus. |
|
dc.type |
Journal Article |
|
dc.identifier.doi |
10.3389/fphys.2020.00379 |
|
pubs.begin-page |
379 |
|
pubs.volume |
11 |
|
dc.date.updated |
2021-03-11T23:14:26Z |
|
dc.rights.holder |
Copyright: The author |
en |
pubs.author-url |
https://www.ncbi.nlm.nih.gov/pubmed/32425808 |
|
pubs.publication-status |
Published |
|
dc.rights.accessrights |
http://purl.org/eprint/accessRights/OpenAccess |
en |
pubs.subtype |
research-article |
|
pubs.subtype |
Journal Article |
|
pubs.elements-id |
802084 |
|
dc.identifier.eissn |
1664-042X |
|
pubs.number |
ARTN 379 |
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pubs.online-publication-date |
2020-4-28 |
|