Cat colour vision: evidence for more than one cone process
1. The ability of cats to distinguish colours was investigated at mesopic and photopic levels to test the hypothesis that cats discriminate wavelength by using rods in conjunction with a single type of cone. 2. Cats were trained to distinguish red from cyan, and orange from cyan at the mesopic level...
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| Veröffentlicht in: | The Journal of physiology 1970-11, Vol.211 (1), p.125-137 |
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| container_title | The Journal of physiology |
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| creator | Daw, N. W. Pearlman, A. L. |
| description | 1. The ability of cats to distinguish colours was investigated at mesopic and photopic levels to test the hypothesis that
cats discriminate wavelength by using rods in conjunction with a single type of cone.
2. Cats were trained to distinguish red from cyan, and orange from cyan at the mesopic level. They retained the ability to
make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.
3. One cat was also tested after being exposed to a bright white light of 9000 cd/m 2 for a period of 5 min, and found able to distinguish red from cyan.
4. These results suggest that cats have more than one type of cone. Subsequent recordings from single units in the lateral
geniculate nucleus showed that there are rare opponent colour units in layer B with input from a green-absorbing cone and
a blue-absorbing cone. |
| doi_str_mv | 10.1113/jphysiol.1970.sp009270 |
| format | Article |
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cats discriminate wavelength by using rods in conjunction with a single type of cone.
2. Cats were trained to distinguish red from cyan, and orange from cyan at the mesopic level. They retained the ability to
make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.
3. One cat was also tested after being exposed to a bright white light of 9000 cd/m 2 for a period of 5 min, and found able to distinguish red from cyan.
4. These results suggest that cats have more than one type of cone. Subsequent recordings from single units in the lateral
geniculate nucleus showed that there are rare opponent colour units in layer B with input from a green-absorbing cone and
a blue-absorbing cone.</description><identifier>ISSN: 0022-3751</identifier><identifier>EISSN: 1469-7793</identifier><identifier>DOI: 10.1113/jphysiol.1970.sp009270</identifier><identifier>PMID: 5500987</identifier><language>eng</language><publisher>England: The Physiological Society</publisher><subject>Adaptation, Ocular ; Animals ; Cats - physiology ; Color Perception ; Conditioning, Operant</subject><ispartof>The Journal of physiology, 1970-11, Vol.211 (1), p.125-137</ispartof><rights>1970 The Physiological Society</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5005-a5d72acfd4e80dde0b3f9872cee05709aefa6f1b6755824b0c04e2ed660d3253</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1395586/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1395586/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,727,780,784,885,1417,27924,27925,45574,45575,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/5500987$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Daw, N. W.</creatorcontrib><creatorcontrib>Pearlman, A. L.</creatorcontrib><title>Cat colour vision: evidence for more than one cone process</title><title>The Journal of physiology</title><addtitle>J Physiol</addtitle><description>1. The ability of cats to distinguish colours was investigated at mesopic and photopic levels to test the hypothesis that
cats discriminate wavelength by using rods in conjunction with a single type of cone.
2. Cats were trained to distinguish red from cyan, and orange from cyan at the mesopic level. They retained the ability to
make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.
3. One cat was also tested after being exposed to a bright white light of 9000 cd/m 2 for a period of 5 min, and found able to distinguish red from cyan.
4. These results suggest that cats have more than one type of cone. Subsequent recordings from single units in the lateral
geniculate nucleus showed that there are rare opponent colour units in layer B with input from a green-absorbing cone and
a blue-absorbing cone.</description><subject>Adaptation, Ocular</subject><subject>Animals</subject><subject>Cats - physiology</subject><subject>Color Perception</subject><subject>Conditioning, Operant</subject><issn>0022-3751</issn><issn>1469-7793</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1970</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkEtP6zAQRi10Ebc8fgJXWV1WKWOnjmMWSFDxFBIsurdcZ0KM0jjYaVH_PS4pCHbIki3NnDljfYT8ozCmlGanL129DtY1YyoFjEMHIJmAHTKik1ymQsjsDxkBMJZmgtO_ZD-EFwCagZR7ZI_zyBdiRM6muk-Ma9zSJysbhe1ZgitbYmswqZxPFs5j0te6TVyLkYxX553BEA7JbqWbgEfb94DMrq9m09v04fHmbnrxkJq4hKeal4JpU5UTLKAsEeZZFVczgwhcgNRY6byi81xwXrDJHAxMkGGZ51BmjGcH5HzQdsv5AkuDbe91ozpvF9qvldNW_ey0tlbPbqVoJqMxj4L_W4F3r0sMvVrYYLBpdItuGVQBopAiLyKYD6DxLgSP1dcSCmoTuvoMXW1CV5-hx8Hj71_8GtumHPuXQ__NNrj-pVXN7p82BRYZ-pHDySCp7XP9Zj2qYSw4Y7Ffq8ipeCL5DqLBpI4</recordid><startdate>19701101</startdate><enddate>19701101</enddate><creator>Daw, N. W.</creator><creator>Pearlman, A. L.</creator><general>The Physiological Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>19701101</creationdate><title>Cat colour vision: evidence for more than one cone process</title><author>Daw, N. W. ; Pearlman, A. L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5005-a5d72acfd4e80dde0b3f9872cee05709aefa6f1b6755824b0c04e2ed660d3253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1970</creationdate><topic>Adaptation, Ocular</topic><topic>Animals</topic><topic>Cats - physiology</topic><topic>Color Perception</topic><topic>Conditioning, Operant</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Daw, N. W.</creatorcontrib><creatorcontrib>Pearlman, A. L.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>The Journal of physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Daw, N. W.</au><au>Pearlman, A. L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cat colour vision: evidence for more than one cone process</atitle><jtitle>The Journal of physiology</jtitle><addtitle>J Physiol</addtitle><date>1970-11-01</date><risdate>1970</risdate><volume>211</volume><issue>1</issue><spage>125</spage><epage>137</epage><pages>125-137</pages><issn>0022-3751</issn><eissn>1469-7793</eissn><abstract>1. The ability of cats to distinguish colours was investigated at mesopic and photopic levels to test the hypothesis that
cats discriminate wavelength by using rods in conjunction with a single type of cone.
2. Cats were trained to distinguish red from cyan, and orange from cyan at the mesopic level. They retained the ability to
make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.
3. One cat was also tested after being exposed to a bright white light of 9000 cd/m 2 for a period of 5 min, and found able to distinguish red from cyan.
4. These results suggest that cats have more than one type of cone. Subsequent recordings from single units in the lateral
geniculate nucleus showed that there are rare opponent colour units in layer B with input from a green-absorbing cone and
a blue-absorbing cone.</abstract><cop>England</cop><pub>The Physiological Society</pub><pmid>5500987</pmid><doi>10.1113/jphysiol.1970.sp009270</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0022-3751 |
| ispartof | The Journal of physiology, 1970-11, Vol.211 (1), p.125-137 |
| issn | 0022-3751 1469-7793 |
| language | eng |
| recordid | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_1395586 |
| source | MEDLINE; Access via Wiley Online Library; EZB-FREE-00999 freely available EZB journals; PubMed Central; Alma/SFX Local Collection |
| subjects | Adaptation, Ocular Animals Cats - physiology Color Perception Conditioning, Operant |
| title | Cat colour vision: evidence for more than one cone process |
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