Resolution of a Paradox with After Images
Two weeks ago I described the results of flash bleaching the retina with a bright uniform field seen through a set of neutral filters as shown in Fig. 1 b . Ten minutes later cones had quite recovered and only rods contributed to the after image. This was observed by briefly opening the eyes from ti...
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| Veröffentlicht in: | Nature (London) 1971-12, Vol.234 (5331), p.546-547 |
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| creator | RUSHTON, W. A. H |
| description | Two weeks ago I described the results of flash bleaching the retina with a bright uniform field seen through a set of neutral filters as shown in Fig. 1
b
. Ten minutes later cones had quite recovered and only rods contributed to the after image. This was observed by briefly opening the eyes from time to time and looking at a faintly illuminated white wall. After 20 min the negative after image looked as shown in Fig. 1
e
, and at later times it gradually faded in its black contrast to the white wall. But at earlier times the image did not get continually more intense; it exhibited a ceiling of intensity and no segment could exceed the intensity of sector C at 20 min. |
| doi_str_mv | 10.1038/234546a0 |
| format | Article |
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b
. Ten minutes later cones had quite recovered and only rods contributed to the after image. This was observed by briefly opening the eyes from time to time and looking at a faintly illuminated white wall. After 20 min the negative after image looked as shown in Fig. 1
e
, and at later times it gradually faded in its black contrast to the white wall. But at earlier times the image did not get continually more intense; it exhibited a ceiling of intensity and no segment could exceed the intensity of sector C at 20 min.</description><identifier>ISSN: 0028-0836</identifier><identifier>EISSN: 1476-4687</identifier><identifier>DOI: 10.1038/234546a0</identifier><identifier>PMID: 4946108</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Afterimage ; Dark Adaptation ; Humanities and Social Sciences ; Humans ; letter ; Light ; multidisciplinary ; Photoreceptor Cells - physiology ; Science ; Science (multidisciplinary)</subject><ispartof>Nature (London), 1971-12, Vol.234 (5331), p.546-547</ispartof><rights>Springer Nature Limited 1971</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c335t-eaaa28ef6644b02ef386fb829e493c97f781576f118fcbbadd6246e109edd7c83</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,2727,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/4946108$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>RUSHTON, W. A. H</creatorcontrib><title>Resolution of a Paradox with After Images</title><title>Nature (London)</title><addtitle>Nature</addtitle><addtitle>Nature</addtitle><description>Two weeks ago I described the results of flash bleaching the retina with a bright uniform field seen through a set of neutral filters as shown in Fig. 1
b
. Ten minutes later cones had quite recovered and only rods contributed to the after image. This was observed by briefly opening the eyes from time to time and looking at a faintly illuminated white wall. After 20 min the negative after image looked as shown in Fig. 1
e
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b
. Ten minutes later cones had quite recovered and only rods contributed to the after image. This was observed by briefly opening the eyes from time to time and looking at a faintly illuminated white wall. After 20 min the negative after image looked as shown in Fig. 1
e
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| fulltext | fulltext |
| identifier | ISSN: 0028-0836 |
| ispartof | Nature (London), 1971-12, Vol.234 (5331), p.546-547 |
| issn | 0028-0836 1476-4687 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_81262382 |
| source | MEDLINE; Nature; Alma/SFX Local Collection |
| subjects | Afterimage Dark Adaptation Humanities and Social Sciences Humans letter Light multidisciplinary Photoreceptor Cells - physiology Science Science (multidisciplinary) |
| title | Resolution of a Paradox with After Images |
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