The boundaries of entoptic space and Emmert's law
From each of 34 subjects three measurements were obtained: size of the entoptic after-image, apparent distance of such image and the distance of the screen for the projected after-image of the same size as the entoptic one. From the average size of the entoptic after-images theoretical distances for...
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| Veröffentlicht in: | Acta psychologica 1970, Vol.34 (4), p.516-520 |
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| creator | Fulgosi, Ante Fulgosi, Ljerka |
| description | From each of 34 subjects three measurements were obtained: size of the entoptic after-image, apparent distance of such image and the distance of the screen for the projected after-image of the same size as the entoptic one. From the average size of the entoptic after-images theoretical distances for each subject were computed. Statistical analysis showed that the differences between the distances of the screen, from one side, and the theoretical distances and the apparent distances of the entoptic after-images from the other side, were significant. These results were interpreted as a proof that the spaces of the projected and entoptic after-images are not comparable.
The difference between the apparent distances of the entoptic after-images and theoretical distances, predicted on the basis of Emmert's law, was not significant. The latter result was interpreted as a proof that Emmert's law for projected after-images is also valid for the entoptic ones. On the basis of this, it was concluded, that entoptic space can have as many boundaries as different sizes of the entoptic after-images can exist. |
| doi_str_mv | 10.1016/0001-6918(70)90046-6 |
| format | Article |
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The difference between the apparent distances of the entoptic after-images and theoretical distances, predicted on the basis of Emmert's law, was not significant. The latter result was interpreted as a proof that Emmert's law for projected after-images is also valid for the entoptic ones. On the basis of this, it was concluded, that entoptic space can have as many boundaries as different sizes of the entoptic after-images can exist.</description><identifier>ISSN: 0001-6918</identifier><identifier>EISSN: 1873-6297</identifier><identifier>DOI: 10.1016/0001-6918(70)90046-6</identifier><identifier>PMID: 5497132</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Afterimage ; Distance Perception ; Humans</subject><ispartof>Acta psychologica, 1970, Vol.34 (4), p.516-520</ispartof><rights>1970</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c280t-788843c0558c32d2c75d693696edbc70f42c5586cdfdf7857da9303f397226b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0001-6918(70)90046-6$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3541,4014,27860,27914,27915,27916,45986</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/5497132$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fulgosi, Ante</creatorcontrib><creatorcontrib>Fulgosi, Ljerka</creatorcontrib><title>The boundaries of entoptic space and Emmert's law</title><title>Acta psychologica</title><addtitle>Acta Psychol (Amst)</addtitle><description>From each of 34 subjects three measurements were obtained: size of the entoptic after-image, apparent distance of such image and the distance of the screen for the projected after-image of the same size as the entoptic one. From the average size of the entoptic after-images theoretical distances for each subject were computed. Statistical analysis showed that the differences between the distances of the screen, from one side, and the theoretical distances and the apparent distances of the entoptic after-images from the other side, were significant. These results were interpreted as a proof that the spaces of the projected and entoptic after-images are not comparable.
The difference between the apparent distances of the entoptic after-images and theoretical distances, predicted on the basis of Emmert's law, was not significant. The latter result was interpreted as a proof that Emmert's law for projected after-images is also valid for the entoptic ones. 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The difference between the apparent distances of the entoptic after-images and theoretical distances, predicted on the basis of Emmert's law, was not significant. The latter result was interpreted as a proof that Emmert's law for projected after-images is also valid for the entoptic ones. On the basis of this, it was concluded, that entoptic space can have as many boundaries as different sizes of the entoptic after-images can exist.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>5497132</pmid><doi>10.1016/0001-6918(70)90046-6</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 0001-6918 |
| ispartof | Acta psychologica, 1970, Vol.34 (4), p.516-520 |
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| language | eng |
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| source | MEDLINE; Periodicals Index Online; ScienceDirect Journals (5 years ago - present) |
| subjects | Afterimage Distance Perception Humans |
| title | The boundaries of entoptic space and Emmert's law |
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