Hemianopic visual field defects elicit hemianopic scanning
Previous explanations for the variability in success of compensating for homonymous hemianopia (HH) has been in terms of extent of the brain injury. In using on-line eye movement registrations, we simulated HH in 16 healthy subjects and compared their scanning performance on a dot counting task to t...
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| Veröffentlicht in: | Vision research (Oxford) 2002-05, Vol.42 (10), p.1339-1348 |
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| container_title | Vision research (Oxford) |
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| creator | Tant, M.L.M. Cornelissen, F.W. Kooijman, A.C. Brouwer, W.H. |
| description | Previous explanations for the variability in success of compensating for homonymous hemianopia (HH) has been in terms of extent of the brain injury. In using on-line eye movement registrations, we simulated HH in 16 healthy subjects and compared their scanning performance on a dot counting task to their own “normal” condition and to real HH patients' performance.
We evidenced clear parallels between simulated and real HH, suggesting that hemianopic scanning behaviour is primarily visually elicited, namely by the visual field defect, and not by the additional brain damage. We further observed age-related processes in compensating for the HH. |
| doi_str_mv | 10.1016/S0042-6989(02)00044-5 |
| format | Article |
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We evidenced clear parallels between simulated and real HH, suggesting that hemianopic scanning behaviour is primarily visually elicited, namely by the visual field defect, and not by the additional brain damage. We further observed age-related processes in compensating for the HH.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Age dependence</subject><subject>Aged</subject><subject>Aging</subject><subject>Biological and medical sciences</subject><subject>Brain</subject><subject>Brain Injuries - complications</subject><subject>Case-Control Studies</subject><subject>Diseases of visual field, optic nerve, optic chiasma and optic tracts</subject><subject>Eye Movements</subject><subject>Female</subject><subject>Hemianopia</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Multivariate Analysis</subject><subject>Ophthalmology</subject><subject>Simulation</subject><subject>Vision Disorders - etiology</subject><subject>Vision Disorders - physiopathology</subject><subject>Visual</subject><subject>Visual Fields</subject><issn>0042-6989</issn><issn>1878-5646</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0E1LwzAYwPEgipvTj6D0ouih-qRN8-JFZKgTBh7Uc0jTpxrp2tm0A7-92Vbc0VMI_J68_Ak5pXBNgfKbVwCWxFxJdQnJFYQdi7M9MqZSyDjjjO-T8R8ZkSPvvwISWaIOyYgmgQuejMntDBfO1M3S2WjlfG-qqHRYFVGBJdrOR1g567roc8e8NXXt6o9jclCayuPJsE7I--PD23QWz1-enqf389gyBV3MKFU5LaSipbAKci4xB6YMGFSgDMrEpAA5WkTGUOSQZkolsjA04yUqm07IxfbcZdt89-g7vXDeYlWZGpvea0GFohmTAWZbaNvG-xZLvWzdwrQ_moJeR9ObaHpdREOiN9F0FubOhgv6fIHFbmqoFMD5AEz4fFW2prbO71wqQArOg7vbOgw5Vg5b7a3D2mLh2hBTF4375ym_eG-IXA</recordid><startdate>20020501</startdate><enddate>20020501</enddate><creator>Tant, M.L.M.</creator><creator>Cornelissen, F.W.</creator><creator>Kooijman, A.C.</creator><creator>Brouwer, W.H.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>6I.</scope><scope>AAFTH</scope><scope>IQODW</scope><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></search><sort><creationdate>20020501</creationdate><title>Hemianopic visual field defects elicit hemianopic scanning</title><author>Tant, M.L.M. ; Cornelissen, F.W. ; Kooijman, A.C. ; Brouwer, W.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c490t-4119b1d891f7c90b68eb049a0ae909ae82a300becee44e7b0359928da156fe9c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Age dependence</topic><topic>Aged</topic><topic>Aging</topic><topic>Biological and medical sciences</topic><topic>Brain</topic><topic>Brain Injuries - complications</topic><topic>Case-Control Studies</topic><topic>Diseases of visual field, optic nerve, optic chiasma and optic tracts</topic><topic>Eye Movements</topic><topic>Female</topic><topic>Hemianopia</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Multivariate Analysis</topic><topic>Ophthalmology</topic><topic>Simulation</topic><topic>Vision Disorders - etiology</topic><topic>Vision Disorders - physiopathology</topic><topic>Visual</topic><topic>Visual Fields</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tant, M.L.M.</creatorcontrib><creatorcontrib>Cornelissen, F.W.</creatorcontrib><creatorcontrib>Kooijman, A.C.</creatorcontrib><creatorcontrib>Brouwer, W.H.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Pascal-Francis</collection><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><jtitle>Vision research (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tant, M.L.M.</au><au>Cornelissen, F.W.</au><au>Kooijman, A.C.</au><au>Brouwer, W.H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hemianopic visual field defects elicit hemianopic scanning</atitle><jtitle>Vision research (Oxford)</jtitle><addtitle>Vision Res</addtitle><date>2002-05-01</date><risdate>2002</risdate><volume>42</volume><issue>10</issue><spage>1339</spage><epage>1348</epage><pages>1339-1348</pages><issn>0042-6989</issn><eissn>1878-5646</eissn><coden>VISRAM</coden><abstract>Previous explanations for the variability in success of compensating for homonymous hemianopia (HH) has been in terms of extent of the brain injury. In using on-line eye movement registrations, we simulated HH in 16 healthy subjects and compared their scanning performance on a dot counting task to their own “normal” condition and to real HH patients' performance.
We evidenced clear parallels between simulated and real HH, suggesting that hemianopic scanning behaviour is primarily visually elicited, namely by the visual field defect, and not by the additional brain damage. We further observed age-related processes in compensating for the HH.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>12044762</pmid><doi>10.1016/S0042-6989(02)00044-5</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present); EZB-FREE-00999 freely available EZB journals |
| subjects | Adolescent Adult Age dependence Aged Aging Biological and medical sciences Brain Brain Injuries - complications Case-Control Studies Diseases of visual field, optic nerve, optic chiasma and optic tracts Eye Movements Female Hemianopia Humans Male Medical sciences Middle Aged Multivariate Analysis Ophthalmology Simulation Vision Disorders - etiology Vision Disorders - physiopathology Visual Visual Fields |
| title | Hemianopic visual field defects elicit hemianopic scanning |
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