Development and aging of visual hemifield asymmetries in contrast sensitivity
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10316/109504 https://doi.org/10.1167/14.12.19 |
Resumo: | The relation of development and aging with models of visual anisotropies and their influence on low-level visual processing remain to be established. Our main goal was to explore visual performance asymmetries in development and normal aging using low-level contrast sensitivity behavioral tasks [probing two distinct spatiotemporal frequency channels, (a) intermediate spatial and null temporal frequency (3.5 cycles per degree (cpd) and 0 Hz); and (b) low spatial and high temporal frequency (0.25 cpd undergoing 25 Hz counterphase flicker)]. Different patterns of functional asymmetries were investigated within four (two neurodevelopmental and two adult) age groups (N = 258 participants; 8-65 years). We found a left visual hemifield/right hemisphere advantage for only the intermediate spatial frequency channel that was present early in life and remained stable throughout adulthood. In contrast, inferior/superior visual hemifield asymmetries, with a direct ecological meaning, were found for both spatiotemporal frequency channels. This inferior visual hemifield advantage emerged early in life and persisted throughout aging. These findings show that both right hemispheric and dorsal retinotopic patterns of dominance in low-level vision emerge early in childhood, maintaining during aging. |
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Development and aging of visual hemifield asymmetries in contrast sensitivitycontrast sensitivitydevelopmentagingvisual fieldasymmetryAdolescentAdultAgedAgingAnalysis of VarianceAnisotropyChildContrast SensitivityFemaleFlicker FusionHumansMaleMiddle AgedPhotic StimulationSpace PerceptionVisual FieldsYoung AdultThe relation of development and aging with models of visual anisotropies and their influence on low-level visual processing remain to be established. Our main goal was to explore visual performance asymmetries in development and normal aging using low-level contrast sensitivity behavioral tasks [probing two distinct spatiotemporal frequency channels, (a) intermediate spatial and null temporal frequency (3.5 cycles per degree (cpd) and 0 Hz); and (b) low spatial and high temporal frequency (0.25 cpd undergoing 25 Hz counterphase flicker)]. Different patterns of functional asymmetries were investigated within four (two neurodevelopmental and two adult) age groups (N = 258 participants; 8-65 years). We found a left visual hemifield/right hemisphere advantage for only the intermediate spatial frequency channel that was present early in life and remained stable throughout adulthood. In contrast, inferior/superior visual hemifield asymmetries, with a direct ecological meaning, were found for both spatiotemporal frequency channels. This inferior visual hemifield advantage emerged early in life and persisted throughout aging. These findings show that both right hemispheric and dorsal retinotopic patterns of dominance in low-level vision emerge early in childhood, maintaining during aging.Association for Research in Vision and Ophthalmology2014-10-17info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10316/109504http://hdl.handle.net/10316/109504https://doi.org/10.1167/14.12.19eng1534-7362Silva, Maria Fátimad'Almeida, Otília C.Oliveiros, BárbaraMateus, CatarinaCastelo-Branco, Miguelinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-10-18T09:07:47Zoai:estudogeral.uc.pt:10316/109504Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:25:41.415588Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Development and aging of visual hemifield asymmetries in contrast sensitivity |
title |
Development and aging of visual hemifield asymmetries in contrast sensitivity |
spellingShingle |
Development and aging of visual hemifield asymmetries in contrast sensitivity Silva, Maria Fátima contrast sensitivity development aging visual field asymmetry Adolescent Adult Aged Aging Analysis of Variance Anisotropy Child Contrast Sensitivity Female Flicker Fusion Humans Male Middle Aged Photic Stimulation Space Perception Visual Fields Young Adult |
title_short |
Development and aging of visual hemifield asymmetries in contrast sensitivity |
title_full |
Development and aging of visual hemifield asymmetries in contrast sensitivity |
title_fullStr |
Development and aging of visual hemifield asymmetries in contrast sensitivity |
title_full_unstemmed |
Development and aging of visual hemifield asymmetries in contrast sensitivity |
title_sort |
Development and aging of visual hemifield asymmetries in contrast sensitivity |
author |
Silva, Maria Fátima |
author_facet |
Silva, Maria Fátima d'Almeida, Otília C. Oliveiros, Bárbara Mateus, Catarina Castelo-Branco, Miguel |
author_role |
author |
author2 |
d'Almeida, Otília C. Oliveiros, Bárbara Mateus, Catarina Castelo-Branco, Miguel |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Silva, Maria Fátima d'Almeida, Otília C. Oliveiros, Bárbara Mateus, Catarina Castelo-Branco, Miguel |
dc.subject.por.fl_str_mv |
contrast sensitivity development aging visual field asymmetry Adolescent Adult Aged Aging Analysis of Variance Anisotropy Child Contrast Sensitivity Female Flicker Fusion Humans Male Middle Aged Photic Stimulation Space Perception Visual Fields Young Adult |
topic |
contrast sensitivity development aging visual field asymmetry Adolescent Adult Aged Aging Analysis of Variance Anisotropy Child Contrast Sensitivity Female Flicker Fusion Humans Male Middle Aged Photic Stimulation Space Perception Visual Fields Young Adult |
description |
The relation of development and aging with models of visual anisotropies and their influence on low-level visual processing remain to be established. Our main goal was to explore visual performance asymmetries in development and normal aging using low-level contrast sensitivity behavioral tasks [probing two distinct spatiotemporal frequency channels, (a) intermediate spatial and null temporal frequency (3.5 cycles per degree (cpd) and 0 Hz); and (b) low spatial and high temporal frequency (0.25 cpd undergoing 25 Hz counterphase flicker)]. Different patterns of functional asymmetries were investigated within four (two neurodevelopmental and two adult) age groups (N = 258 participants; 8-65 years). We found a left visual hemifield/right hemisphere advantage for only the intermediate spatial frequency channel that was present early in life and remained stable throughout adulthood. In contrast, inferior/superior visual hemifield asymmetries, with a direct ecological meaning, were found for both spatiotemporal frequency channels. This inferior visual hemifield advantage emerged early in life and persisted throughout aging. These findings show that both right hemispheric and dorsal retinotopic patterns of dominance in low-level vision emerge early in childhood, maintaining during aging. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-10-17 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10316/109504 http://hdl.handle.net/10316/109504 https://doi.org/10.1167/14.12.19 |
url |
http://hdl.handle.net/10316/109504 https://doi.org/10.1167/14.12.19 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
1534-7362 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Association for Research in Vision and Ophthalmology |
publisher.none.fl_str_mv |
Association for Research in Vision and Ophthalmology |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
|
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1799134138886782976 |