Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder
- Autores
- Ortega Toro, Rodrigo; López, Vladimir; Carrasco, Ximena; Escobar, María Josefina; García, Adolfo Martín; Parra, Mario; Aboitiz, Francisco
- Año de publicación
- 2020
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Working memory (WM) impairments in ADHD have been consistently reported along with deficits in attentional control. Yet, it is not clear which specific WM processes are affected in this condition. A deficient coupling between attention and WM has been reported. Nevertheless, most studies focus on the capacity to retain information rather than on the attention-dependent stages of encoding and retrieval. The current study uses a visual short-term memory binding task, measuring both behavioral and electrophysiological responses to characterize WM encoding, binding and retrieval comparing ADHD and non-ADHD matched adolescents. ADHD exhibited poorer accuracy and larger reaction times than non-ADHD on all conditions but especially when a change across encoding and test displays occurred. Binding manipulation affected equally both groups. Encoding P3 was larger in the non-ADHD group. Retrieval P3 discriminated change only in the non-ADHD group. Binding-dependent ERP modulations did not reveal group differences. Encoding and retrieval P3 were significantly correlated only in non-ADHD. These results suggest that while binding processes seem to be intact in ADHD, attention-related encoding and retrieval processes are compromised, resulting in a failure in the prioritization of relevant information. This new evidence can also inform recent theories of binding in visual WM.
Fil: Ortega Toro, Rodrigo. Universidad de Chile; Chile
Fil: López, Vladimir. Pontificia Universidad Católica de Chile; Chile
Fil: Carrasco, Ximena. Universidad de Chile; Chile
Fil: Escobar, María Josefina. Universidad Adolfo Ibañez; Chile
Fil: García, Adolfo Martín. Universidad de San Andrés; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Universidad de Santiago de Chile; Chile
Fil: Parra, Mario. Universidad Autónoma del Caribe; Colombia
Fil: Aboitiz, Francisco. Universidad de Chile; Chile - Materia
-
WORKING MEMORY
BINDING
RETRIEVAL
ENCODING
ATTENTION DEFICIT/HYPERACTIVITY DISORDER - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/140897
Ver los metadatos del registro completo
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Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity DisorderOrtega Toro, RodrigoLópez, VladimirCarrasco, XimenaEscobar, María JosefinaGarcía, Adolfo MartínParra, MarioAboitiz, FranciscoWORKING MEMORYBINDINGRETRIEVALENCODINGATTENTION DEFICIT/HYPERACTIVITY DISORDERhttps://purl.org/becyt/ford/5.1https://purl.org/becyt/ford/5Working memory (WM) impairments in ADHD have been consistently reported along with deficits in attentional control. Yet, it is not clear which specific WM processes are affected in this condition. A deficient coupling between attention and WM has been reported. Nevertheless, most studies focus on the capacity to retain information rather than on the attention-dependent stages of encoding and retrieval. The current study uses a visual short-term memory binding task, measuring both behavioral and electrophysiological responses to characterize WM encoding, binding and retrieval comparing ADHD and non-ADHD matched adolescents. ADHD exhibited poorer accuracy and larger reaction times than non-ADHD on all conditions but especially when a change across encoding and test displays occurred. Binding manipulation affected equally both groups. Encoding P3 was larger in the non-ADHD group. Retrieval P3 discriminated change only in the non-ADHD group. Binding-dependent ERP modulations did not reveal group differences. Encoding and retrieval P3 were significantly correlated only in non-ADHD. These results suggest that while binding processes seem to be intact in ADHD, attention-related encoding and retrieval processes are compromised, resulting in a failure in the prioritization of relevant information. This new evidence can also inform recent theories of binding in visual WM.Fil: Ortega Toro, Rodrigo. Universidad de Chile; ChileFil: López, Vladimir. Pontificia Universidad Católica de Chile; ChileFil: Carrasco, Ximena. Universidad de Chile; ChileFil: Escobar, María Josefina. Universidad Adolfo Ibañez; ChileFil: García, Adolfo Martín. Universidad de San Andrés; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Universidad de Santiago de Chile; ChileFil: Parra, Mario. Universidad Autónoma del Caribe; ColombiaFil: Aboitiz, Francisco. Universidad de Chile; ChileNature Publishing Group2020-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/140897Ortega Toro, Rodrigo; López, Vladimir; Carrasco, Ximena; Escobar, María Josefina; García, Adolfo Martín; et al.; Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder; Nature Publishing Group; Scientific Reports; 10; 1; 5-2020; 1-132045-2322CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/s41598-020-64678-xinfo:eu-repo/semantics/altIdentifier/doi/10.1038/s41598-020-64678-xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:51:17Zoai:ri.conicet.gov.ar:11336/140897instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:51:17.738CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder |
title |
Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder |
spellingShingle |
Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder Ortega Toro, Rodrigo WORKING MEMORY BINDING RETRIEVAL ENCODING ATTENTION DEFICIT/HYPERACTIVITY DISORDER |
title_short |
Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder |
title_full |
Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder |
title_fullStr |
Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder |
title_full_unstemmed |
Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder |
title_sort |
Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder |
dc.creator.none.fl_str_mv |
Ortega Toro, Rodrigo López, Vladimir Carrasco, Ximena Escobar, María Josefina García, Adolfo Martín Parra, Mario Aboitiz, Francisco |
author |
Ortega Toro, Rodrigo |
author_facet |
Ortega Toro, Rodrigo López, Vladimir Carrasco, Ximena Escobar, María Josefina García, Adolfo Martín Parra, Mario Aboitiz, Francisco |
author_role |
author |
author2 |
López, Vladimir Carrasco, Ximena Escobar, María Josefina García, Adolfo Martín Parra, Mario Aboitiz, Francisco |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
WORKING MEMORY BINDING RETRIEVAL ENCODING ATTENTION DEFICIT/HYPERACTIVITY DISORDER |
topic |
WORKING MEMORY BINDING RETRIEVAL ENCODING ATTENTION DEFICIT/HYPERACTIVITY DISORDER |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/5.1 https://purl.org/becyt/ford/5 |
dc.description.none.fl_txt_mv |
Working memory (WM) impairments in ADHD have been consistently reported along with deficits in attentional control. Yet, it is not clear which specific WM processes are affected in this condition. A deficient coupling between attention and WM has been reported. Nevertheless, most studies focus on the capacity to retain information rather than on the attention-dependent stages of encoding and retrieval. The current study uses a visual short-term memory binding task, measuring both behavioral and electrophysiological responses to characterize WM encoding, binding and retrieval comparing ADHD and non-ADHD matched adolescents. ADHD exhibited poorer accuracy and larger reaction times than non-ADHD on all conditions but especially when a change across encoding and test displays occurred. Binding manipulation affected equally both groups. Encoding P3 was larger in the non-ADHD group. Retrieval P3 discriminated change only in the non-ADHD group. Binding-dependent ERP modulations did not reveal group differences. Encoding and retrieval P3 were significantly correlated only in non-ADHD. These results suggest that while binding processes seem to be intact in ADHD, attention-related encoding and retrieval processes are compromised, resulting in a failure in the prioritization of relevant information. This new evidence can also inform recent theories of binding in visual WM. Fil: Ortega Toro, Rodrigo. Universidad de Chile; Chile Fil: López, Vladimir. Pontificia Universidad Católica de Chile; Chile Fil: Carrasco, Ximena. Universidad de Chile; Chile Fil: Escobar, María Josefina. Universidad Adolfo Ibañez; Chile Fil: García, Adolfo Martín. Universidad de San Andrés; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Universidad de Santiago de Chile; Chile Fil: Parra, Mario. Universidad Autónoma del Caribe; Colombia Fil: Aboitiz, Francisco. Universidad de Chile; Chile |
description |
Working memory (WM) impairments in ADHD have been consistently reported along with deficits in attentional control. Yet, it is not clear which specific WM processes are affected in this condition. A deficient coupling between attention and WM has been reported. Nevertheless, most studies focus on the capacity to retain information rather than on the attention-dependent stages of encoding and retrieval. The current study uses a visual short-term memory binding task, measuring both behavioral and electrophysiological responses to characterize WM encoding, binding and retrieval comparing ADHD and non-ADHD matched adolescents. ADHD exhibited poorer accuracy and larger reaction times than non-ADHD on all conditions but especially when a change across encoding and test displays occurred. Binding manipulation affected equally both groups. Encoding P3 was larger in the non-ADHD group. Retrieval P3 discriminated change only in the non-ADHD group. Binding-dependent ERP modulations did not reveal group differences. Encoding and retrieval P3 were significantly correlated only in non-ADHD. These results suggest that while binding processes seem to be intact in ADHD, attention-related encoding and retrieval processes are compromised, resulting in a failure in the prioritization of relevant information. This new evidence can also inform recent theories of binding in visual WM. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-05 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/140897 Ortega Toro, Rodrigo; López, Vladimir; Carrasco, Ximena; Escobar, María Josefina; García, Adolfo Martín; et al.; Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder; Nature Publishing Group; Scientific Reports; 10; 1; 5-2020; 1-13 2045-2322 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/140897 |
identifier_str_mv |
Ortega Toro, Rodrigo; López, Vladimir; Carrasco, Ximena; Escobar, María Josefina; García, Adolfo Martín; et al.; Neurocognitive mechanisms underlying working memory encoding and retrieval in Attention-Deficit/Hyperactivity Disorder; Nature Publishing Group; Scientific Reports; 10; 1; 5-2020; 1-13 2045-2322 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/s41598-020-64678-x info:eu-repo/semantics/altIdentifier/doi/10.1038/s41598-020-64678-x |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
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application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Nature Publishing Group |
publisher.none.fl_str_mv |
Nature Publishing Group |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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