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Spatial Binding Impairments in Visual Working Memory following Temporal Lobectomy
Disorders of the medial temporal lobe (MTL) adversely affect visual working memory (vWM) performance, including feature binding. It is unclear whether these impairments generalize across visual dimensions or are specifically spatial. To address this issue, we compared performance in two tasks of 13...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Society for Neuroscience
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8906795/ https://www.ncbi.nlm.nih.gov/pubmed/35168952 http://dx.doi.org/10.1523/ENEURO.0278-21.2022 |
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author | Alenazi, Mamdouh Fahd Al-Joudi, Haya Alotaibi, Faisal Bracewell, Martyn Dundon, Neil M. Katshu, Mohammad Zia Ul Haq d’Avossa, Giovanni |
author_facet | Alenazi, Mamdouh Fahd Al-Joudi, Haya Alotaibi, Faisal Bracewell, Martyn Dundon, Neil M. Katshu, Mohammad Zia Ul Haq d’Avossa, Giovanni |
author_sort | Alenazi, Mamdouh Fahd |
collection | PubMed |
description | Disorders of the medial temporal lobe (MTL) adversely affect visual working memory (vWM) performance, including feature binding. It is unclear whether these impairments generalize across visual dimensions or are specifically spatial. To address this issue, we compared performance in two tasks of 13 epilepsy patients, who had undergone a temporal lobectomy, and 15 healthy controls. In the vWM task, participants recalled the color of one of two polygons, previously displayed side by side. At recall, a location or shape probe identified the target. In the perceptual task, participants estimated the centroid of three visible disks. Patients recalled the target color less accurately than healthy controls because they frequently swapped the nontarget with the target color. Moreover, healthy controls and right temporal lobectomy patients made more swap errors following shape than space probes. Left temporal lobectomy patients, showed the opposite pattern of errors instead. Patients and controls performed similarly in the perceptual task. We conclude that left MTL damage impairs spatial binding in vWM, and that this impairment does not reflect a perceptual or attentional deficit. |
format | Online Article Text |
id | pubmed-8906795 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Society for Neuroscience |
record_format | MEDLINE/PubMed |
spelling | pubmed-89067952022-03-10 Spatial Binding Impairments in Visual Working Memory following Temporal Lobectomy Alenazi, Mamdouh Fahd Al-Joudi, Haya Alotaibi, Faisal Bracewell, Martyn Dundon, Neil M. Katshu, Mohammad Zia Ul Haq d’Avossa, Giovanni eNeuro Research Article: New Research Disorders of the medial temporal lobe (MTL) adversely affect visual working memory (vWM) performance, including feature binding. It is unclear whether these impairments generalize across visual dimensions or are specifically spatial. To address this issue, we compared performance in two tasks of 13 epilepsy patients, who had undergone a temporal lobectomy, and 15 healthy controls. In the vWM task, participants recalled the color of one of two polygons, previously displayed side by side. At recall, a location or shape probe identified the target. In the perceptual task, participants estimated the centroid of three visible disks. Patients recalled the target color less accurately than healthy controls because they frequently swapped the nontarget with the target color. Moreover, healthy controls and right temporal lobectomy patients made more swap errors following shape than space probes. Left temporal lobectomy patients, showed the opposite pattern of errors instead. Patients and controls performed similarly in the perceptual task. We conclude that left MTL damage impairs spatial binding in vWM, and that this impairment does not reflect a perceptual or attentional deficit. Society for Neuroscience 2022-03-08 /pmc/articles/PMC8906795/ /pubmed/35168952 http://dx.doi.org/10.1523/ENEURO.0278-21.2022 Text en Copyright © 2022 Alenazi et al. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed. |
spellingShingle | Research Article: New Research Alenazi, Mamdouh Fahd Al-Joudi, Haya Alotaibi, Faisal Bracewell, Martyn Dundon, Neil M. Katshu, Mohammad Zia Ul Haq d’Avossa, Giovanni Spatial Binding Impairments in Visual Working Memory following Temporal Lobectomy |
title | Spatial Binding Impairments in Visual Working Memory following Temporal Lobectomy |
title_full | Spatial Binding Impairments in Visual Working Memory following Temporal Lobectomy |
title_fullStr | Spatial Binding Impairments in Visual Working Memory following Temporal Lobectomy |
title_full_unstemmed | Spatial Binding Impairments in Visual Working Memory following Temporal Lobectomy |
title_short | Spatial Binding Impairments in Visual Working Memory following Temporal Lobectomy |
title_sort | spatial binding impairments in visual working memory following temporal lobectomy |
topic | Research Article: New Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8906795/ https://www.ncbi.nlm.nih.gov/pubmed/35168952 http://dx.doi.org/10.1523/ENEURO.0278-21.2022 |
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