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Cognitive stimulation has potential for brain activation in individuals with Rett syndrome

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Migliorelli Falcone, Carolina MercedesMés informació
Medina Rivera, Inés
Bachiller Matarranz, AlejandroMés informacióMés informacióMés informació
Tost Abadías, AnaMés informació
Alonso López, Joan FrancescMés informacióMés informacióMés informació
López Sala, Anna
Armstrong, Judit
O'Callaghan Gordo, Ma del Mar
Pineda Marfà, Mercè
Mañanas Villanueva, Miguel ÁngelMés informacióMés informacióMés informació
Romero Lafuente, SergioMés informacióMés informacióMés informació
García Cazorla, Àngels
Document typeArticle
Defense date2021-11-18
PublisherJohn Wiley & sons
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectTECNOLOGIAS INNOVADORAS PARA MONITORIZAR Y PERSONALIZAR LA REHABILITACION INTERDISCIPLINAR DE PACIENTES DE CUIDADO INTENSIVO (AEI-PID2020-117751RB-I00)
Abstract
Background: Knowledge regarding neuropsychological training in Rett syndrome (RS) is scarce. The aim of this study was to assess the outcome and the duration of the effect of cognitive stimulation on topographic EEG data in RS. Method: Twenty female children diagnosed with RS were included in the analysis. Girls with RS conducted a cognitive task using an eye-tracker designed to evaluate access and choice skills. EEG data was acquired during the experimental procedure including two 10-minutes baseline stages before and after the task. Topographical changes of several EEG spectral markers including absolute and relative powers, brain symmetry index and entropy were assessed. Results: Topographic significance probability maps suggested statistical decreases on delta activity and increases on beta rhythm associated with the cognitive task. Entropy increased during and after the task, likely related to more complex brain activity. A significant positive interaction was obtained between brain symmetry index (BSI) and age showing that the improvement of interhemispheric symmetry was higher in younger girls (5-10 years). Conclusions: According to our findings, significant alterations of brain rhythms were observed during and after cognitive stimulation, suggesting that cognitive stimulation may have effects on brain activity beyond the stimulation period. Finally, our promising results also showed an increased brain symmetry that was especially relevant for the younger group. This could suggest an interaction of the eye-tracking cognitive task, however, further studies in this field are needed to assess the relation between brain asymmetries and age.
CitationMigliorelli, C. [et al.]. Cognitive stimulation has potential for brain activation in individuals with Rett syndrome. "Journal of intellectual disability research", 18 Novembre 2021, vol. 66, núm. 3, p. 213-224. 
URIhttp://hdl.handle.net/2117/362342
DOI10.1111/jir.12902
ISSN1365-2788
Publisher versionhttps://onlinelibrary.wiley.com/doi/10.1111/jir.12902
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  • Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial - Articles de revista [1.276]
  • BIOART - BIOsignal Analysis for Rehabilitation and Therapy - Articles de revista [65]
  • Doctorat en Enginyeria Biomèdica - Articles de revista [82]
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