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

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Title: Cognitive stimulation has potential for brain activation in individuals with Rett syndrome.
Authors: Migliorelli, C., Medina‐Rivera, I., Bachiller, A., Tost, A., Alonso, J. F., López‐Sala, A., Armstrong, J., O'Callahan, M. d. M., Pineda, M., Mañanas, M. A., Romero, S., García‐Cazorla, Á.
Source: Journal of Intellectual Disability Research. Mar2022, Vol. 66 Issue 3, p213-224. 12p. 1 Color Photograph, 1 Diagram, 3 Graphs.
Subjects: Brain physiology, Electroencephalography, Eye movements, Cognitive rehabilitation, Treatment effectiveness, Cognitive testing, Rett syndrome
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 electroencephalography (EEG) data in RS. Methods: 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 were acquired during the experimental procedure including two 10‐min 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 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 increase 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. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Intellectual Disability Research is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Cognitive stimulation has potential for brain activation in individuals with Rett syndrome.
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  Data: <searchLink fieldCode="AR" term="%22Migliorelli%2C+C%2E%22">Migliorelli, C.</searchLink><br /><searchLink fieldCode="AR" term="%22Medina‐Rivera%2C+I%2E%22">Medina‐Rivera, I.</searchLink><br /><searchLink fieldCode="AR" term="%22Bachiller%2C+A%2E%22">Bachiller, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Tost%2C+A%2E%22">Tost, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Alonso%2C+J%2E+F%2E%22">Alonso, J. F.</searchLink><br /><searchLink fieldCode="AR" term="%22López‐Sala%2C+A%2E%22">López‐Sala, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Armstrong%2C+J%2E%22">Armstrong, J.</searchLink><br /><searchLink fieldCode="AR" term="%22O'Callahan%2C+M%2E+d%2E+M%2E%22">O'Callahan, M. d. M.</searchLink><br /><searchLink fieldCode="AR" term="%22Pineda%2C+M%2E%22">Pineda, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Mañanas%2C+M%2E+A%2E%22">Mañanas, M. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Romero%2C+S%2E%22">Romero, S.</searchLink><br /><searchLink fieldCode="AR" term="%22García‐Cazorla%2C+Á%2E%22">García‐Cazorla, Á.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Intellectual+Disability+Research%22">Journal of Intellectual Disability Research</searchLink>. Mar2022, Vol. 66 Issue 3, p213-224. 12p. 1 Color Photograph, 1 Diagram, 3 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Brain+physiology%22">Brain physiology</searchLink><br /><searchLink fieldCode="DE" term="%22Electroencephalography%22">Electroencephalography</searchLink><br /><searchLink fieldCode="DE" term="%22Eye+movements%22">Eye movements</searchLink><br /><searchLink fieldCode="DE" term="%22Cognitive+rehabilitation%22">Cognitive rehabilitation</searchLink><br /><searchLink fieldCode="DE" term="%22Treatment+effectiveness%22">Treatment effectiveness</searchLink><br /><searchLink fieldCode="DE" term="%22Cognitive+testing%22">Cognitive testing</searchLink><br /><searchLink fieldCode="DE" term="%22Rett+syndrome%22">Rett syndrome</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: 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 electroencephalography (EEG) data in RS. Methods: 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 were acquired during the experimental procedure including two 10‐min 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 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 increase 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Intellectual Disability Research is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/jir.12902
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 213
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      – SubjectFull: Brain physiology
        Type: general
      – SubjectFull: Electroencephalography
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      – SubjectFull: Eye movements
        Type: general
      – SubjectFull: Cognitive rehabilitation
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      – SubjectFull: Treatment effectiveness
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      – SubjectFull: Cognitive testing
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      – SubjectFull: Rett syndrome
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      – TitleFull: Cognitive stimulation has potential for brain activation in individuals with Rett syndrome.
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              Text: Mar2022
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