Cortical surface area variations within the dorsolateral prefrontal cortex are better predictors of future cognitive performance than fl uid ability and working memory
- Francisco J. Román 1
- Susanne M. Jaeggi 2
- Kenia Martínez 1
- Jesús Privado 3
- Lindsay B. Lewis 4
- Chi-Hua Chen 2
- Sergio Escorial 3
- William S. Kremen 2
- Sherif Karama 4
- Roberto Colom 1
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1
Universidad Autónoma de Madrid
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2
University of California System
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3
Universidad Complutense de Madrid
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- 4 McGill University, Montreal
ISSN: 0214-9915, 1886-144X
Année de publication: 2019
Volumen: 31
Número: 3
Pages: 229-238
Type: Article
D'autres publications dans: Psicothema
Résumé
Antecedentes: ¿Predicen las variables cognitivas y biológicas el futuro desempeño cognitivo? Método: en dos grupos independientes de participantes se miden variables cognitivas (inteligencia fluida y cristalizada, memoria operativa y control atencional) y biológicas (grosor y superficie cortical) en dos ocasiones separadas por seis meses, para predecir el desempeño en la tarea n-back valorado doce y dieciocho meses después. Se completan tres etapas: descubrimiento, validación y generalización. En la de descubrimiento se valoran en un grupo de individuos las variables cognitivas/biológicas y el desempeño a predecir. En la de validación, se relacionan las mismas variables con una versión paralela de la n-back completada meses después. En la de generalización, los resultados de la validación se replican en un grupo independiente de individuos. Resultados: las variaciones de superficie cortical en la corteza dorsolateral prefrontal derecha predicen el desempeño cognitivo en los dos grupos independientes de individuos, mientras que las variables cognitivas no contribuyen a la predicción del desempeño futuro. Conclusiones: las diferencias individuales en determinadas variables biológicas predicen el desempeño cognitivo mejor que las variables cognitivas que correlacionan concurrentemente con ese desempeño.
Information sur le financement
This project was supported by PSI2017-82218-P (Ministerio de Economía, Industria y Competitividad, Spain).Références bibliographiques
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