Changes in resting-state functionally connected parietofrontal networks after videogame practice

Kenia Martínez, Ana Beatriz Solana, Miguel Burgaleta, Juan Antonio Hernández-Tamames, Juan Álvarez-Linera, Francisco J. Román, Eva Alfayate, Jesús Privado, Sergio Escorial, María A. Quiroga, Sherif Karama, Pierre Bellec, Roberto Colom*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

49 Citations (Scopus)
8 Downloads (Pure)

Abstract

Neuroimaging studies provide evidence for organized intrinsic activity under task-free conditions. This activity serves functionally relevant brain systems supporting cognition. Here, we analyze changes in resting-state functional connectivity after videogame practice applying a test-retest design. Twenty young females were selected from a group of 100 participants tested on four standardized cognitive ability tests. The practice and control groups were carefully matched on their ability scores. The practice group played during two sessions per week across 4 weeks (16 h total) under strict supervision in the laboratory, showing systematic performance improvements in the game. A group independent component analysis (GICA) applying multisession temporal concatenation on test-retest resting-state fMRI, jointly with a dual-regression approach, was computed. Supporting the main hypothesis, the key finding reveals an increased correlated activity during rest in certain predefined resting state networks (albeit using uncorrected statistics) attributable to practice with the cognitively demanding tasks of the videogame. Observed changes were mainly concentrated on parietofrontal networks involved in heterogeneous cognitive functions.

Original languageEnglish
Pages (from-to)3143-3157
Number of pages15
JournalHuman Brain Mapping
Volume34
Issue number12
DOIs
Publication statusPublished - Dec 2013
Externally publishedYes

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