Inhibitory control training induces cortical thickness changes linked to global/local visual abilities in children
Résumé
Behavioral results revealed that children's performances during global/local visual attentional task improved from the pre-to the post-training more in the inhibitory control group than in the active control group. The present study is the first to evidenced the beneficial impact of inhibitory control training on neural levels for visuo-spatial abilities in children. In particular, inhibitory control training allow (1) a posterior neural plasticity linked to the ability to deal with conflicting global visual information, and (2) an anterior neural plasticity linked to the ability to deal with conflicting local visual information. In agreement with the ontogenetic view regarding global/local processes (i.e., local precedence effect that evolve with age to a global precedence effect, see Poirel et al., 2008), these results suggests an involvement regarding global interference dealing efficiency that appeared first in posterior brain regions, and an involvement regarding local interference dealing efficiency that is present in anterior brain regions, in line with the view of a postero-anterior gradient in brain plasticity (Sowell, 2004) after inhibitory control training.
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