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Université de Fribourg

Sustained enhancements in inhibitory control depend primarily on the reinforcement of fronto-basal anatomical connectivity

Chavan, Camille ; Mouthon, Michael ; Simone, Marie ; Hoogewoud, tHenri-Marcel ; Draganski, Bogdan ; Zwaag, Wietske van der ; Spierer, Lucas

In: Brain Structure and Function, 2017, vol. 222, no. 1, p. 635–643

What are the neurophysiological determinants of sustained supra-normal inhibitory control performance? We addressed this question by coupling multimodal neuroimaging and behavioral investigations of experts in fencing who underwent more than 20,000 h of inhibitory control training over 15 years. The superior control of the experts manifested behaviorally as a speeding-up of inhibition...

Université de Fribourg

Brain networks modulated by subthalamic nucleus deep brain stimulation

Accolla, Ettore A. ; Ruiz, Maria Herrojo ; Horn, Andreas ; Schneider, Gerd-Helge ; Schmitz-Hübsch, Tanja ; Draganski, Bogdan ; Kühn, Andrea A.

In: Brain, 2016, vol. 139, no. 9, p. 2503–2515

Deep brain stimulation of the subthalamic nucleus is an established treatment for the motor symptoms of Parkinson’s disease. Given the frequent occurrence of stimulation- induced affective and cognitive adverse effects, a better understanding about the role of the subthalamic nucleus in non-motor functions is needed. The main goal of this study is to characterize anatomical circuits...

Université de Fribourg

Differential patterns of functional and structural plasticity within and between inferior frontal gyri support training-induced improvements in inhibitory control proficiency

Chavan, Camille F. ; Mouthon, Michael ; Draganski, Bogdan ; Zwaag, Wietske van der ; Spierer, Lucas

In: Human Brain Mapping, 2015, vol. 36, no. 7, p. 2527–2543

Ample evidence indicates that inhibitory control (IC), a key executive component referring to the ability to suppress cognitive or motor processes, relies on a right-lateralized fronto-basal brain network. However, whether and how IC can be improved with training and the underlying neuroplastic mechanisms remains largely unresolved. We used functional and structural magnetic resonance imaging to...