The Exercising Brain: Changes in Functional Connectivity Induced by an Integrated Multimodal Cognitive and Whole-Body Coordination Training

Traute Demirakca, Vita Cardinale, Sven Dehn, Matthias Ruf, Gabriele Ende, Traute Demirakca, Vita Cardinale, Sven Dehn, Matthias Ruf, Gabriele Ende

Abstract

This study investigated the impact of "life kinetik" training on brain plasticity in terms of an increased functional connectivity during resting-state functional magnetic resonance imaging (rs-fMRI). The training is an integrated multimodal training that combines motor and cognitive aspects and challenges the brain by introducing new and unfamiliar coordinative tasks. Twenty-one subjects completed at least 11 one-hour-per-week "life kinetik" training sessions in 13 weeks as well as before and after rs-fMRI scans. Additionally, 11 control subjects with 2 rs-fMRI scans were included. The CONN toolbox was used to conduct several seed-to-voxel analyses. We searched for functional connectivity increases between brain regions expected to be involved in the exercises. Connections to brain regions representing parts of the default mode network, such as medial frontal cortex and posterior cingulate cortex, did not change. Significant connectivity alterations occurred between the visual cortex and parts of the superior parietal area (BA7). Premotor area and cingulate gyrus were also affected. We can conclude that the constant challenge of unfamiliar combinations of coordination tasks, combined with visual perception and working memory demands, seems to induce brain plasticity expressed in enhanced connectivity strength of brain regions due to coactivation.

Figures

Figure 1
Figure 1
Greater connectivity increases in trainees compared to controls subjects; seed regions are represented in the small brain images; seeds determine the colour of the result region: (a) BA4 left: red and BA1 left: cyan; (b) and (c) visual cortex: BA17 right: violet and BA18 right: blue; (d) and (e) auditory cortex: BA41 right: green, BA41 left: red, BA42 right: violet, and BA42 left: blue; (f) dorsolateral prefrontal cortex: right: red, FEF left: blue, and midcingulate cortex: violet.

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