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Train your brain, change your brain - ScienceBlog.com
With this technique, the magnetic resonance equipment helps individuals to have access to their own brain activity in real time and quickly gain control over it.
Thirty-six healthy subjects participated in the study in which the goal was to increase the activity of brain regions involved in hand movements. However, instead of actually move their hand, participants were asked to only imagine the movement, in total rest. Nineteen of them received the real brain training and the remaining seventeen were trained with placebo neurofeedback, for comparisons purposes. Immediately before and after the brain training, which lasted around 30 minutes, their neural networks were scanned in order to investigate the impact of the neurofeedback (or placebo) on brain wiring and communication, also known as structural and functional connectivity, respectively.
The results show that the corpus callosum – the major cerebral bridge that connects the right and left hemispheres – exhibited increased integrity, and the neural network controlling the movements of the body became strengthened. It seems that the whole system became more robust. Likewise, the training also had a positive impact on the default mode network, a brain network which is impaired after stroke, Parkinson’s and depression, for example. These changes were not observed in the control group.