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The neural networks is one of the most common types of neurofeedback: default-mode network (left), corpus callosum (middle), and sensorimotor networks (right). Credit: Gold Institute for Research and Education (IDOR)
Neurofeedback leads to a strengthening of neural connections and communication between brain areas. This is a new study conducted by D'Or Institute for Research and Education (IDOR), published today in Neuroimage. According to the authors, the study may lead to the development of Parkinson's, for example.
"We knew that the brain has an amazing ability to adapt itself, but we were not sure that we could observe these changes so quickly," says Theo. Marine, a biomedical scientist from IDOR and the Ph.D. responsible for the study.
Neurofeedback has been considered a promising way to regulate dysfunctional brain areas badociated with disorders, such as chronic pain and depression, for example. With this technique, the magnetic resonance equipment helps individuals to gain access to their own brain 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. However, participants were asked to only imagine the movement, in total rest. Nineteen of them were trained with placebo neurofeedback, for comparisons purposes. Immediately before and after the brain, which lasted about 30 minutes, their neural networks were scanned into 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 has become more robust. Likewise, the training also had a positive impact on the default mode of the network, a Parkinson's and Depression, for example. These changes were not observed in the control group.
"We have shown that the neurofeedback can be considered a powerful tool to induce brain changes." Now, our goal is to develop new studies to test patients with neurological disorders can also benefit from it, "concludes Fernanda Tovar Moll, president of IDOR and leader of the study.
Phantom limb sensation explained
T. Marins et al, Structural and functional connectivity changes in response to short-term neurofeedback training with motor imagery, NeuroImage (2019). DOI: 10.1016 / j.neuroimage.2019.03.027
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Train your brain, change your brain (2019, April 15)
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