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Tag "neuroscience"

Russian Researchers Unveil Mechanism Underlying Language Processing Disruptions in Epilepsy Patients

Russian Researchers Unveil Mechanism Underlying Language Processing Disruptions in Epilepsy Patients
Researchers at HSE University and the Pirogov National Medical and Surgical Centre have examined alterations induced by epilepsy in the language-related neural network within the brain. Using graph-based analysis, the researchers studied fMRI data from 28 patients and found that in epilepsy, both hemispheres of the brain become activated during language processing and short connections form between the hemispheres, while long connections within one hemisphere are disrupted. The study has been published in Epilepsy&Behavior.

HSE Creates ‘Transfer of Neurocognitive Technologies’ Consortium

HSE Creates ‘Transfer of Neurocognitive Technologies’ Consortium
HSE, the Pirogov National Medical and Surgical Centre, and the Centre for Speech Pathology and Neurorehabilitation of the Moscow Healthcare Department have signed an agreement on cooperation and the creation of a ‘neuro-consortium’ under the name ‘Transfer of Neurocognitive Technologies’. The new body will boost the development and implementation of advanced solutions in neurotechnology aimed at maintaining and improving people's health. The agreement was signed for five years, and the consortium is open to new participants.

'While it May Sound Futuristic, It Holds Great Promise': Olga Dragoy Shares Her Thoughts on Language Function Restoration and the Future of Neurotechnology

'While it May Sound Futuristic, It Holds Great Promise': Olga Dragoy Shares Her Thoughts on Language Function Restoration and the Future of Neurotechnology
In the spring of 2023, the fifth strategic project of the Priority 2030 programme, 'Human Brain Resilience: Neurocognitive Technologies for Adaptation, Learning, Development and Rehabilitation in a Changing Environment,' was launched at HSE University. The strategic project brings together researchers from all campuses of HSE University. In her interview with the HSE News Service, Olga Dragoy, head of the strategic project and Director of the HSE Centre for Language and Brain, shares an overview of the advanced technologies neuroscientists are creating today, the underlying inspiration driving these efforts, and the operational dynamics of interdisciplinary applied projects.

The Brain Is a Network of Networks. Scientists Have Found a Way to Unravel Them

The Brain Is a Network of Networks. Scientists Have Found a Way to Unravel Them
A team of researchers from HSE University and the Artificial Intelligence Research Institute (AIRI) have demonstrated the effectiveness of the PSIICOS method they had previously developed for non-invasive mapping the neural networks in the brain based on its electrical activity. Unlike other methods, it does not search for individual neuronal sources to be then combined into networks but instead looks directly for the functional networks of interconnected neuronal populations—and does so swiftly and accurately. The study findings have been published in NeuroImage.

HSE Neuroscientists Use Neural Network to Enhance Neurofeedback Technology

HSE Neuroscientists Use Neural Network to Enhance Neurofeedback Technology
Researchers from HSE University and the Artificial Intelligence Research Institute (AIRI) have successfully lowered the latency between a change in brain activity and the presentation of the corresponding neurofeedback signal by a factor of 50. The results were obtained by employing a neural network trained in low-latency filtering of brain activity signals from diverse individuals. This approach opens up new prospects for the treatment of attention deficit disorder and epilepsy. A paper with the study findings has been published in Journal of Neural Engineering.

Online Rhythmic Transcranial Magnetic Stimulation Can Reveal the Precise Moment When Preferences Shift in the Human Brain

Online Rhythmic Transcranial Magnetic Stimulation Can Reveal the Precise Moment When Preferences Shift in the Human Brain
Cognitive dissonance is a complex and multifaceted psychological phenomenon that arises in challenging decision-making scenarios. Multiple regions of the brain participate in its occurrence, yet the neurodynamics of underlying cognitive mechanisms remain a subject of debate. Researchers from the HSE Institute for Cognitive Neuroscience have proposed the use of online transcranial magnetic stimulation applied to participants as they were actively engaged in tasks, to pinpoint the moment of cognitive dissonance resolution. Their findings have been published in a review paper in Frontiers in Human Neuroscience.

New Technologies for Preserving Brain Functions: ‘Not Magic, but Normal Engineering’

New Technologies for Preserving Brain Functions: ‘Not Magic, but Normal Engineering’
New methods of brain mapping will make it easier to identify the cortex areas responsible for speech functions and to perform operations on the brain, as well as reduce the likelihood of damage to important areas. In addition, this will allow for more frequent use of non-invasive methods for restoring speech and other functions lost due to injuries and illnesses.

Stimulating the Blood-Brain Barrier Can Help Patients with Alzheimer's

Stimulating the Blood-Brain Barrier Can Help Patients with Alzheimer's
Researchers at HSE University and the Russian Academy of Sciences Institute of Molecular Biology have proposed investigating the response of the blood-brain barrier (BBB), the brain's natural filter that becomes disrupted by the disease, to transcranial brain stimulation. Understanding how the BBB changes during stimulation can, in theory, enhance treatment by facilitating more effective delivery of medications to the brain in the early stages of the disease, and by providing therapeutic support for brain function in the latter stages. The study has been published in Communications Biology.

HSE Researchers Question the Correctness of Experiments Denying Free Will

HSE Researchers Question the Correctness of Experiments Denying Free Will
Neuroscientists from HSE University have criticized the famous studies that question the free will of our decisions. You can’t shift responsibility for your actions to the brain. The results of the new work were published in the Neuropsychologia journal.

‘We Are Developing Technologies to Support People and Strengthen the Intellect’

‘We Are Developing Technologies to Support People and Strengthen the Intellect’
HSE News Service spoke to Director of the Institute of Cognitive Neurosciences, Head of the Centre for Cognition and Decision Making at HSE University, Anna Shestakova about the achievements and goals of the new HSE University’s strategic project ‘Human Brain Resilience: Neurocognitive Technologies for Adaptation, Learning, Development, and Rehabilitation in a Changing Environment’.

 

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