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Jeroen Van Schependom is associate professor at the department of Electronics and Informatics (ETRO) and the AI supported modelling in clinical sciences (AIMS) at Vrije Universiteit Brussel. He works on the development of novel biomarkers for cognitive impairment, mainly for multiple sclerosis and Alzheimer’s disease, and explores novel treatments.

"Cognitive impairment is difficult to assess in an objective way. By analysing how the brain functions in novel ways we are developing novel biomarkers. These biomarkers will help to assess the effect of different treatments on cognitive functioning in a more reliable and faster way. "

Research Interests 

Neurophysiological signal processing

The billions of neurons inside our brain all produce tiny electrical currents. Using electroencephalography (EEG) or magnetoencephalography (MEG) we can measure the effects of the coordinated activity of millions of neurons as electrical potential differences on the skull (EEG) or as emerging magnetic fields (MEG). We know that these signals allow us to differentiate between ‘healthy’ brains and people affected by multiple sclerosis or Alzheimer’s disease. However, it is more difficult to extract a biomarker for cognitive functioning. That is why we are looking into novel dynamic approaches to describe ongoing brain activity.

Magnetic resonance imaging

Next to the brain’s electrical activity, we also take into account how it looks by taking 3D photographs in MRI scans. These scans are standardized in clinical practice and even help in the diagnosis of multiple sclerosis. However, novel developments are on the horizon driven by developments in machine learning, the availability of large datasets and novel acquisition paradigms.

Biomarker development

By combining the information we extract from EEG/MEG with information on how the brain looks, we aim at developing novel biomarkers for cognitive impairment and deterioration in MS and Alzheimer’s disease.

Electrical stimulation as a novel treatment paradigm

An exciting new treatment strategy may be the application of weak electrical fields on the human scalp by transcranial alternating current stimulation (tACS). It has already been shown in mice that the stimulation of a specific type of neuron enhances myelination and can thus provide a treatment for demyelinating diseases such as MS and AD. By developing in-house electronics and through (pre-)clinical research studies, we aim at exploring the capabilities of tACS as an alternative add-on treatment for MS.

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