Valentin Riedl ­­­­

Brain Scientist, and making films about science

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Study on heterogeneous effects of TMS published in Science Advances

Jan 2020: Transcranial magnetic stimulation (TMS) is a noninvasive method to modulate brain activity and behavior in humans. Still, stimulation effects substantially vary across studies and individuals, thereby restricting the large-scale application of TMS in research or clinical settings. We revealed that low-frequency stimulation had opposite impact 

on the functional connectivity of sensory and cognitive brain regions. Biophysical modeling then identified a neuronal mechanism underlying these region-specific effects. We revealed how TMS modulation critically depends on the connectivity profile of target regions and propose an imaging marker to improve sensitivity of noninvasive brain stimulation for research and clinical applications. link to open access paper: The physiological effects of noninvasive brain stimulation fundamentally differ across the human cortex. G. Castrillon, N. Sollmann, K. Kurcyus, A. Razi, S. M. Krieg, V. Riedl. Science Advances, 6, eaay2739 (2020).