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National Research University Higher School of Economics

2 ARTICLES PUBLISHED IN JoVE

JoVE Core

Effects of Transcranial Alternating Current Stimulation on the Primary Motor Cortex by Online Combined Approach with Transcranial Magnetic Stimulation

Anna Shpektor^1,3, Maria Nazarova⁴, Matteo Feurra^1,2

¹School of Psychology, Centre for Cognition and Decision Making, National Research University Higher School of Economics, ²Department of Medicine, Surgery and Neuroscience, Unit of Neurology and Clinical Neurophysiology, Brain Investigation & Neuromodulation Lab. (Si-BIN Lab), Azienda Ospedaliera Universitaria of Siena, ³Department of Experimental Psychology, University of Oxford, ⁴Centre for Cognition and Decision Making, National Research University Higher School of Economics

Transcranial Alternating Current Stimulation (tACS) allows the modulation of cortical excitability in a frequency-specific fashion. Here we show a unique approach which combines online tACS with single pulse Transcranial Magnetic Stimulation (TMS) in order to "probe" cortical excitability by means of Motor Evoked Potentials.

Neuroscience

Post-Movie Subliminal Measurement (PMSM), for Investigating Implicit Social Bias

Mamdooh Afdile^1,3,5, Iiro P. Jääskeläinen^1,2,4

¹Department of Neuroscience and Biomedical Engineering, Aalto University, ²Advanced Magnetic Imaging (AMI) Centre, Aalto NeuroImaging, Aalto University, ³Department of Media, School of Arts Design and Architecture, Aalto University, ⁴International Laboratory for Social Neuroscience, Institute of Cognitive Neuroscience, National Research University Higher School of Economics, ⁵Department of Film and Media, Stockholm University of the Arts

This protocol describes the use of movies to investigate brain mechanisms underlying implicit social biases during functional magnetic resonance imaging. When the face of a protagonist is presented after a movie subliminally, it evokes an implicit response based on knowledge of the protagonist gained during the movie.