Pantelis Lioumis

Matching Corticospinal and Cortical Excitability along the motor cortex: TMS-EMG-EEG study

This study investigates the relationship between cortical and corticospinal excitability thresholds along the motor cortex using TMS-EMG-EEG in 24 subjects, finding strong correlations and site-specific differences.

Disentangling evoked and induced activity from single-trial neurophysiological time series

This paper introduces EOIS, a framework to separate evoked, ongoing, and induced neural activity from single-trial data, enabling component-resolved analysis and applications in biomarker refinement and neuromodulation.

Real-time noise cancellation for EEG monitoring and brain-computer interfaces

This paper introduces rtSOUND, a real-time EEG noise cancellation algorithm that improves signal-to-noise ratio for brain-computer interfaces and monitoring applications.

MEG-informed navigated TMS for individualized speech cortical mapping

This study uses MEG data to guide TMS timing and location for individualized speech cortical mapping, improving accuracy by aligning TMS with MEG-defined activation patterns.

EEG-guided robotic control of transcranial magnetic stimulation

This paper develops an EEG-guided robotic TMS system that controls both pulse timing and location in real time, improving closed-loop neurostimulation for research and clinical applications.

TMS timed to interictal epileptiform discharges

This study demonstrates the feasibility of timing transcranial magnetic stimulation (TMS) to interictal epileptiform discharges (IEDs) in children with SeLECTS using a CNN-based EEG pipeline.

Distinct cortical excitability and connectivity profiles within the human SMA complex

This study identifies distinct neurophysiological and structural connectivity profiles in the human SMA complex using TMS-EEG and diffusion-weighted connectomics.

TMS-EEG Indices to Define Local Cortical Excitability Thresholds

This study identifies TMS-EEG signal thresholds by analyzing intensity-dependent changes in TEP responses to improve individualized stimulation dosing.

Predictive modeling of TMS-evoked responses: Unraveling instantaneous excitability states

The paper develops a method to predict TMS-evoked responses using pre-stimulus EEG features and finds that alpha, beta, and gamma oscillations correlate with TEP and MEP amplitudes.

Fast and standardized motor-hotspot determination with automated TMS mapping

This paper develops an automated algorithm for determining motor hotspots and thresholds in TMS, achieving faster and more accurate results than previous methods.

Characterizing an electronic-robotic targeting platform for precise and fast brain stimulation with multi-locus transcranial magnetic stimulation

This paper characterizes an open-source electronic-robotic mTMS platform that improves the accuracy and automation of brain stimulation targeting.

The dependency of TMS-evoked potentials on electric-field orientation in the cortex

This study examines how TMS-evoked EEG responses depend on the orientation of the stimulating electric field, showing strong amplitude variations in early peaks and suggesting orientation-dependent network effects.

Automated speech artefact removal from MEG data utilizing facial gestures and mutual information

This paper introduces an automated method to remove speech artefacts from MEG data using EMG and mutual information, improving the analysis of speech-related neural activity.

Test-retest reliability of TMS-evoked potentials over fMRI-based definitions of non-motor cortical targets

This study evaluates the test-retest reliability of TMS-evoked potentials in non-motor cortical regions compared to motor cortex, finding lower reliability in non-motor areas and suggesting improvements through real-time monitoring.

Optimization of TMS target engagement: novel evidence based on combined TMS-EEG and dMRI tractography of brain circuitry

The paper presents novel data using dMRI tractography-guided TMS-EEG on a single healthy young adult to better understand brain circuitry engagement during neuromodulation.

Real-time tractography-assisted neuronavigation for TMS

This paper develops a real-time tractography-assisted TMS neuronavigation system and demonstrates its feasibility through comparison with offline tractography results.

Local brain-state dependency of effective connectivity: evidence from TMS-EEG

This study investigates how pre-stimulus cortical oscillation phases affect TMS-evoked effective connectivity patterns using TMS-EEG in three subjects.