A. V. Peterchev

Multi-scale model of axonal and dendritic polarization by transcranial direct current stimulation in realistic head geometry

This study quantifies neuronal polarization from tDCS in a multi-scale model, finding axonal and dendritic polarization exceeds somatic polarization.

Optimized Monophasic Pulses with Equivalent Electric Field for Rapid-Rate Transcranial Magnetic Stimulation

This paper designs optimized monophasic TMS pulses that reduce coil heating while maintaining neuromodulation effectiveness, enabling higher pulse rates.

Three Novel Methods for Determining Motor Threshold with Transcranial Magnetic Stimulation Outperform Conventional Procedures

The paper introduces three novel methods for determining motor threshold with TMS, showing they outperform conventional approaches in accuracy and efficiency.

Rapid estimation of cortical neuron activation thresholds by transcranial magnetic stimulation using convolutional neural networks

This paper develops 3D CNNs to rapidly estimate TMS activation thresholds for cortical neurons using local E-field data, achieving high accuracy and computational efficiency.

Responses of Model Cortical Neurons to Temporal Interference Stimulation and Related Transcranial Alternating Current Stimulation Modalities

This study simulates TIS and related stimulation modalities on model cortical neurons to analyze E-field characteristics and neural responses, finding that TIS can cause conduction block and periodic activation at high E-field strengths.

High Bandwidth Power Electronics and Magnetic Nanoparticles for Multichannel Magnetogenetic Neurostimulation

The paper presents a power electronic system and magnetic nanoparticles enabling three-channel magnetogenetic neurostimulation with selective heating across different frequency ranges.

Modular multilevel TMS device with wide output range and ultrabrief pulse capability for sound reduction

This paper introduces a modular multilevel TMS device capable of generating a wide range of pulse shapes and widths, enabling quieter TMS through shorter pulses.

Sub-second multi-channel magnetic control of select neural circuits in behaving flies

This study demonstrates sub-second, multichannel neural stimulation in flies using magnetic nanoparticles and temperature-sensitive ion channels, improving the temporal resolution of magnetogenetics.

Fast computational optimization of TMS coil placement for individualized electric field targeting

This paper introduces a fast computational method to optimize TMS coil placement for precise electric field targeting in the brain.

Older adults benefit from more widespread brain network integration during working memory

The paper examines how aging affects brain network integration during working memory tasks, finding that older adults show increased network integration with higher task difficulty and WM capacity.

Simulation of transcranial magnetic stimulation in head model with morphologically-realistic cortical neurons

This study simulates transcranial magnetic stimulation in a human head model with realistic cortical neurons to determine how stimulation parameters affect neural activation.

Conditions for numerically accurate TMS electric field simulation

This paper benchmarks TMS E-field simulation methods to determine mesh and model requirements for accuracy below 2%.

Statistical Model of Motor Evoked Potentials for Simulation of Transcranial Magnetic and Electric Stimulation

This paper develops a statistical model of motor evoked potentials (MEPs) to simulate individualized and population-level data for transcranial stimulation applications.

Complementary topology of maintenance and manipulation brain networks in working memory

The paper investigates how the brain maintains and manipulates information during working memory tasks, finding dissociable neural networks for these processes and increased segregation under higher demand.

Biophysically Realistic Neuron Models for Simulation of Cortical Stimulation

The paper develops biophysically realistic neuron models for simulating cortical responses to electromagnetic stimulation, showing agreement with experimental results on threshold and polarization characteristics.

Design of Transcranial Magnetic Stimulation Coils with Optimal Trade-off between Depth, Focality, and Energy

This paper designs TMS coils that optimize the trade-off between depth, focality, and energy, achieving up to 55% smaller stimulated volume compared to existing designs.

Coupling magnetically induced electric fields to neurons: longitudinal and transverse activation

This paper develops a theory and computational models to simulate how magnetically induced electric fields activate neurons, showing that transverse polarization and axonal geometry significantly affect activation thresholds.