Alexander Opitz

This study shows that stimulating prefrontal beta oscillations at specific phases improves distinct cognitive functions: response inhibition at peak and working memory at trough.

This study shows that TMS intensity modulates low-frequency LFP power and connectivity in non-human primates, with initial connectivity enhancement scaling with TMS intensity.

The paper develops and validates a multiscale cortical circuit model to simulate TMS-evoked responses, revealing mechanisms of cortical activation and inhibition.

This study examines phase-dependent motor cortex excitability in stroke survivors using EEG and TMS, finding similar patterns to healthy adults but with reduced phase preference in those with more severe motor symptoms.

This study investigates how tACS affects neural entrainment in a primate model of Parkinson's disease, finding that it can both disrupt and reestablish beta-band oscillations depending on stimulation parameters.

This study investigates how electric stimulation affects layer-specific LFPs in monkey V1, finding that deeper layers show phase-dependent changes while superficial layers do not.

This study investigates how neural oscillation phases affect corticospinal excitability and cortical responses during TMS, finding phase-dependent effects on TEP components and MEPs.

The paper develops a multi-scale model to simulate rTMS-induced synaptic plasticity in pyramidal neurons, showing frequency- and location-dependent changes in excitatory synapses.

This paper develops a finite element method model to translate low and medium intensity TMS findings from rodents to humans, showing how E-field values vary across species and coil types.

This study uses a computational model to show that tACS effects depend on intensity and frequency through non-linear entrainment and network dynamics.

This study compares TMS-targeted functional networks in human and non-human primate prefrontal cortex using electric field modeling and fMRI, identifying species-specific network differences.

This study investigates the direct and peripheral effects of TMS in non-human primates using invasive recordings, showing dose-dependent responses and spatial specificity.

This study shows that alternating current stimulation induces phase precession and synaptic plasticity in humans and non-human primates, providing causal evidence for its role in neuroplasticity.

This study evaluates how anatomical details affect electric fields in transcranial stimulation simulations using a non-human primate model.

This study determines the minimum effective dose for transcranial alternating current stimulation (tACS) by analyzing literature data and finding that 0.3 mV/mm in awake mammals induces significant neural effects with 80% probability.

This study investigates how the phase of mu and beta oscillations in the motor cortex affects corticospinal excitability using phase-specific transcranial magnetic stimulation.

This study investigates how transcranial alternating current stimulation affects spiking activity in computational models of single neocortical neurons, finding no effect on firing rate but entrainment in large pyramidal neurons.

The paper introduces NeMo-TMS, a toolbox for simulating TMS-induced neuronal and subcellular responses across scales, enabling detailed modeling of TMS effects.

This paper identifies lower dorsolateral prefrontal cortex as key for tDCS-induced working memory improvement using a novel meta-analytic method correlating electric field strength with performance.

This study shows that transcranial alternating current stimulation (TACS) modulates spike timing in awake nonhuman primates in a dose-dependent manner, with higher intensities increasing neuronal entrainment.

This study evaluates real-time EEG-TMS methods, finding that a new algorithm performs as well as existing methods but is more efficient.

This study investigates the electric field dynamics during multi-electrode transcranial electric stimulation in non-human primates, revealing nonlinear dependencies and a novel traveling wave phenomenon.

This study shows that transcranial direct current stimulation of the right inferior frontal gyrus modulates brain networks differently based on brain state and polarity.

The paper models TMS and TES electric fields in mouse, monkey, and human brains to compare induced field strengths across species.

This study establishes data and scanning conditions for reproducible, stable, and internally valid areal parcellations in non-human primates using fMRI.

The paper examines individual differences and reliability of full-brain transition profiles in resting-state fMRI data across 30 participants scanned 10 times.

This study measures the spatiotemporal electric fields induced by transcranial electric stimulation in humans and nonhuman primates using implanted electrodes, revealing field strength and distribution patterns.