Author

U. Ziemann

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Open access Oct 2026

Aperiodic neural activity predicts cortical excitability in TMS-EEG

Background Fluctuating cortical excitability states are inherent to and critical for brain function. They can be probed non-invasively using transcranial magnetic stimulation (TMS) combined with electroencephalography (EEG) by measuring early local TMS-evoked potentials (EL-TEPs). Pre-stimulus periodic neural activity...

Timo van Hattem, Juliana R. Hougland, J. Gogulski et al. · bioRxiv · 0 citations

Open access Aug 2026

Aperiodic 1/f brain activity is associated with corticospinal excitability

BACKGROUND Electroencephalography (EEG) can be combined with transcranial magnetic stimulation (TMS) to perform brain-state-dependent stimulation. EEG-TMS studies have shown that corticospinal excitability, as measured via motor evoked potentials (MEPs), is associated with pre-stimulus periodic EEG features, such as se...

Juliana R. Hougland, Miriam Kirchhoff, Timo van Hattem et al. · NeuroImage · 1 citation

Open access Aug 2026

Pharmacological evidence for propagation dynamics of TMS-evoked potentials in the human brain.

BACKGROUND Transcranial magnetic stimulation-evoked potentials (TEPs) propagate from the stimulation site to distributed brain networks, with early propagation thought to occur predominantly through feedforward processes and later propagation through recurrent processes. We employed pharmacological manipulation to prob...

Zhong-Fei Bai, P. Belardinelli, P. C. Gordon et al. · Brain Stimulation · 0 citations