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February 2, 2026Scientific ReportsOpen Access

Intensity-dependent tACS entrainment effects in a cortical microcircuit: a computational study

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Authors

KPKyeongseop ParkHCHyeyeon ChungHSHyeon Seo

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Overview

A computational study investigates the effects of tACS on neural responses in a cortical microcircuit, suggesting optimization strategies for neuromodulation.

Key Points

  • The aim is to investigate how tACS affects neural entrainment in cortical microcircuits, particularly focusing on intensity and neuronal structure.
  • Developed a cortical microcircuit model using the NEURON simulation environment.
  • Integrated realistic neuronal morphologies, synaptic connectivity, and intrinsic oscillatory dynamics.
  • Assessed neural responses to varying tACS intensities using cross-correlation and phase coherence techniques.
  • tACS modulates spike timing without significantly altering overall firing rates.
  • Pyramidal neurons respond more sensitively to tACS compared to interneurons.
  • The outcome of tACS can either enhance or disrupt neural synchronization based on the natural oscillation and the intensity of stimulation.

Cite This Study

Park et al. (2026) studied this question.

synapsesocial.com/papers/6980fff5c1c9540dea812e6ahttps://doi.org/10.1038/s41598-026-37594-9
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