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Related Experiment Video

Updated: Jul 10, 2026

Transcranial Magnetic Stimulation for Investigating Causal Brain-behavioral Relationships and their Time Course
11:33

Transcranial Magnetic Stimulation for Investigating Causal Brain-behavioral Relationships and their Time Course

Published on: July 18, 2014

Transcranial magnetic stimulation.

V E Amassian, P J Maccabee

    Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
    |October 20, 2007
    PubMed
    Summary
    This summary is machine-generated.

    Transcranial magnetic stimulation (TMS) non-invasively studies brain functions. This research explores neuron excitation, optimal stimulation, transynaptic effects, and pulse types for better understanding brain activity.

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    Last Updated: Jul 10, 2026

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    Measuring and Manipulating Functionally Specific Neural Pathways in the Human Motor System with Transcranial Magnetic Stimulation

    Published on: February 23, 2020

    Area of Science:

    • Neuroscience
    • Neurophysiology
    • Brain Stimulation Techniques

    Background:

    • Transcranial magnetic stimulation (TMS) offers a non-invasive method for brain stimulation.
    • It allows for the study of cerebral functions in both healthy individuals and patients.
    • Previous research has laid the groundwork for understanding TMS mechanisms.

    Purpose of the Study:

    • To elucidate the specific neuronal components directly excited by TMS.
    • To determine the optimal alignment between induced electric fields and neuronal orientation for effective stimulation.
    • To investigate the local and distant transynaptic influences of directly stimulated neurons.
    • To compare the effects of repetitive TMS versus single-pulse TMS on brain activity.

    Main Methods:

    • Utilizing TMS to deliver controlled magnetic pulses to the brain.
    • Analyzing neuronal responses to varying TMS parameters and orientations.
    • Investigating signal propagation and network effects following direct neuronal activation.
    • Comparing outcomes from different TMS protocols (single vs. repetitive pulses).

    Main Results:

    • Identified specific neuronal parts susceptible to direct TMS excitation.
    • Established a correlation between electric field orientation and neuronal excitation efficiency.
    • Characterized the spread and impact of transynaptic signaling.
    • Differentiated the functional outcomes of single-pulse versus repetitive TMS.

    Conclusions:

    • TMS is a valuable tool for investigating neuronal excitability and connectivity.
    • Understanding the biophysical interactions between TMS and neurons is crucial for targeted brain modulation.
    • The study provides insights into the mechanisms underlying TMS effects, informing future research and therapeutic applications.