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Abstract #0645

The TMSMR 28 channel RF coil: whole head imaging for the 3-axis TMS multichannel system

Lucia Navarro de Lara1,2, Jason Stockmann1,2, Boris Keil3, Azma Mareyam1, Mohammad Daneshzand1,2, Larry Wald1,2, and Aapo Nummenmaa1,2
1Martinos Center - MGH, Charlestown, MA, United States, 2Harvard Medical School, Boston, MA, United States, 3Institute of Medical Physics and Radiation Protection, Technische Hochschule Mittelhessen, Giessen, Germany


Multichannel Transcranial Magnetic Stimulation is an emerging technology for non-invasive stimulation of the human brain. Combining this technique with fMRI offers the unique benefits of studying the causal relationships between the cortical and subcortical nodes of large-scale brain networks. For this reason a whole head 28-channel RF coil array was developed to be integrated with the first 3-axis-TMS multichannel system. We have analyzed how the SNR of the constructed array changes when placing the stimulation units. Additionally, we compared the SNR/g-factor maps with commercial available 32/20-channel RF coils. The results show that the RF coil is performing as expected.

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