Study Explores Impact of TMS Coil Designs on Phosphene Thresholds and Cortical Excitability

A recent study published in *BMC Neuroscience* examined the relationship between different types of transcranial magnetic stimulation (TMS) coils and their impact on phosphene thresholds, which serve as a measure of motor cortex excitability. The research, conducted by Fidancı, Alaydın, Cöddü, and their team, focused on how variations in coil design influence the brain’s response to TMS.

The study provides detailed insights into the role of TMS coil configurations in determining phosphene thresholds. Phosphene thresholds are used to assess cortical excitability by measuring the minimum stimulation intensity required to induce visual sensations known as phosphenes. The findings highlight how specific coil designs may affect this threshold differently, offering valuable data for further exploration into TMS applications. Researchers suggest that understanding these differences could have implications for both clinical and experimental uses of TMS technology.

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Date: December 1, 2025

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