TES-TI for Brain Stimulation

(MINT Trial)

This trial explores how a non-invasive brain stimulation technique, transcranial electrical stimulation with temporal interference (TES-TI), affects brain activity in healthy adults. Participants will undergo three sessions where an EEG will record their brain activity during customized electrical stimulation. Researchers are testing different settings to observe changes in brain responses. This study suits healthy individuals without a history of neurological disorders or significant head injuries. Participants must be comfortable lying still with their eyes closed during the sessions. As an unphased trial, this study offers participants the chance to contribute to groundbreaking research in brain stimulation techniques.

You may need to stop taking certain medications that are known to lower the seizure threshold, like chlorpromazine or clozapine. The trial protocol does not specify other medications, so it's best to discuss your current medications with the study team.

Research has shown that transcranial electrical stimulation with temporal interference (TES-TI) is generally safe. Studies have found that TES-TI can be used safely at various settings. Most participants experience only mild and temporary side effects, such as tingling or slight discomfort at the electrode sites. These studies have reported no serious problems directly caused by TES-TI.

As a non-invasive brain stimulation method, TES-TI does not involve surgery or breaking the skin, making it less risky than more invasive procedures. Overall, evidence suggests that TES-TI is a safe option for those considering participation in trials using this treatment.

Researchers are excited about the TES-TI brain stimulation technique because it offers a novel approach to non-invasively modulating brain activity using transcranial electrical stimulation with temporal interference. Unlike standard treatments like medications or traditional brain stimulation methods, TES-TI targets specific brain regions more precisely by delivering electrical currents at varying frequencies, potentially reducing unwanted side effects. This method could improve our understanding of brain function and lead to more personalized and effective interventions for neurological conditions. By comparing different stimulation patterns and frequencies, this trial aims to uncover optimal settings for therapeutic brain stimulation.

Research has shown that transcranial electrical stimulation with temporal interference (TES-TI) can target and activate specific deep brain areas, such as the hippocampus. This method precisely alters brain activity without surgery. Studies have found TES-TI to be safe and well-tolerated, with no major short-term side effects. It has also improved deep sleep, which is crucial for feeling rested. In this trial, participants will experience different TES-TI conditions across various sessions to assess its effects. Although more research is needed on long-term safety, current evidence suggests that TES-TI can safely and effectively adjust brain activity.¹²³⁴⁵