MRI-guided neuronavigation

Transcranial Magnetic Stimulation (TMS) requires accurate placement of the TMS coil over the targeted brain area. Conventional TMS coil placement methods are based on external landmarks of the head (5 cm rule, 10-20 EEG), which leads to inaccuracies in targeting the correct brain area. This results in suboptimal stimulation in research and clinical TMS applications and high variability in treatment outcome. To overcome this problem, Brain Science Tools developed MRI-guided neuronavigation, which results in more precise and consistent delivery of TMS pulses. Neuronavigation aligns an MRI scan with the head of the patient through an aligment procedure and allows real-time tracking of the TMS coil and the head of the patient. This allows accurately guidance of the TMS coil to the intended neuroanatomical structure with millimeter precision. Several groups have now demonstrated clearly increased efficiency of rTMS in treatment of e.g depression (Fitzgerald, 2009).

MRI-guided neuronavigation

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Further reading

Added value of MRI-guided neuronavigation

Transcranial Magnetic Stimulation (TMS) requires accurate placement of the TMS coil over the targeted brain area. Conventional placement methods in TMS are based merely on external landmarks of the head (5 cm rule, 10-20 EEG). This leads to inaccuracies in …

Read More

Added value of MRI-guided neuronavigation

EM versus optical tracking in neuronavigation

During neuronavigation, the 3D position and angle of the TMS coil, a digitizing stylus and the head of the patient typically must be known at all times. Position tracking can be performed either using optical tracking with large cameras, or …

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EM versus optical tracking in neuronavigation