fMRT

fMRT is an acronym that appears in scholarly literature but does not have a single, universally accepted definition. Its meaning is highly context-dependent and can vary by field or by author. In some medical imaging discussions, fMRT is used as a misnomer or shorthand for functional MRI (fMRI), a widely used method for measuring brain activity via magnetic resonance signals. However, most researchers reserve fMRI for this purpose and avoid using fMRT to prevent confusion.

A more established interpretation of fMRT in medical imaging is functional Magnetic Resonance Thermometry, a technique for real-time temperature mapping of tissue during thermal therapies such as focused ultrasound or laser ablation. In this context, fMRT describes MRI methods—often based on the proton resonance frequency shift—that estimate temperature changes noninvasively. This approach requires careful calibration and consideration of factors such as motion, magnetic field drift, and tissue properties that can affect accuracy.

Outside these contexts, the acronym may appear in specialized technical literature with other meanings, but such usages are uncommon and not standardized. Because there is no universally accepted definition, the precise meaning of fMRT should be inferred from the surrounding text or confirmed with the authors of a given work.

See also fMRI, MR thermometry, temperature mapping, acronyms in science.