MRI signals don’t always match the brain’s true activity levels, overturning a core assumption used in tens of thousands of studies.

A new study fundamentally challenges how fMRI data are interpreted, finding no valid coupling between oxygen content measured ...

For almost three decades, functional magnetic resonance imaging (fMRI) has been one of the main tools in brain research. Yet ...

Psilocybin is a psychedelic drug with promising clinical applications for treating mood disorders and substance abuse ...

The venous system maintains the health of our brains by removing deoxygenated blood and other waste products, but its complexity and variability have made scientific study difficult. Now, a UC ...

Reactivity maps for female and male study participants comparing bright yellow (highly reactive, healthy) regions in the female brain, vs. the lower reactivity (greens and blues) more common in the ...

Contradiction to the prevailing paradigm in neuroimaging  - No general relationship between oxygen content and neuronal activity - Conventional MRI method should be complemented by quantitative ...