As Alzheimer’s disease pathology advances, tangles propagate throughout the brain in a fairly stereotypical pattern. Yet tau PET scans of people at the same disease stage are not identical. Could ...

In a paper titled, "Multimodal MRI reveals brainstem connections that sustain wakefulness in human consciousness," published today in Science Translational Medicine, a group of researchers at ...

A new study involved high-resolution scans that enabled the researchers to visualize brain connections at submillimeter spatial resolution. Together, these pathways form a 'default ascending arousal ...