A perception of sustained focus may actually be the result of cycles of fluctuating rather than continuous neural activity, according to new behavioral and neurological data from studies in humans and macaques.

Researchers directly recorded neural activity in both sides of the brain’s cortex during the movement of only one arm in humans.

The hybrid cells promote tumor heterogeneity and possible metastasis, a new study in mice and humans shows.

Neurons of the embryonic subplate don’t die as scientists had thought.

Species with larger pancreatic cells tend to have shorter lives, according to a study.  

Both higher education and industry associations were advocating for a later implementation date for the Common Rule, which governs human studies.

Humans can remember new sensory information presented during REM sleep, but this ability is suppressed during deep, slow-wave slumber.

Less than half of completed stem cell studies in humans are published in peer-reviewed journals, according to an analysis of regenerative medicine trials.