In recent years, many engineers have been trying to develop hardware components that could emulate the functions of various biological systems, including synapses, the human skin and nerves. These bio ...

In an early-stage clinical trial, the therapy nearly doubled the expected survival time of young patients. Still, experts caution that more research is needed. Gavin Nielsen was 2 years old when ...

Several bird species are capable of imitating human speech. Some songbirds, corvids, and parrots also produce vocalizations to communicate. But how they do this and whether they do so in a similar way ...

PLAINFIELD, Ind. — Two inmates are being charged with felonies after a prison attack led to another inmate dying from a brain injury. Julius Stokes and Damarayon Harrison are charged with ...

MIT scientists have developed a way to convert skin stem cells directly into brain cells extremely efficiently, without needing to go through the intermediate step of converting them to stem cells ...

For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during ...

Arousal levels perpetually rise and fall spontaneously. How markers of arousal—pupil size and frequency content of brain activity—relate to each other and influence behavior in humans is poorly ...

The brainstem plays a crucial role in sleep-wake regulation. However, the ensemble dynamics underlying sleep regulation remain poorly understood. Here, we show slow, state-predictive brainstem ...

Clinical assessment of pupil appearance and pupillary light reflex (PLR) may inform us the integrity of the autonomic nervous system (ANS). Current clinical pupil assessment is limited to qualitative ...