General anesthesia evokes a dual mystery: How does it disrupt consciousness, including sensory perception, and what might that say about the nature of consciousness. A new study led by researchers at ...

New research from the DZNE – German Center for Neurodegenerative Diseases – has found that some areas of the human brain ...

Our body movements profoundly impact how our brain processes sensory information. Historically, it was believed that the brain's primary motor cortex played a key role in modulating sensory ...

Graphesthesia, also called graphagnosia, is the ability to recognize symbols when they’re traced on the skin. “Graph” means writing and “esthesia” means sensing. This ability is a measure of cortical ...

When we touch something hot or cold, the temperature is consciously sensed. Previous studies have shown that the cortex, the ...

An amputee receives mirror therapy. Source: Donna Miles/Air Force Photos By Alexander Metz Searching for Explanations In recent years, and particularly with the advent of things like neuroimaging, ...

Under propofol general anesthesia, sensory input still reaches the brain, but signals do not spread. A new study suggests consciousness requires cortical regions to all be 'on the same page.' General ...