People under stress may find it harder to orient themselves in space, and researchers in Bochum have identified a possible reason why. The stress hormone cortisol appears to interfere with the brain system that helps people navigate. It weakens the activity of grid cells, which are important for spatial orientation. Researchers at Ruhr University Bochum [...]

Scientists have discovered that the brain’s sensory systems play a much larger role in speech learning than previously believed. New research suggests that learning to speak a new language, or recovering speech after injury, relies more heavily on the brain’s sensory systems than on regions responsible for controlling movement. The findings, from researchers at McGill [...]