Too much of a good thing? A new role for serotonin in the human spinal cord

Serotonin is one of the “feel good” neuromodulators floating around in the central nervous system, however, it doesn’t just play a role when it comes to our mood. Serotonin plays a very important role in transmitting impulses between nerve cells. More specifically, it affects the excitability of our motoneurones, the […]


How do we maintain reaching accuracy during body movement?

When reaching for an object we must compensate for any body movement that may take the arm off-target.  For example, reaching for a handrail when standing on a bus that suddenly accelerates requires detection and compensation for body movement relative to the handrail.  A key sensory system which can detect body […]