The human nervous system must balance stable motor control with adaptability for learning new movements. Brain activity forms ...

The octopus nervous system is among the most unusual on Earth ... an axial nerve cord that undulates down the length of each arm, with nodes centered around each of the suckers.

These move towards the central nervous system (CNS). The CNS is the brain and spinal cord. It coordinates the responses. Messages are then sent back along different neurones to muscles which ...