Brains are like sponges, slurping up new information. But sponges may also be a little bit like brains. Sponges, which are humans’ very distant evolutionary relatives, don’t have nervous systems. But ...

Others, however, believed that the peripheral nervous system (nerves that connect the body's extremities to the brain) played a larger role, as nerves in the moving limbs produced feedback signals ...

The immune system may play a fundamental role along with the central nervous system in amyotrophic lateral sclerosis (ALS), also known as 'Lou Gehrig's disease,' researchers report. The immune system ...

Each part of the nervous system uses internal checks and balances to regulate its activity, responding to various factors like mood, health status, and the external environment.¹ These regulatory ...

There are key differences in how men and women respond to stress and process emotions and events through the nervous system. Amelia Chapman of Mind Body Amore says it’s not a one-size-fits-all ...

Strange sea creatures called ctenophores have a fused nerve net where scientists expected to see synapses. Did they evolve their nervous system separately from other animals? When you purchase through ...