Researchers describe the first complete wiring diagram of the nervous system of an animal, the roundworm Caenorhabditis elegans, used by scientists worldwide as a model organism. The study includes ...

This article discusses the autonomic nervous system, which is responsible for involuntary reactions such as heart rate, blood pressure and respiration. This is a Self-assessment article and comes with ...

The nervous system controls the activities of all body organs and tissues, receiving input from sensory organs and responding via effector organs. With around 100Â billion interconnected neurons, the ...

Fear is an emotion we all experience at one time or another, and its effects are important to understand when talking about disasters. As soon as you feel fear, the amygdala (a small almond-shaped ...

More than 30 years ago a team of scientists painstakingly traced the connections among each of the 302 nerve cells in the hermaphrodite Caenorhabditis elegans worm. But it took until now for someone ...