Experimental electron micrograph of purified synaptic vesicles (upper). Synaptic vesicles automatically identified in the image with a new computer program are highlighted with different colours and ...

The idea that the nervous system passes messages from one nerve cell to another only through synapses — the points where the cells link up end to end — is changing. Two studies show how messages can ...

Brain tumors have long been treated as rogue invaders: growing, spreading, and resisting treatment on their own. But new ...

Neurotransmitters are chemical messengers that help nerve cells (neurons) communicate with one another. These chemical messengers affect the brain by either exciting (stimulating), inhibiting ...