How do we learn something new? How do tasks at a new job, lyrics to the latest hit song or directions to a friend's house become encoded in our brains? The broad answer is that our brains undergo ...

Synaptic pruning is the process in which the brain removes neurons and synapses that it does not need. This usually takes place when a person is 2–10 years old. The brain contains millions of neurons ...

When neuroscientists analyzed the exact properties of nerve connections in the brain, they made a startling observation: At a key connection, or synapse, messages are sent against the usual stream of ...