Imagine seeing a furry, four-legged animal that meows. Mentally, you know what it is, but the word 'cat' is stuck on the tip of your tongue. This phenomenon, known as Broca's aphasia or expressive ...

Scientists have, for the first time, identified brain regions outside the front lobe involved in the intent to produce speech. Broca’s aphasia is caused by damage to the frontal lobe, leaves patients ...