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 ...

When it comes to tau tangles, cortical deposits receive the lion’s share of scientists’ attention, but it is the tiny subcortical regions where tangles originate that might set the course for ...