The brain became a celebrity this week when Ariana Grande shared the results of a scan of her brain seemingly showing signs of severe PTSD:

Is there any science behind this?

Not really.

The source of the scan isn’t clear but I’m 99% sure that the image was taken at one of Dr Daniel Amen’s controversial clinics. Amen uses similar graphics in his brain scans. If it is an Amen scan, then the ‘blobs’ seen on Grande’s brain represent areas of increased or decreased cerebral blood flow (C