They may struggle to hide them. Probably the most common early sign is short-term memory loss.

VOA: special.2011.02.08

Probably the most common early sign is short-term memory loss.

VOA: special.2009.09.15

On top of that, he purportedly suffered short-term memory loss as a result of traumatic brain injury.

FORBES: Former Marine Betrays Semper Fi In PGA Scam

Alex Dodds is now recovering, although one of the side effects is short-term memory loss which is slowly improving.

BBC: Sheffield & South Yorkshire - Children's hospital: Your stories

Friends said he was suffering from short-term memory loss and blurred vision.

BBC: UK