Bruce Willis’s wife Emma Heming Willis says it is ‘hard to know’ if he is aware of condition

FTD is an umbrella term for a group of dementias which mainly affect the frontal and temporal lobes of the brain, which are responsible for such things as personality, behaviour, language and speech

Bruce Willis has frontotemporal dementia (Ian West/PA)

Emma Heming Willis, wife of Bruce Willis, has said that it is “hard to know” if the actor is fully aware of his condition – frontotemporal dementia (FTD).

His daughter Rumer Willis announced in a post to Instagram earlier in the year that the 68-year-old actor, known for his roles in Die Hard and The Sixth Sense, had been diagnosed with the condition.