The family of the Hollywood actor Bruce Willis says he has frontotemporal dementia which affects behavior and language.

好莱坞演员布鲁斯·威利斯的家人对外透露，威利斯患有额颞叶痴呆症，这种疾病会影响患者的行为和语言能力。

Frontotemporal dementia, or FTD, is a rare disease that affects parts of the brain controlling behavior and language.

额颞痴呆症是一种罕见的疾病，这种疾病会影响大脑中控制行为和语言的部分。