terminal lucidity; end-of-life rally
Medical and caregiving term for a sudden, temporary return of mental clarity or energy shortly before death in patients with dementia or terminal illness.
My grandmother with dementia showed terminal lucidity a few days before she passed away and called out the family members' names.
Terminal lucidity is a phenomenon occasionally reported in end-of-life care settings.
Compound of 終末期 (terminal stage) and 明晰 (clarity, lucidity). The term is a direct translation of the English 'terminal lucidity' and is used primarily in medical and caregiving contexts.