H0359100 (hī′pərm-nē′zhə)n. Exceptionally exact or vivid memory, especially as associated with certain mental illnesses.[hyper- + (a)mnesia.]hy′perm·ne′sic(-zĭk, -sĭk) adj.
hypermnesic
(ˌhaɪpəˈmniːzɪk) adj (Medicine) med characterized by an unusually poignant and accurate memory of the pastMedicalSeehypermnesia