(hī'pĕr-frē'nē-ă), Rarely used term for an excessive degree of intellectual activity; a form of mania. [hyper- + G. phrēn, mind]
hyperphrenia
(hī″pĕr-frē′nē-ă) [Gr. hyper, over, above, excessive, + phren, mind] 1. Excessive mental activity, seen in the manic phase of manic-depressive psychosis. 2. Mental ability and capacity much greater than normal.