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Definition of Hyperphrenia
1. Noun. (context: psychology) A state of mental overactivity such as occurs in flights of ideas or in a manic episode. ¹
¹ Source: wiktionary.com
Medical Definition of Hyperphrenia
1. Rarely used term for an excessive degree of intellectual activity; a form of mania. Origin: hyper-+ G. Phren, mind (05 Mar 2000)