MENTAL LEXICON By N., Sam M.S. - 48 is a store of the commonly used words, phrases and expressions that an individual utilizes on a day to day basis. Otherwise known as the lexical memory. MENTAL LEXICON: "Words, phrases and commonly encountered expressions are all stored within an individuals mental lexicon." Related Psychology Terms LANGUAGE (Psycholinguistics) Discrimination and Mental Illness in the LGBT Population EXPRESSIVE BEHAVIOR Dissociative Identity Disorder LEGAL PSYCHIATRY (Forensic Psychiatry) EARLY INFANTILE AUTISM Counselor's Role in Emergency Teams NATIONAL INSTITUTE OF MENTAL HEALTH (NIMII) CLINICAL PSYCHOLOGY ANTISOCIAL REACTION Cite this page: N., Sam M.S., "MENTAL LEXICON," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/mental-lexicon/ (accessed August 18, 2022).