A reflexive looking inward upon one’s own body, speech, and mind, with a special emphasis on observing mental states and processes. Introspection can be used to monitor the quality of one’s attention, recognizing when it has succumbed to dullness or distraction (Wallace, 2019).

Wallace, B. A. (2019). Four kinds of intelligence for optimal mental health and balance (1 of 8). The Meridian Trust