Подробнее о состоянии «вертится на языке» см.: Donna J. Dahlgren, «Impact of Knowledge and Age on Tip-of-the-Tongue Rates,» Experimental Aging Research 24 (2) (1998): 139–153; Marilyn K. Heine, Beth A. Ober, and Gregory K. Shenaut, «Naturally Occurring and Experimentally Induced Tip-of-the-Tongue Experiences in Three Adult Age Groups,» Psychology and Aging 14 (3) (1999): 445–457.