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. 2021 Aug 9;8(8):1200–1205. doi: 10.1002/mdc3.13316

TABLE 1.

Comparison of TikTok tics to historical data

TikTok videos Literature
Body distribution Percent present in videos Average tics per minute Lifetime prevalence
Eye 71.4 6 94%–100% 13 , 14 , 15
Head, neck and shoulder 89 7.25 89%–92% 15
Arms 85.7 11 51%–80% 15
Legs 1.4 0 40%–55% 15
Trunk and pelvis 0.89 0 41%–54% 15
Coprolalia 50 2 8%–14% 13 , 14 , 15 , 16
Echolalia 0 0 20%–44% 15
Vocal tics 100 23 87% 17
Motor tics 100 35 100% 17
Total tics 29 0–13 per minute 18 , 19 , 20
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