The symptoms of IEED can be severe, with persistent and unremitting episodes.^{Dark FL, McGrath JJ, Ron MA} 

Involuntary crying and laughing may lead to anxiety, embarrassment, and depression, resulting in social isolation.^{Green RL, McAllister TW, Bernat JL; Shaibani AT, Sabbagh MN, Doody R; Black DW}

Involuntary emotional expression disrupts the lives of patients in both social and occupational settings.^{Arciniegas DB, Topkoff J; Green RL, McAllister TW, Bernat JL; Shaibani AT, Sabbagh MN, Doody R; Black DW}

Addressing IEED can help improve the lives of patients and their families and caregivers^{Moore ST, Gresham LS, Bromberg MB, et al}, thereby reducing its physical, emotional, and social impact. 

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