Non-Suicidal Self-Injury

GLOSSARY

The direct, deliberate destruction of one's own body tissue in the absence of suicidal intent. Often related to emotions such as loneliness and anxiety.

Flat illustration of a wounded hand with a bleeding cut for first aid training.
Flat illustration of a wounded hand with a bleeding cut for first aid training.

Reference:

Nock, M. K., & Favazza, A. R. (2009). Nonsuicidal self-injury: Definition and classification. In M. K. Nock (Ed.), Understanding nonsuicidal self-injury: Origins, assessment, and treatment (pp. 9–18). American Psychological Association. https://doi.org/10.1037/11875-001

Ahn, C. Y., Kim, J. H., Kim, S., Kim, J. W., Na, J. J., Seo, D. G., & Lee, J. S. (2025). The impact of negative emotions on adolescents’ nonsuicidal self-injury thoughts: An integrated application of machine learning and multilevel logistic models. Plos One, 20(11), e0320104. https://doi.org/10.1371/journal.pone.0320104