Synonyms
Purging disorder
Definition
Rumination disorder is defined in the Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5 American Psychiatric Association 2013) as a feeding and eating disorder characterized by the repeated and frequent regurgitation of food. Regurgitation typically occurs after feeding or eating and the food may be re-chewed, reswallowed, or spit out.
Categorization
The disorder is classified with the feeding and eating disorders in DSM-5.
Current Knowledge
Development and Course
The development of rumination disorder may occur across the lifespan. Risk factors include neglect, stress, and poor parent-child relationships. In infants, age of onset typically occurs between 3 and 12 months and is characterized by avoidant behaviors (e.g., straining and arching the back), irritability, increased hunger between episodes, weight loss, and malnutrition. Malnutrition is also common in older children and adults. Additionally, older children and adults...
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References and Readings
American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (DSM-5 ®). Washington, DC: American Psychiatric Association.
Delaney, C. B., Eddy, K. T., Hartmann, A. S., Becker, A. E., Murray, H. B., & Thomas, J. J. (2015). Pica and rumination behavior among individuals seeking treatment for eating disorders or obesity. International Journal of Eating Disorders, 48(2), 238–248.
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Graham, K.M. (2018). Rumination Disorder. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-57111-9_9186
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DOI: https://doi.org/10.1007/978-3-319-57111-9_9186
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-319-57111-9
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