A starchy food satiation procedure was evaluated in an ABAB withdrawal design on the post-meal rumination of a nine-year-old girl with autism. During treatment unlimited quantities of starchy foods were provided following each meal. High rates of rumination occurred during baseline conditions, followed by an immediate decrease in rumination during treatment. Rumination decreased to 82 and 97% of baseline during the ®rst and second treatment conditions, respectively. In addition, follow-up probes were conducted at irregular intervals for 4 years following treatment, during which zero or nearzero rates of rumination were sustained. This study extends the literature on the functional relation between increased starchy food quantity and rumination in adults to rumination with a young child, and demonstrates maintenance of the treatment effect for 4 years.

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