Food neophobia as a mechanism of change in video‐delivered cognitive‐behavioral therapy for avoidant/restrictive food intake disorder: A case study.
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| Title: | Food neophobia as a mechanism of change in video‐delivered cognitive‐behavioral therapy for avoidant/restrictive food intake disorder: A case study. |
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| Authors: | Burton Murray, Helen, Becker, Kendra R., Breithaupt, Lauren, Dreier, Melissa J., Eddy, Kamryn T., Thomas, Jennifer J. |
| Source: | International Journal of Eating Disorders. Aug2022, Vol. 55 Issue 8, p1156-1161. 6p. 1 Chart, 1 Graph. |
| Subjects: | Treatment of eating disorders, Food habits, Motivation (Psychology), Audiovisual materials, Desensitization (Psychotherapy), Treatment effectiveness, Pre-tests & post-tests, Severity of illness index, Descriptive statistics, Cognitive therapy, Behavior modification, Eating disorders, Telemedicine, Evaluation |
| Abstract: | Objective: The mechanisms through which cognitive‐behavioral therapies (CBTs) for avoidant/restrictive food intake disorder (ARFID) may work have yet to be elucidated. To inform future treatment revisions to increase parsimony and potency of CBT for ARFID (CBT‐AR), we evaluated change in food neophobia during CBT‐AR treatment of a sensory sensitivity ARFID presentation via a single case study. Method: An adolescent male completed 21, twice‐weekly sessions of CBT‐AR via live video delivery. From pre‐ to mid‐ to post‐treatment and at 2‐month follow‐up, we calculated percent change in food neophobia and ARFID symptom severity measures. Via visual inspection, we explored trajectories of week‐by‐week food neophobia in relation to clinical improvements (e.g., when the patient incorporated foods into daily life). Results: By post‐treatment, the patient achieved reductions across food neophobia (45%), and ARFID severity (53–57%) measures and no longer met criteria for ARFID, with sustained improvement at 2‐month follow‐up. Via visual inspection of week‐by‐week food neophobia trajectories, we identified that decreases occurred after mid‐treatment and were associated with incorporation of a food directly tied to the patient's main treatment motivation. Discussion: This study provides hypothesis‐generating findings on candidate CBT‐AR mechanisms, showing that changes in food neophobia were related to food exposures most connected to the patient's treatment motivations. Public significance: Cognitive‐behavioral therapies (CBTs) can be effective for treating avoidant/restrictive food intake disorder (ARFID). However, we do not yet have evidence to show how they work. This report of a single patient shows that willingness to try new foods (i.e., food neophobia), changed the most when the patient experienced a clinical improvement most relevant to his motivation for seeking treatment. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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| Abstract: | Objective: The mechanisms through which cognitive‐behavioral therapies (CBTs) for avoidant/restrictive food intake disorder (ARFID) may work have yet to be elucidated. To inform future treatment revisions to increase parsimony and potency of CBT for ARFID (CBT‐AR), we evaluated change in food neophobia during CBT‐AR treatment of a sensory sensitivity ARFID presentation via a single case study. Method: An adolescent male completed 21, twice‐weekly sessions of CBT‐AR via live video delivery. From pre‐ to mid‐ to post‐treatment and at 2‐month follow‐up, we calculated percent change in food neophobia and ARFID symptom severity measures. Via visual inspection, we explored trajectories of week‐by‐week food neophobia in relation to clinical improvements (e.g., when the patient incorporated foods into daily life). Results: By post‐treatment, the patient achieved reductions across food neophobia (45%), and ARFID severity (53–57%) measures and no longer met criteria for ARFID, with sustained improvement at 2‐month follow‐up. Via visual inspection of week‐by‐week food neophobia trajectories, we identified that decreases occurred after mid‐treatment and were associated with incorporation of a food directly tied to the patient's main treatment motivation. Discussion: This study provides hypothesis‐generating findings on candidate CBT‐AR mechanisms, showing that changes in food neophobia were related to food exposures most connected to the patient's treatment motivations. Public significance: Cognitive‐behavioral therapies (CBTs) can be effective for treating avoidant/restrictive food intake disorder (ARFID). However, we do not yet have evidence to show how they work. This report of a single patient shows that willingness to try new foods (i.e., food neophobia), changed the most when the patient experienced a clinical improvement most relevant to his motivation for seeking treatment. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 02763478 |
| DOI: | 10.1002/eat.23761 |
