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DSM-V describes three eating disorders (anorexia nervosa, bulimia nervosa, and binge eating disorder), three feeding disorders (avoidant/restrictive food intake disorder, pica, and rumination disorder), and two residual feeding and eating disorder categories (APA, 2013). Although these disorders contain some overlapping features, an individual can receive just one feeding or eating disorder diagnosis at a time. The only exception is pica, which can be diagnosed concurrently with another feeding or eating disorder if the pica behavior is severe enough to warrant additional clinical attention.
This chapter provides a basic introduction to the relationship between thoughts, feelings, and behaviors, and introduces our cognitive-behavioral model of ARFID. We return to the case examples from Chapter 1 to illustrate a cognitive-behavioral understanding of sensory sensitivity, fear of aversive consequences, and lack of interest in eating or food.
This chapter explains what avoidant/restrictive food intake disorder (ARFID) is and provides diverse and relatable case examples of each of the three prototypical ARFID presentations, including sensory sensitivity, fear of aversive consequences, and lack of interest in eating or food.
This chapter will help the reader assess the adequacy of his of her current diet and determine which module(s) (described in chapters 6, 7, and 8) is/are most appropriate to complete as next steps. Key components of this chapter will include:
Information about common nutrition deficiencies observed in ARFID
The five basic food groups (from US MyPlate schematic) and the importance of eating a varied diet
Strategically selecting fruits, vegetables, proteins, dairy, and grains to learn about that will support resolution of nutrition deficiencies, encourage further weight gain (if needed), and/or reduce psychosocial impairment
Selecting whether to tackle sensory sensitivity, fear of aversive consequences, and/or lack of interest in eating or food, and in what order