Abstract
Steegers et al. using data from the Generation R cohort study examined whether set-shifting difficulties at age 4 predict body dissatisfaction, weight status, and restrictive eating at age 9 as a way to examine whether cognitive rigidity was a risk factor for an eating disorder. The authors concluded that set-shifting difficulties problems were predictive of features of anorexia nervosa. An alternative interpretation is that set shifting is predictive of large weight changes and eating behaviors more generally. It is not clear that set-shifting predicts becoming underweight. Set shifting appears protective against larger weight gains. It is possible that set shifting is related to degree to which the children resist the myriad of cues to eat for reasons other than hunger. Whether this is due to a higher degree of awareness, genetics, or other reasons should be investigated. The results demonstrate that the cognitive process that relate to restrictive behaviors are complex. To better understand those relationships, it will be essential for the field to adopt a conceptualization of eating disorders that includes the earliest stages (disordered eating) of the full range of eating disorders.
Published Version
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