Resumen frĮsta revisión sistemática y metanálisis comparó las ineficiencias documentadas previamente en la coherencia central y el cambio de tareas entre personas con trastornos de la conducta alimentaria sin bajo peso (bulimia nervosa y trastorno por atracón) y personas con anorexia nerviosa. Clinically, this suggests that people with bulimia nervosa might benefit from adjunctive approaches to address these inefficiencies, such as cognitive remediation therapy. However, we found that people with bulimia nervosa clearly have central coherence and set-shifting inefficiencies which do not significantly differ from those observed in people with anorexia nervosa. Our meta-analysis was underpowered to make definitive judgments about people with binge-eating disorder. The effect sizes for people with nonunderweight eating disorders did not significantly differ from those for people with anorexia nervosa.
Similarly, people with anorexia nervosa (Hedge's g = −0.38, 95% CIs: −0.50, −0.26, p < .001) and bulimia nervosa (Hedge's g = −0.55, 95% CIs: −0.81, −0.29, p < .001), but not binge-eating disorder, had significantly poorer set-shifting than healthy controls. 002), but not binge-eating disorder, had significantly poorer central coherence than healthy controls. Random effects meta-regressions were used to test whether the effect sizes for people with nonunderweight eating disorders were significantly different from the effect sizes for people with anorexia nervosa. We performed random-effects meta-analyses on 16 studies (1,112 participants) for central coherence and 38 studies (3,505 participants) for set-shifting.
This systematic review and meta-analysis compared previously documented inefficiencies in central coherence and set-shifting between people with nonunderweight eating disorders (bulimia nervosa and binge-eating disorder) and people with anorexia nervosa.
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