However, boys with binge eating disorder did not have elevated gray matter density in these areas. It showed that, compared to a control group of 74 children who matched on age, body-mass index and developmental maturation, girls with binge eating disorder had elevated gray matter density in several parts of the brain known to be connected to impulse control and binge eating disorder symptoms. The research team was able to evaluate the gray matter density in the brains of the nine- and 10-year-olds in the study, via voxel-based morphometry, a neuroimaging technique which enables researchers to examine differences in structural brain anatomy across the entire brain. That figure changes among adults with adult males representing about 43% of those with binge eating disorders. In children, boys represent about 57% of those with binge eating disorder. assessing brain development, the researchers identified 38 boys and 33 girls who had a diagnosis of binge eating disorder from the study's 11,875 participants. Using data from the Adolescent Brain Cognitive Development study, the largest study in the U.S. At the same time, research has uncovered more and more evidence that eating disorders are diseases of the brain and not the result of social pressure or a lack of willpower, which Murray said are common misperceptions that have been disproved. It has become increasingly clear in recent years, however, that some eating disorders are actually nearly as prevalent among men and boys as among women and girls.
"As a result of the exclusion of boys and men, we have developed treatments only from studying females, which we then apply to boys and men and hope they work with the same efficacy." "Males have been excluded from research on eating disorders for decades," said Stuart Murray, DClinPsych, Ph.D., Della Martin Associate Professor of Psychiatry and the Behavioral Sciences at the Keck School of Medicine of USC, noting that the exclusion was perpetuated by the belief that it was uncommon for males to have eating disorders.
It also presents critical evidence that males, who in the past were left out of research on eating disorders, must be included in future efforts to understand the origins of eating disorders. The study, which builds on earlier work suggesting that binge eating disorder is wired in the brain from an early age, is an important first step in understanding the neurobiology of binge eating disorder and how it differs between the sexes.
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