Brain differences may be tied to obesity, study says.
Researchers found differences in the heaviest children’s brain scans, slightly less volume in the brain region behind the forehead that controls what are known as “executive function” tasks. They include things like ability to plan, control impulses and handle multiple tasks simultaneously.
The heaviest kids also had slightly worse scores on computer-based tests of executive function. But Mackey and lead author Jennifer Laurent, a University of Vermont obesity researcher, said it's unknown whether any of the differences had any meaningful effect on children’s academic functioning or behavior.
The new study raises the possibility that inflammatory changes affecting weight, brain structure and function might begin in childhood.
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