In the first comprehensive imaging study of attention-deficit/hyperactivity disorder in preschoolers, researchers have found evidence that structural changes in the brain are already recognizable at the age of 4.
“One of our big questions was thinking about an early-onset disorder and linking it to early onset brain anomalies,” said Lisa Jacobson, one of the researchers involved in the study, which appeared Monday in the Journal of the International Neuropsychological Society.
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