Experts have long suspected that attention-deficit/hyperactivity disorder has a biological basis, but EEG studies of electrical brain activity and imaging studies of brain structures and neurotransmitters have ________ differences between people with ADHD and control groups.

Question

Quizplus · Accepted Answer

Studies have struggled to find consistent differences in brain activity or structure between individuals with ADHD and those without, leading to the conclusion that the biological basis of ADHD is complex and not easily pinpointed through these methods.

Experts Have Long Suspected That Attention-Deficit/hyperactivity Disorder Has a Biological