We can call them sibling conditions, since they both involve partly overlapping underlying brain mechanisms, and therefore attention should be paid to both dimensions during diagnosis Similar Brain Changes Seen in Those with ADHD and Emotional Instability Disorders By Traci Pedersen Clinical observation has long shown that individuals with attention-deficit/ hyperactivity disorder (ADHD) often have emotional problems, such as chaotic emotional responses, anxiety and depression. Yet the link between ADHD and impaired emotional regulation has not been identified, even though theories have proposed that both conditions are rooted in a dysfunction in how the brain processes information. Now a new Swedish study finds that the brains of people with ADHD…