What You Should Know About ADHD

Attention deficit hyperactivity disorder (ADHD) is a mental health disorder that causes hyperactive and impulsive behaviors above the normal threshold. People who have ADHD might have trouble focusing on a single task as well, or remaining still over long periods of time. ADHD can affect both children and adults and is a disorder that’s recognized by the American Psychiatric Association.


Signs and Symptoms

When it comes to ADHD, there is a wide range of behaviors associated with it. Some people exhibit some or all of these behaviors as it depends on the type of ADHD they have. Some of the more common signs and symptoms include:


  • trouble focusing or concentrating on tasks
  • forgetfulness about completing tasks
  • being easily distracted 
  • difficulty sitting still
  • interrupting people when they’re talking

Types of ADHD

Predominantly inattentive

People with this type of ADHD have difficulty with focusing, finishing tasks, and following instructions. It’s also believed that some children with this type of ADHD may not receive a proper diagnosis because they don’t tend to disrupt the classroom. 


Predominantly hyperactive-impulsive type

People with this type of ADHD show impulsive behavior and hyperactivity. This might include signs of fidgeting, interrupting people, and the inability to wait their turn. People with predominantly hyperactive-impulsive ADHD also find it difficult to focus on tasks throughout the day.


Combined hyperactive-impulsive and inattentive type

People with this combined type of ADHD display both inattentive and hyperactive symptoms and is the most common type. People with this type exhibit behaviors associated with both predominantly inattentive and hyperactive-impulsive types.


What causes ADHD?

Despite the commonality of ADHD, doctors aren’t sure what causes the condition yet. It’s believed to be a neurological issue and that genetics may also play a part. Some research suggests that a reduction in dopamine could be a factor, as it plays a role in triggering emotional responses and movements. 


The PMI Research Centers are researching ADHD and are seeking new participants to join. Our studies seek to determine the safety and efficacy of an investigatory drug for the treatment of those with the disease. To see if you qualify for our study, you can fill out this form here.