Attention Deficit Hyperactivity Disorder Medical Definition

NIMH » Attention-Deficit/Hyperactivity Disorder

https://www.nimh.nih.gov/health/topics/attention-deficit-hyperactivity-disorder-adhd

Hyperactivity means a person may seem to move about constantly, including in situations when it is not appropriate, or excessively fidgets, taps, or talks. In adults, hyperactivity may mean extreme restlessness or talking too much. Impulsivity means a person may act …

What is ADHD? | CDC - Centers for Disease Control and Prevention

https://www.cdc.gov/ncbddd/adhd/facts.html

Adult attention-deficit/hyperactivity disorder (ADHD)

https://www.mayoclinic.org/diseases-conditions/adult-adhd/symptoms-causes/syc-20350878

Adult attention-deficit/hyperactivity disorder (ADHD) is a mental health disorder that includes a combination of persistent problems, such as difficulty …

Attention-deficit/hyperactivity disorder (ADHD) in children

https://www.mayoclinic.org/diseases-conditions/adhd/symptoms-causes/syc-20350889

Attention-deficit/hyperactivity disorder (ADHD) is a chronic condition that affects millions of children and often continues into adulthood. ADHD includes a …

Symptoms and Diagnosis of ADHD | CDC

https://www.cdc.gov/ncbddd/adhd/diagnosis.html

Often has trouble holding attention on tasks or play activities. Often does not seem to listen when spoken to directly. Often does not follow through on instructions and …

Attention-Deficit / Hyperactivity Disorder (ADHD) in Children

https://www.hopkinsmedicine.org/health/conditions-and-diseases/adhdadd

ADHD, also called attention-deficit disorder, is a behavior disorder, usually first diagnosed in childhood, that is characterized by inattention, impulsivity, and, in some …

Attention Deficit Hyperactivity Disorder (ADHD) - WebMD

https://www.webmd.com/add-adhd/childhood-adhd/attention-deficit-hyperactivity-disorder-adhd

ADHD stands for attention deficit hyperactivity disorder. It’s a brain disorder that affects how you pay attention, sit still, and control your behavior. It …

Attention deficit hyperactivity disorder - Medical Dictionary

https://medical-dictionary.thefreedictionary.com/attention+deficit+hyperactivity+disorder

attention deficit hyperactivity disorder n. Abbr. ADHD A neurodevelopmental disorder that begins in childhood, characterized by persistent impulsiveness, difficulties in focusing …

Attention-deficit/hyperactivity disorder - Medical Dictionary

https://medical-dictionary.thefreedictionary.com/attention-deficit%2fhyperactivity+disorder

a childhood mental disorder characterized by inattention (such as distractibility, forgetfulness, not finishing tasks, and not appearing to listen), hyperactivity, and …

ADHD: Signs, Symptoms, and Sub-Types

https://www.verywellmind.com/adhd-symptoms-4157281

Attention-deficit hyperactivity disorder (ADHD) is a behavioral condition usually diagnosed during childhood. It is characterized by symptoms including …