Read the passage below and answer the questions as instructed:-

Driving back home Shriya experienced increased heart beat, shortness of breath, dizziness, trembling, palpitations and she started having a feeling of discomfort. She was so scared that she stopped the car and sat on the pavement. In the next few months, frequency of these attacks increased, and the fear of being caught in the traffic was so high that she stopped driving. She felt that she was going crazy and losing control on herself.

Identify which of these is not an anxiety disorder?

Attention Deficit Hyperactivity Disorder

Among the options provided, "Attention Deficit Hyperactivity Disorder (ADHD)" is not an anxiety disorder. ADHD is a neurodevelopmental disorder that typically manifests as a persistent pattern of inattention and/or hyperactivity-impulsivity. It is distinct from anxiety disorders, which are characterized by excessive fear and worry.