Hyperactivity and Learning disability

Hyperactivity noun - A condition characterized by excessive restlessness and movement.

Learning disability and hyperactivity are semantically related. In some cases you can use "Learning disability" instead a noun "Hyperactivity".

Learning disability noun - A disorder found in children of normal intelligence who have difficulties in learning specific skills.

Hyperactivity and learning disability are semantically related. You can use "Hyperactivity" instead a noun phrase "Learning disability".