The US admiral's impulsive behaviour reflected the mood of a navy which had grown accustomed to overwhelming superiority.

Symptoms of ADHD include inability to focus, impulsive behaviour and poor organisational skills.

Sufferers may have difficulty focusing attention and remaining'on task' and show excessively impulsive behaviour and hyperactivity.

This is the opposite of rushed, rash, impulsive behaviour.

They were unable to play with one toy or complete one task, and they engaged in unusually impulsive behaviour.