Psychopaths could be best financial traders?

Reuters reports:

A team of U.S. scientists has found the emotionally impaired are more willing to gamble for high stakes and that people with brain damage may make good financial decisions, the Times newspaper reported Monday.

In a study of investors' behavior 41 people with normal IQs were asked to play a simple investment game. Fifteen of the group had suffered lesions on the areas of the brain that affect emotions.

The result was those with brain damage outperformed those without.

Are they trying to tell us something about certain,great,famous traders?