SMU: Out-of-the-blue Panic Attacks Not Without Warning (1 of 2) (video) Southern Methodist University Share Print E-Mail Loading video... Caption Panic attacks that seem to strike out-of-the-blue are not without warning after all, says psychologist Alicia Meuret, Southern Methodist University, Dallas. A new study found significant physiological instability one hour before patients reported feeling a panic attack, Meuret says. The findings suggest potentially new treatments for panic, and re-examination of other "unexpected" medical problems, including seizures, strokes and manic episodes. Credit SMU Research Usage Restrictions Please credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.