NCIt definition : A category of psychiatric disorders which are characterized by emotional or behavioral
symptoms that develop within 3 months of a stressor and do not persist for more than
an additional 6 months after the stressor is no longer present.;
Alternative definition : NCI-GLOSS: A condition in which a person responds to a stressful event (such as an
illness, job loss, or divorce) with extreme emotions and actions that cause problems
at work and home.;