After being held captive for several months, the prisoner started to exhibit symptoms of Stockholm syndrome like developing positive emotions towards his captor and paranoia that rescuers are the enemy.

Psychologists can now diagnose many forms of autism, like Asperger syndrome, by identifying key symptoms like fixation and lack of emotional response.

The therapist knew that the patient was not cured of her syndrome because she still exhibited a number of unhealthy psychological symptoms.

All of the patients with the syndrome exhibited similar fits of depression, lethargy, and paranoia.

The most terrifying fact about sudden infant death syndrome (SIDS) is that unlike in typical syndromes, the infants are asymptomatic.