Schizotypal disorder

Question 1

What is the ICD-10 definition?

Answer 1

A disorder characterised by eccentric behaviour and anomalies of thinking and affect which resemble those seen in schizophrenia, though no definite and characteristic schizophrenic abnormalities occur at any stage.

Question 2

What symptoms are included?

Answer 2

• a cold or inappropriate affect
• anhedonia
• odd or eccentric behaviour
• a tendency to social withdrawal
• paranoid or bizarre ideas not amounting to true delusion
• obsessive ruminations
• thought disruption
• perceptual disturbances