Which of the following is not a central characteristic of childhood autism?: (A) Impaired social interaction, (B) Impaired communication, (C) Restricted, repetitive behaviour, (D) Callous and unemotional traits
Answer is D. Callous and unemotional traits (CU) are distinguished by a persistent pattern of behavior that reflects a disregard for others, and also a lack of empathy and generally deficient affect seen in conduct disorder and antisocial personality disorder. Reference: GHAI Essential pediatrics, 8th edition