Answer:
A disorder characterized by deficits in social relatedness and communication skills, and often accompanied by repetitive, ritualistic behavior, is called autism.
Explanation:
Autism is one of a group of neurodevelopmental disorders known as pervasive developmental disorders (PDD). These disorders are characterized by three core deficits: impaired communication, impaired reciprocal social interaction and restricted, repetitive and stereotyped patterns of behaviors or interests.
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