Which pervasive developmental disorder is diagnosed when a child exhibits significant issues with social interaction, communication, imaginative use, and a limited range of activities?

Asperger's syndrome is a type of pervasive developmental disorder. It is characterized by difficulties in social interaction and nonverbal communication, along with restricted and repetitive patterns of behavior and interests. However, it does not typically involve significant issues with imaginative use. Rett syndrome is a rare genetic disorder that primarily affects girls and leads to severe cognitive and physical impairments. It does not match the description given in the question. Autism is a developmental disorder characterized by difficulties with social interaction and communication, and by restricted and repetitive behavior. Children with autism often have significant issues with social interaction, communication, imaginative use, and a limited range of activities, which matches the description given in the question. Childhood disintegrative disorder is a rare condition characterized by late onset of developmental delaysÔÇöor severe and sudden reversalsÔÇöin language, social function, and motor skills. While it involves issues with social interaction and communication, it does not typically involve issues with imaginative use.