Answer:
Autism
Explanation:
Autism or Autism Spectrum Disorder is a developmental neurological disorder. This is characterized by the challenges of social skills, repetitive behavior and speech, and non-verbal communication.
Autism has sub-types. Most of the sub-types of autism are influenced by environmental and genetic factors. Each of the children has a different level of difficulty.
Thus four years Vinicius not approaching in the class when other students ask him to play. These symptoms that Vinicius indicated that he is suffering from Autism disorder.