Autism is a neurodevelopmental disorder that occurs in infancy and childhood. It progresses with delays in development stages. It causes difficulties in communication and social interaction, repetitive behaviors and daily routines and stereotypical movements.
DSM-V and ICD-10, worldwide known diagnostic criteria in medicine, describe autism within the scope of neurodevelopmental disorders. Thus, the neurological background has come into the forefront recently.
The symptoms of autism can be described as difficulties in using receiver and expressive language, unwillingness to communicate, not playing functional and imaginary games, lack of eye contact, not using facial expressions, posture and gestures, lack of emotion and sharing with peers.