Answer:
Autism Spectrum Disorder
Step-by-step explanation:
Autism Spectrum Disorder: Also referred to as ASD.
This is one of the developmental and neurological developmental disorder that starts in the early phase of childhood and can last throughout an individual's life. Basically, ASD affects the way an individual communicates, learns, and acts and interacts with other individuals.
A child who is diagnosed with ASD shows rigid, obsessive, and restricted behavior and interest.
Symptoms:
1. Abnormal facial expressions and body posturing.
2. Abnormal voice tone.
3. Poor eye contact.
4. Inappropriate or unsuitable Social Interaction.
5. Language comprehension problem.
Types: Autistic Disorder, Rett Syndrome, Childhood Disintegrative Syndrome, Asperger syndrome, and Pervasive Developmental Disorder.