Autism symptoms: Study delves into why lack of eye contact is often a symptom of condition

“The subcortical system can be specifically activated by eye contact, and previous work by Hadjikhani and colleagues revealed that, among those with autism, it was oversensitive to effects elicited by direct gaze and emotional expression.”

 “The findings demonstrate that, contrary to what has been thought, the apparent lack of interpersonal interest among people with autism is not due to a lack of concern,” says Dr Nouchine Hadjikhani, director of neurolimbic research in the Martinos Center and corresponding author of the new study.

“Rather, our results show that this behaviour is a way to decrease an unpleasant excessive arousal stemming from overactivation in a particular part of the brain.”