A groundbreaking study has shed new light on how autistic children's brains process faces. Researchers analyzed electrical signals from 400 autistic children and found that their brains showed less distinct activity associated with face recognition compared to neurotypical children. This difference was observed even before the familiar N170 brain signal, which typically occurs 170 milliseconds after a person sees a face. The study used electroencephalography (EEG) to record brain activity across the entire scalp, providing a more comprehensive understanding of face perception in autism. The researchers found that the ability to identify what a child was viewing from brain activity improved with age among neurotypical participants, but not in autistic children. This suggests that autistic children's neural responses to faces develop along a different pattern. The findings could have significant implications for autism diagnosis and early support. By understanding how face processing develops in the brain, researchers may be able to identify more effective approaches to helping autistic children interpret facial emotions. The study also raises the possibility that support aimed at helping autistic children could be particularly beneficial when introduced earlier in childhood. The researchers emphasize that autism does not necessarily create difficulties that require intervention, and many neurodivergent people experience little or no impairment related to their autism. However, for those who do experience challenges with recognizing faces or understanding facial expressions, this study provides new insights into the underlying developmental characteristics of autism. The study's findings could also contribute to the search for more objective ways to assess autism. By examining how neural signals differ among individuals, researchers may eventually develop additional diagnostic tools or better identify autistic people who are likely to benefit from particular forms of support.