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September 10, 2025Scientific ReportsOpen Access

Specific dynamic facial expression evoked responses show distinct perceptual and attentional features in autism connected to social communication and GABA phenotypes

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Authors

DSDaniela SousaAFAna Lúcia da Silva FerreiraHPH. C. Pereira

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Overview

Observation of unique ERP patterns during facial emotion processing in autistic youth, suggesting implications for social communication and GABA traits.

Key Points

  • Participants with autism exhibited longer latencies in dN170 during the unmorphing condition, indicating distinct perceptual processing.
  • Dynamic P300 showed higher amplitudes in autistic participants during morphing, suggesting an attentional compensatory mechanism at play.
  • Correlations between ERP features and GABA levels revealed a continuum of traits from non-autistic to autistic characteristics.
  • These findings support the idea that ERPs can serve as valuable indicators of perceptual and attentional differences associated with autism.

Cite This Study

Sousa et al. (2025) studied this question.

synapsesocial.com/papers/68c1afd354b1d3bfb60e7f52https://doi.org/10.1038/s41598-025-12376-x
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Naturalistic facial dynamics enable quantitative clinical assessment of atypical expression phenotypes in children with autism spectrum disorder2026 · 4 citations
  2. 2Temporal progression of pupil dilation and gaze behavior to emotion expressions in preschoolers with autism spectrum disorder2024 · 6 citations
  3. 3Pupil Dilation to Dynamic Audiovisual Emotional Speech Reflects Autistic‐Trait Variation in Neurotypical Adults2026 · 3 citations
  4. 4The Differential Outcomes Procedure for improving the recognition of dynamic facial expressions of emotion in people with autism spectrum disorders and first-degree relatives2024
  5. 5The influence of dynamism and expression intensity on face emotion recognition in individuals with autistic traits2024 · 7 citations