What does this research mean for the field?

During visual entrainment, autistic adults exhibit a pronounced increase in forward traveling brain waves reflecting a bias toward sensory signaling, whereas non-autistic adults show an increase in backward waves associated with top-down predictions. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.SUPPORTS_CONSENSUS.

What question did this study set out to answer?

To investigate cortical traveling wave dynamics along the anterior-posterior axis during rhythmic visual entrainment to test predictive coding theories in autistic and non-autistic adults.

September 5, 2026Autism

Oscillatory Traveling Waves During Visual Entrainment in Autistic and Non-Autistic Adults

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Authors

AAAndrea Alamia JSJakob C B Schwenk JWJohan Wagemans

Discussion

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Overview

Electroencephalography study reveals divergent traveling wave directions during visual entrainment in autistic adults, indicating a perceptual bias toward sensory signals over predictive feedback.

Key Points

To investigate cortical traveling wave dynamics along the anterior-posterior axis during rhythmic visual entrainment to test predictive coding theories in autistic and non-autistic adults.
Recorded scalp electroencephalography (EEG) during a visual entrainment paradigm featuring rhythmic visual stimulation.
Quantified the directional propagation of oscillatory traveling waves (forward/occipital-to-frontal versus backward/frontal-to-occipital) across the cortex in autistic and non-autistic adult cohorts.
Non-autistic adults exhibited a selective increase in backward traveling waves during rhythmic visual stimulation, consistent with top-down predictive signaling.
Autistic adults showed an opposing directional response characterized by a pronounced increase in forward traveling waves at the entrained frequency (ω² = 0.132), reflecting greater weighting of bottom-up sensory input relative to predictive feedback.

Cite This Study

Alamia et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd3f16b95aff0620eb2c8 https://doi.org/10.1177/13623613261478892

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September 5, 2026Autism

Oscillatory Traveling Waves During Visual Entrainment in Autistic and Non-Autistic Adults

View Full Paper

Ask AI

Bookmark

Authors

AAAndrea Alamia JSJakob C B Schwenk JWJohan Wagemans

Discussion

Member takes

Overview

Electroencephalography study reveals divergent traveling wave directions during visual entrainment in autistic adults, indicating a perceptual bias toward sensory signals over predictive feedback.

Key Points

To investigate cortical traveling wave dynamics along the anterior-posterior axis during rhythmic visual entrainment to test predictive coding theories in autistic and non-autistic adults.
Recorded scalp electroencephalography (EEG) during a visual entrainment paradigm featuring rhythmic visual stimulation.
Quantified the directional propagation of oscillatory traveling waves (forward/occipital-to-frontal versus backward/frontal-to-occipital) across the cortex in autistic and non-autistic adult cohorts.
Non-autistic adults exhibited a selective increase in backward traveling waves during rhythmic visual stimulation, consistent with top-down predictive signaling.
Autistic adults showed an opposing directional response characterized by a pronounced increase in forward traveling waves at the entrained frequency (ω² = 0.132), reflecting greater weighting of bottom-up sensory input relative to predictive feedback.

Cite This Study

Alamia et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd3f16b95aff0620eb2c8 https://doi.org/10.1177/13623613261478892

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