Atypical Aperiodic EEG (1/F) Activity In Autism Normalizes during Active Tasks

Barcelona, Spain · May 2026

Posters · Neurodiversity & Individual Minds

Magdalena Matyjek
Universitat Pompeu Fabra
Salvador Soto Faraco
Universitat Pompeu Fabra
Salvador Soto Faraco
Institució Catalana de Recerca i Estudis Avançats
Alvarez Martin Claudia
4. Institut d'Investigació Biomèdica de Bellvitge
Mireia Torralba Cuello
Universitat Pompeu Fabra
Mireia Torralba Cuello
Universitat Politècnica de Catalunya-BarcelonaTech

Abstract

We used EEG aperiodic slopes as a proxy for neural excitation-inhibition balance in autistic (AUT;N=35) and typically developing (TD;N=39) adults during passive viewing versus active task. AUT showed higher inhibition during active than passive task, while TD showed no task modulation (p<.001, BF10>1000). This demonstrates context-dependent compensatory mechanisms in autism.

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Atypical Aperiodic EEG (1/F) Activity In Autism Normalizes during Active Tasks

Abstract

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