The role of aperiodic spectral slope in event-related potentials and cognition among children with and without attention deficit hyperactivity disorder

Author:

Arnett Anne B.12ORCID,Peisch Virginia1,Levin April R.3

Affiliation:

1. Division of Developmental Medicine, Boston Children’s Hospital, Boston, Massachusetts

2. Pediatrics, Harvard Medical School, Boston, Massachusetts

3. Department of Neurology, Boston Children’s Hospital, Boston, Massachusetts

Abstract

This study constitutes the first investigation of associations between aperiodic spectral slope and three aspects of neurocognition: event-related potential (ERP) amplitudes, cognitive load, and task performance. We find that background oscillatory activity is dynamic, shifting in anticipation of varying levels of task relevance and in response to increasing cognitive load. Moreover, we report that aperiodic activity and ERPs constitute distinct neurophysiological processes. Children with attention deficit hyperactivity disorder (ADHD) show reduced aperiodic dynamics in addition to attenuated ERP amplitudes.

Funder

HHS | NIH | National Institute of Mental Health

Publisher

American Physiological Society

Subject

Physiology,General Neuroscience

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