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Attention-Deficit/Hyperactivity Disorder

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Association between PFAS exposure and attention processing in adolescent boys: a pilot study.

Sharlene D Newman¹, Yanyu Xiong¹

¹Alabama Life Research Institute, The University of Alabama, Tuscaloosa, AL, United States.

Frontiers in Cognition

|June 24, 2026

Summary

This pilot study found that exposure to perfluorinated alkylated substances (PFAS) in adolescent boys was associated with attention deficits, as measured by EEG and behavioral assessments. Further research is needed to confirm these findings.

Keywords:

ADHD EEG PFAS attention brain

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Area of Science:

Environmental Health
Neuroscience
Toxicology

Background:

Perfluorinated alkylated substances (PFAS) are widely used industrial chemicals with largely unknown neurological effects.
Adolescence is a critical period for brain development, making this population vulnerable to environmental toxins.
Cognitive deficits may result from environmental toxin exposure during critical developmental windows.

Purpose of the Study:

To investigate the neurological effects of PFAS exposure in adolescent boys.
To assess the feasibility of community-based data collection, including biospecimens and neurophysiological measures.
To explore the association between PFAS levels and neurocognitive attention measures.

Main Methods:

Recruitment of adolescent boys for a pilot study.
Community-based data collection: blood samples for PFAS levels, parental behavioral assessments, and electroencephalography (EEG) during an attention task.
Analysis of associations between PFAS levels and EEG markers (P2, N2) and behavioral attention assessments.

Main Results:

Demonstrated feasibility of community data collection, including EEG.
Found associations between blood-level PFAS and EEG measures of attention (P2, N2).
Observed correlations between PFAS levels and parental reports of attention deficits.

Conclusions:

This pilot study confirms the feasibility of investigating PFAS neurotoxicity in adolescents using community-based methods.
Findings suggest a potential link between PFAS exposure and attention deficits in adolescent boys.
Supports the need for larger, comprehensive studies on the neurocognitive impacts of PFAS.