Highlights

•    Filter-eluted nanoparticles (nPM) are depleted in PAH and transition metals compared to total nanoparticles (sPM).
•    Inhalation of nPM and sPM caused comparable neurotoxic reactions in adult and developing brain.
•    Gestational exposure to nPM or sPM caused depressive behaviors in adults.
•    Gestational exposure to sPM caused glutamatergic changes in adults.

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