Diphenylarsinic acid produces behavioral effects in mice relevant to symptoms observed in citizens who ingested polluted well water

► Neurological health accident occurred probably due to phenylarsenicals in Japan. ► We examined neurobehavioral effects of diphenylarsinic acid (DPAA) in mice. ► DPAA produced various behavioral effects without affecting brain indices in mice. ► Some of the effects in mice seem relevant to symptoms in the victims of the accident.