Prenatal exposure to morphine impairs attention and impulsivity in adult rats

An alarming number of neonates born with prenatal exposure to morphine has resulted from the opioid epidemic; however, the long-term effects of prenatal opioid exposure on offspring behavior remain relatively unknown. In this study, we evaluated whether prenatal exposure to the mu opioid receptor agonist, morphine, has enduring effects on cognitive functions in adult life. On embryonic days 11–18 (E11-E18), female pregnant rats were injected...