Farah, Martha J2023-05-232023-05-232011-06-012015-05-11https://repository.upenn.edu/handle/20.500.14332/41447This is the peer reviewed version of the article which has been published in final form at http://dx.doi.org/10.1111/j.1360-0443.2011.03394.x. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for self-archiving.ADHD medicationsenhancementneuroethicsBioethics and Medical EthicsNeuroscience and NeurobiologyNeurosciencesArticle