For this Research Topic on brain augmentation,1 several authors discuss possibilities of brain stimulation (e.g., Duecker et al., 2014), pharmacology (e.g., Lynch et al., 2014), and psychobiological training (e.g., Chapman and Mudar, 2014). According to a definition proposed by ethicists, such procedures are human enhancement if and only if they are a “change in the biology or psychology of a p...
