psychotechnology
/ˌsʌɪkəʊtɛkˈnɒlədʒi/originally and chiefly Psychology
noun
The branch of psychology that deals with the practical application of knowledge about the human mind or brain. In later use also: any technology designed to alter thought or behaviour by manipulation of brain function; the study or development of such technology.
Origin
Early 20th century; earliest use found in American Journal of Psychology. From psycho- + technology, probably partly after German Psychotechnik.