psychophysiologyPronunciation: /ˌsʌɪkəʊfɪzɪˈɒlədʒi/Definition of psychophysiology noun [mass noun] Psychology the study of the relationship between physiological and psychological phenomena. the way in which the mind and body interact: the psychophysiology associated with relaxed wakefulnessDerivatives psychophysiologicalPronunciation: /-zɪəˈlɒdʒɪk(ə)l/ adjective psychophysiologist noun psychophysiology in other Oxford dictionaries Definition of psychophysiology in the US English dictionary