Structuralism: early school of psychology that used introspection to explore the structural elements of the human mind. Functionalism: school of psychology that focused on how our mental/behavioural processes function how they enable us to adapt, survive and flourish. Behaviourism: the view that psychology (1) should be an objective science that (2) studies behaviour without reference to mental processes. Most research psychologists today agree with (1) but not (2). Humanistic psychology: historically significant perspective that emphasized the growth potential of healthy people and the individual"s potential for personal growth. Cognitive neuroscience: the interdisciplinary study of the brain activity linked with cognition (including perception, thinking, memory and language) Nature-nurture issue: the longstanding controversy over the relative contributions that genes and experience make to the development of psychological traits and behaviours. Today"s science sees traits and behaviours arising from the interaction of both.