Four Temperaments is a theory of psychology that stems from the ancient concept of four humors (humorism). History and development Temperament theory has its roots in the ancient four humors theory of the Greek doctor Hippocrates (460-370 BC), who believed certain human behaviors were caused by body fluids (called "humors"): blood, yellow bile, black bile, and phlegm. Next, Galen (131-200 AD) developed the first typology of temperament in his dissertation De temperamentis, and searched for physiological reasons for different behaviors in humans. In The Canon of Medicine, Avicenna (980-1037) then extended the theory of temperaments to encompass "emotional aspects, mental capacity, moral attitudes, self-awareness, movements and dreams." Nicholas Culpeper (1616-1654) disregarded the idea of fluids as defining human beha

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # TAGS