ABSTRACT
Respiratory measurement may be a potentially powerful asset in certain applied studies. Respiration appears to be closely coupled to a variety of important functional psychological dimensions, such as response requirements and appraisal patterns (Boiten et al., 1994), as well as to subtle variations in mental effort investment (Wientjes et al., 1998). Yet, perhaps the most striking feature of some respiratory measures is the degree to which they are linked to various dimensions of emotion, affect, and mood (Boiten et al., 1994; Nyklíek et al., 1997), as well as to the experience of psychosomatic symptoms (Grossman and Wientjes, 1989; Wientjes and Grossman, 1994).
