Before revision: It has also been suggested that blushing and flushing are the visible manifestations of the physiological rebound of the basic instinctual fight/flight mechanism, when physical action is not possible.Salzen, E. (2010), "Flushing and blushing" letter in The Psychologist, Vol 23, No 7, July 2010, p. 539.
After revision: Salzen (2010) suggested that blushing and flushing were manifestations of the physiological impact of the instinctual fight/flight mechanism, when neither confrontation nor retreat is possible.Salzen, E. (2010), "Flushing and blushing" letter in The Psychologist, Vol 23, No 7, July 2010, p. 539.