The Leakage Hypothesis

In more recent times, psychological theories of leakage have primarily been explored by Ekman and colleagues (Ekman, 2001; Ekman & Friesen, 1969; see also Porter, Ten Brinke, & Wallace, 2013; Ten Brinke & Porter, 2012).

It is possible that laypeople’s belief in the leakage of cues is grounded in naïve morality, much like the belief that liars experience negative emotions. More specifically, it could be rooted in a general belief in the fairness of the world.