Mori K. & Mori H. (2010). Examination of the passive facial feedback hypothesis using an implicit measure: With a furrowed brow, neutral objects with pleasant primes look less appealing. Perceptual and Motor Skills, 111, 785–789; Larsen R. J., Kasimatis M. & Frey K. (1992). Facilitating the furrowed brow: An unobtrusive test of the facial feedback hypothesis applied to unpleasant affect. Cognition & Emotion, 6, 321–338; Duclos S. E. & Laird J. D. (2001). The deliberate control of emotional experience through control of expressions. Cognition & Emotion, 15, 27–56.
