Kounios, J., & Beeman, M. (2009): «Aha! The cognitive neuroscience of insight» i: , , s. 210–216. Persaud, N., McLeod, P., & Cowey, A. (2007): «Post-decision wagering objectively measures awareness» i: , , s. 257–261. Reber, R., Schwarz, N., & Winkielman, P. (2004): «Processing fluency and aesthetic pleasure: Is beauty in the perceiver’s processing experience?» i: , , s. 364–382. Topolinski, S., Likowski, K.U., Weyers, P., & Strack, F. (2009): «The face of fluency: Semantic coherence automatically elicits a specific pattern of facial muscle reactions» i: , , s. 260–271. Topolinski, S. & Strack, F. (2009): «Scanning the "fringe" of consciousness: What is felt and what is not felt in intuitions about semantic coherence» i: , , s. 608–618. Winkielman, P., & Cacioppo, J.T. (2001): «Mind at ease puts a smile on the face: Psychophysiological evidence that processing facilitation leads to positive affect» i: , , s. 989–1000.