Associate Professor at Leiden University


* Supervised M.Sc. or Ph.D. student paper

I = journal impact factor



Kret, M.E., Prochazkova, Sterck, E.H.M., Clay (under 2nd review). Emotional expressions in human and non-human great apes. Neuroscience & Biobehavioral Reviews

Van Berlo, E., Otten, M., Van de Ven, E., Binnekamp, J. & Kret, M.E.* (under review). A picture is worth a thousand words: Measuring implicit associations with a pictorial IAT.

Rotteveel, M., Kret, M.E., Winkielman, P., & van Dijk, W.W. (under review). On the parallel influences of facial and bodily expressions of emotion on social trust.

Ding, X.#, Kang, T.#, Zhao, X., Xing, Q., Fu, J., & Kret, M.E.* (under review). The influence of emotional body language on the processing of facial expressions: An ERPs study. Frontiers in Human Neuroscience. I = 3.634. # These authors contributed equally.

Jaasma, L., Kamm, I., Ploeger, A. & Kret, M.E. (under review) The exceptions that prove the rule? Spontaneous helping behaviour towards humans in some domestic dogs.

Van Berlo, E., Moczynski, A.C., Ploeger, A., & Kret, M.E.* (under review). Belongingness in great apes: exploring the relationship between social motivation and the emergence of theory of mind.

Aktar, E., Raaijmakers, M., & Kret, M.E.* (under review). Pupil mimicry in infants and parents. Does parents’ empathy matter?

Olvido Perea-García, J., Miani, A., Behrens, F., Kret, M.E., Mitkidis, P., & Kundtová Klocová, E. (under review). Low-level effects of perceived eye colour during eye contact. Physiology & Behavior


In Press

Olvido Perea-García, J., Kret, M.E., Monteiro, A., & Hobaiter, C. (in press). Scleral pigmentation leads to conspicuous, not cryptic, eye morphology in chimpanzees. Proceedings of the National Academy of Sciences I = 10.4.

Brambilla, M., Biella, M., Kret, M.E. (in press). The power of pupils in predicting conforming behavior. Social Influence. I = 0.979.

Behrens, F. & Kret, M.E.* (in press). The interplay between face-to-face contact and feedback on cooperation during real-life interactions. Journal of Nonverbal Behavior. I = 1.595. Download.

Kret, M. E., & de Dreu, C.K.W. (in press). The power of pupil size in establishing trust and reciprocity. JEP General. I = 4.420. Download.



Quesque, F., Behrens, F., Kret, M.E.* (2019). Pupils say more than a thousand words: Pupil size reflects how observed actions are interpreted. Cognition, 190, 93-98. I = 3.634. Download.

Kelsey, C., Krol, K., Kret, M.E., & Grossmann, T. (2019). Infants’ brain responses to pupillary changes in others are affected by race. Scientific Reports, 9 (1), 4317. I = 4.122.



Brambilla, M., Biella, M., & Kret, M.E. (2018). Looking into your eyes: observed pupil size influences approach-avoidance responses. Cognition and Emotion, 33(3), 616-622. Download.

Prochazkova, E., Prochazkova, L., Giffin, M.R., Scholte, H.S., De Dreu, C.K.W., & Kret, M.E.* (2018). Reply to Mathôt and Naber: Neuroimaging shows that pupil mimicry is a social phenomenon. Proceedings of the National Academy of Sciences115(50), E11566-E11567. I = 10.4.

Prochazkova, E., Prochazkova, L., Giffin, M. R., Scholte, H.S., De Dreu, C.K.W., & Kret, M.E.* (2018). Pupil mimicry promotes trust through the theory-of-mind network. Proceedings of the National Academy of Sciences115(31), E7265-E7274. I = 10.4.

Koelkebeck, K., Vosseler, A., Kohl, W., Fasshauer, T., Lencer, R., Satoh, S., Kret, M.E., Minoshita, S. (2018). Masked ambiguity – emotion identification in schizophrenia and major depressive disorder. Psychiatry Research, 270, 852-860. I = 2.25

Kret, M.E., & Straffon, L. (2018). Reply to Crivelli et al.: The different faces of fear and threat. Evolutionary and cultural insights. Journal of Human Evolution, 125, 193-197. I = 3.767. Download.

Kret, M.E., & Sjak-Shie, E. (2018). Preprocessing pupil size data. Guideline and code. Behavior Research Methods, 1-7. I = 3.623. Download.

Kret, M.E., Muramatsu, A., & Matsuzawa, T. (2018). Emotion processing across and within species. A comparison between humans and chimpanzees (Pan Troglodytes). Journal of Comparative Psychology, 132(4), 395. I = 2.242. Download.

Fischer, A., Broekens, J., & Kret, M.E. (2018). Gender differences in self-reported emotional intelligence: A test of the emotional sensitivity hypothesis. PlosOne, 13(1), e0190712. I = 3.730. Download.

Wehebrink, K.S., Koelkebeck, K., Piest, S., de Dreu, C.K.W., & Kret, M.E.* (2018). Pupil mimicry and trust – Implications for depression. Journal of Psychiatric Research, 97, 70-76. I = 2.528

Liedtke, C. Koelkebeck, K., & Kret, M.E.* (2018). Emotion recognition from faces with in- and out-group features in patients with depression. Journal of Affective Disorders, 227, 817-823. I = 3.845. Download.

Van Breen, J., de Dreu, C.K.W., & Kret, M.E.* (2018). Pupil to Pupil: effect of a partner’s pupil size on (dis)honest behavior. Journal of Experimental Social Psychology, 74, 231-245. I = 2.219. Download.

Kret, M.E., & Fischer, A. (2018). Recognition of facial expressions is moderated by Islamic cuesCognition and Emotion, 32(3) 623-631I = 2.688. Download.

Kret, M. E. (2018). The role of pupil size in communication. Is there room for learning? Cognition and Emotion, 32(5), 1139-1145. I = 2.688. Download.


Van Rooijen, R., Ploeger, A., & Kret, M.E.* (2017). The dot-probe task to measure emotional attention: A suitable measure in comparative studies? Psychonomic Bulletin & Review, 24(6), 1686-1717. I = 3.390. Download.

Massen, J. J., Bauer, L., Spurny, B., Bugnyar, T., & Kret, M. E. (2017). Sharing of science is most likely among male scientists. Scientific Reports7(1), 12927. I = 5.228. Download.

Prochazkova, E., & Kret, M.E.* (2017). Connecting minds and sharing emotions through mimicry: A Neurocognitive Model of Emotional Contagion. Neuroscience & Biobehavioral Reviews, 80, 99-114. I = 8.580. Download.

Kret, M.E., & de Dreu, C.K.W. (2017). Pupil-mimicry conditions trust in exchange partners: Moderation by oxytocin and group membership. The Royal Society B-Biological Sciences, 284(1850), 20162554. I = 5.051. Download.

Koelkebeck, K., Kohl, W., & Kret, M.E. (2017). Attachment style moderates theory of mind abilities in depression. Journal of Affective Disorders, 15(213), 156-160. I = 3.996. Download.

Koelkebeck, K., Uwatoko, T., Tanaka, J., & Kret, M.E. (2017). How culture shapes social cognition deficits in mental disorders- A review. Social Neuroscience, 12(2):102-112. I = 3.653. Download.

Kret, M.E., Roelofs, K., Stekelenburg, J.J., & de Gelder, B. (2017). From face to hand: attentional bias towards expressive hands in social anxiety. Biological Psychology, 122:42-50. I = 3.399. Download.

Kret, M.E. (2017). Spiegelen van pupil-grootte geeft vertrouwen. InMind Magazine: Psychologie voor iedereen. Download.

Kret, M. E., & Bocanegra, B. R., eds. (2017). Adaptive hot cognition: How emotion drives information processing and cognition steers affective processing. Lausanne: Frontiers Media. Download.


Kret, M.E., Jaasma, L., Bionda, T., & Wijnen, J.G.  (2016). Bonobos (Pan Paniscus) show an attentional bias towards conspecifics’ emotions. Proceedings of the National Academy of Sciences,113(14), 3761-3766. I = 9.674. Download.

Kret, M.E., & Tomonaga, M. (2016). Getting to the bottom of processing behinds in humans and chimpanzees (Pan Troglodytes). The face inversion effect revisited. PlosOne, 11(11): e0165357. I = 3.730. Download.

Kret, M. E., & Bocanegra, B. R. (2016). Editorial: Adaptive hot cognition: How emotion drives information processing and cognition steers affective processing. Frontiers in Psychology, 7:1920. I = 2.800. Download.

de Dreu, C.K.W., Kret, M.E., & Sauter, D. A. (2016). Assessing emotional vocalizations from cultural in-group and out-group depends on oxytocin. Social Psychological Personality Science, 7, 837-846I = 2.561. Download.

Stamkou, E., van Kleef, G., Fischer, A., & Kret, M.E. (2016). Are the powerful really blind to the feelings of others? How power and legitimacy shape emotion perception. Personality and Social Psychology Bulletin, 42(6), 755-768. I = 2.515. Download.

De Dreu, C.K.W., Kret, M.E., & Sligte, I. (2016). Modulating prefrontal control in humans reveals distinct pathways to competitive success and collective waste. Social Cognitive and Affective Neuroscience, 11(8):1236-1244. I = 7.372. Download.

De Dreu, C.K.W., & Kret, M.E. (2016). Oxytocin conditions intergroup relations through up-regulated in-group empathy, cooperation, conformity, and defense. Biological Psychiatry, S0006-3223(15)00259-0. I = 9.472. Download.



Kret, M.E. Fischer, A.H. & de Dreu, C.K.W. (2015). Pupil-mimicry correlates with trust in in-group partners with dilating pupils. Psychological Science, 26(9), 1401-1410. I = 4.43. Download.

Kret, M.E. & Ploeger, A. (2015). Emotion processing deficits: a liability spectrum providing insight into comorbidity of mental disorders. Neuroscience & Biobehavioral Reviews, 52, 153–171. I = 11.075. Download.

De Valk, J. M., Wijnen, J. & Kret,  M.E.* (2015). Anger fosters action. Fast responses in a motor task involving approach movements towards angry faces and bodies. Frontiers in Psychology, 6:1240.  I = 2.800. Download.

Kret, M.E. (2015). Emotional expressions beyond facial muscle actions. A call for studying autonomic signals and their impact on social perception. Frontiers in Psychology, 6, 711.  I = 2.800. Download.



Kret, M.E., Tomonaga, M. & Matsuzawa, T. (2014). Chimpanzees and humans mimic pupil-size of conspecifics. PlosOne, 9(8). I = 3.730. Download.

Kret, M.E.  Tomonaga, M. de Dreu, C.K.W., Fischer, A.H. & Matsuzawa, T. (2014). Role of pupil-synchronization in trust. International Journal of Psychophysiology, 94, 174.

Kret, M.E. (2014). Wanneer een lach een vuist wordt: De perceptie van gezicht- en lichaamsexpressies in gewelddadige delinquenten. De Psycholoog. Download.

Ten Velden, F.S. , Baas, M., Shalvi, S., Kret, M.E. &  De Dreu, C.K.W. (2014). Oxytocin mdifferentially modulates compromise and competitive approach but not withdrawal to antagonists from own versus rivaling other groups. Brain Research, 1580, 172-179. I = 2.957.  Download.



Kret, M.E., Roelofs, K., Stekelenburg, J.J., & de Gelder, B. (2013). Emotional signals from faces, bodies and scenes influence observers’ face expressions, fixations and pupil-size. Frontiers in Human Neuroscience, 7(810). I = 2.900. Download.

Kret, M. E. & de Dreu, C.K.W. (2013). Oxytocin-motivated ally selection is moderated by digit ratio and empathic concern. Frontiers in Neuroscience, 7(1). I = 2.900. Download.

Kret, M.E., Stekelenburg, J.J., Roelofs, K., & de Gelder, B. (2013). Perception of face and body expressions using electromyography, pupillometry and gaze measures. Frontiers in Psychology, 4(28). I = 2.800. Download.

Kret, M.E., & de Gelder, B. (2013). When a smile becomes a fist: The perception of facial and bodily expressions of emotion in violent offenders. Experimental Brain Research, 228(4):399-410. I = 2.296. Download.



Kret, M.E. (2012). De invloed van een niqab op het herkennen van gezichtsexpressies. De Psycholoog, 47(10), 10-17. Download.

Kret, M.E., & de Gelder, B. (2012). Islamic context influences how emotion is recognized from the eyes. Frontiers in Psychology, 3(110). I = 2.800. Download.

Kret, M.E., & de Gelder, B. (2012). A review on sex differences in processing emotions. Neuropsychologia, 50(7):1211-1221. I = 4.739. Download.



Kret, M.E. (2011). Context, gender and personality factors influencing the perception of facial and bodily expressions of emotion. Ridderkerk: Ridderprint. Download.

Kret, M.E., Grèzes, J., Pichon, S. & de Gelder, B. (2011). Men fear other men most: Gender specific brain activations in perceiving threat from dynamic faces and bodies. An fMRI study. Frontiers in Psychology, 2(3). I = 2.800. Download.

Kret, M.E. & de Gelder, B., Denollet, J. (2011). The role of negative affectivity and social inhibition in perceiving social threat: an fMRI study. Neuropsychologia, 49(5), 1187-1193. I = 4.739. Download.

Kret, M.E., Grèzes, J., Pichon, S. & de Gelder, B. (2011). Similarities and differences in perceiving threat from dynamic faces and bodies. An fMRI study. NeuroImage, 54(2), 1755- 1762. I = 6.817. Download.



Kret, M.E. & de Gelder, B. (2010). Social context influences recognition of bodily expressions. Experimental Brain Research, 203, 169-180. I = 2.296. Download.



de Gelder, B., Van den Stock, J., Meeren, H., Kret, M.E., Tamietto, M. (2009). Standing up for the body. Recent progress in uncovering the networks involved in processing bodies and bodily expressions. Neuroscience and Biobehavioral Reviews, 364, (1535), 3475-3484. I = 10.240. Download.



du Bois-Reymond, M., Leccardi, C., Magaraggia, S., Menz, S., Stauber, B., Biggart, A.,  Kovacheva, S., Manolova, P., Ule, M., Kuhar, M., Svab, A. & Kret, M.E. (2008). Young parenthood, agency and social change. Thematic report for the UP2YOUTH-project.



Kret, M.E. (in prep). Uitingen van emoties in mens en dier. Uitgeverij Atlas Contact, Amsterdam, the Netherlands.

Kret, M.E. (2011). Context, gender and personality factors, influencing the perception of facial and bodily expressions of emotion. Doctoral dissertation. Ridderkerk: Ridderprint. Download.


Book chapters

Kret, M.E., Sinke, C.B.A & de Gelder, B. (2011). Emotion perception and health. In Nyclicek, I., Vingerhoets, A.J.J.M. & Zeelenberg, M. (Eds.), Emotion regulation and well-being (pp.261-280). New York: Springer. Download.

Sinke, C.B.A., Kret, M.E. & de Gelder, B. (2010). Embodied perception of emotion. Psychology press. MINET: Measuring the impossible. Download.

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