André Knops

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My research in the realm of Experimental Psychology is dedicated to the understanding of the cognitive and neural underpinnings of numerical cognition. I combine classical psychophysical methods with the analysis of concurrent neurocognitive data from healthy participants across the life-span.

Curriculum Vitae

André Knops

born in Viersen, Germany

Higher Education

Year    Institution         Degree (grade)

11/Feb/2015  Humboldt-Universität Berlin, Berlin, Germany, Habilitation Psychology (venia legendi)

16/Oct/2006  RWTH Aachen University, Aachen, Germany, PhD  (summa cum laude) [thesis]

08/Oct/2001  Philipps University, Marburg, Germany, Psychology Diploma (A) [diploma thesis]

Professional Experience

Year    Institution/Location       [Function]

since 2018 CNRS researcher, University Paris Descartes & University Sorbonne Paris Cité, France

2016 – 2017    Stand-in Professor for Experimental Psychology, Department of Psychology, Humboldt-Universität zu Berlin, Germany

2012 – 2017    Department of Psychology, Humboldt-Universität zu Berlin, Germany [group leader]

2010 – 2012   Department of Neurology, Section Neuropsychology, RWTH Aachen University, Germany [Post-Doc]

2009 – 2010   CIMeC (Center for Mind/Brain Sciences), Rovereto, Italy [Post-Doc]

2006 – 2009   INSERM Unit 562, “NeuroSpin“ Center, Saclay, France [Post-Doc]

2005 – 2006  Institute of Medical Psychology and Medical Sociology, RWTH Aachen University, Germany [Research Associate]

2002 – 2006   Department of Neurology, Section Neuropsychology, RWTH Aachen University, Germany   [ Research Associate]


Cavdaroglu, S. & Knops, A. (in press). Evidence for a posterior parietal cortex contribution to spatial but not temporal numerosity perception, Cerebral Cortex

Pinheiro-Chagas, P., Didino, D. Haase, V. G., Wood, G. & Knops, A. (in press). The developmental trajectory of the operational momentum effect, Frontiers in Psychology – Developmental Psychology.

Knops, A., Nuerk, H.-C., & Göbel, S.M. (2017). Domain-General Factors Influencing Numerical and Arithmetic Processing. Journal of Numerical Cognition, 3(2), 112 – 132.

Katz, C. Hoesterey, H. & Knops, A. (2017). A role for attentional reorienting during approximate multiplication and division. Journal of Numerical Cognition, 3(2), 246 – 269.

Knops, A. (in press). Neuroimaging. In: Zeigler-Hill, V. & Shackelford, T. (eds). Encyclopedia of Personality and Individual Differences. Springer.

Knops, A. (in press). Neurocognitive Evidence for Spatial Contributions to Numerical Cognition. In: Henik, A. & Fias, W. (eds). Heterogeneity of Function in numerical Cognition, Elsevier.

Knops, A. (2017). Probing the neural correlates of number processing. The Neuroscientist, 23 (3), 264-274.

Katz, C. & Knops, A. (2016). Decreased cerebellar-cerebral connectivity contributes to complex task performance. Journal of Neurophysiology, 116(3):1434-48.

Klein, E., Suchan, J., Moeller, K., Karnath, H.-O., Knops, A., Wood, G., Nuerk, H.-C., & Willmes, K. (2016). Considering structural connectivity in the triple code model of numerical cognition – Differential connectivity for magnitude processing and arithmetic facts. Brain Structure & Function, 221(2): 979-95.

Cavdaroglu, S. & Knops, A. (2016). Mental subtraction and multiplication recruit both phonological and visuospatial resources: evidence from a symmetric dual-task design. Psychological Research; 80(4):608-24.

Cavdaroglu, S., Katz, C. & Knops, A. (2015). Dissociating estimation from comparison and response eliminates parietal involvement in sequential numerosity perception, Neuroimage, 116: 135-148.

Didino, D., Knops, A., Vespignani, F., & Kornpetpanee, S. (2015). Asymmetric activation spreading in the multiplication associative network due to asymmetric overlap between numerosities semantic representations? Cognition, 141, 1-8.

Hesselmann, G., Darcy, N., Sterzer, P. & Knops, A. (2015). Exploring the boundary conditions of unconscious numerical priming effects with continuous flash suppression. Consciousness and Cognition, 31, 60 – 72.

Fischer, M.H. & Knops, A. (2014). Attentional Cueing in Numerical Cognition – A Commentary on Zanolie & Pecher (2014). Frontiers in Psychology, 5:1381. doi: 10.3389/fpsyg.2014.01381. [download pdf]

Pinheiro-Chargas, P., Wood, G., Knops, A., Krinzinger, H., Lonnemann, J., Startling-Alves, I., Willmes, K., & Haase, V. (2014). In how many ways is the approximate number system associated with exact calculation? PLoS One. 9(11): e111155. doi:10.1371/journal.pone.0111155

Hesselmann, G. & Knops, A. (2014). No conclusive evidence for numerical priming under interocular suppression. Psychological Science. 25(11):2116-2119. doi:10.1177/0956797614548876

Katz, C. & Knops, A. (2014). Operational momentum in approximate multiplication and division? PLoS One; 9(8):e104777. doi: 10.1371/journal.pone.0104777.

Knops, A., Piazza, M., Sengupta, R., Eger, E., & Melcher, D. (2014). A shared, flexible neural map architecture reflects capacity limits in both visual short term memory and enumeration. The Journal of Neuroscience, 34(30): 9857-9866.

Knops, A. , Dehaene, S., Bertelletti, I., Zorzi, M. (2014). Can Approximate Mental Calculation Account for Operational Momentum in Addition and Subtraction? The Quarterly Journal of Experimental Psychology, 67(8): 1541-1556.

Knops, A. & Willmes, K. (2014). Numerical ordering and symbolic arithmetic share frontal and parietal circuits in the right hemisphere, Neuroimage, 84: 786-795.

Knops, A., Zitzmann, S. & McCrink, K. (2013). Examining the presence and determinants of operational momentum in childhood. Frontiers in Psychology, 4:325.

Koten Jr J.W., Lonnemann, J., Willmes, K.,  Knops, A. (2011). Micro and macro pattern analyses of FMRI data support both early and late interaction of numerical and spatial information. Frontiers in Human Neuroscience, 5:115. [1.55]

Boecker, M., Drueke, B., Vorhold, V., Knops, A., Philippen, B., Gauggel, S. (2011). When response inhibition is followed by response reengagement: An event-related fMRI study. Human Brain Mapping, 32(1): 94 -106. [6.256 (2009)]

Knops, A., Thirion, B., Hubbard, E.M., Michel, V. & Dehaene, S. (2009). Recruitment of an area involved in eye movements during mental arithmetic. Science, 324(5934):1583-5.  [29.747]

Knops, A., Viarouge A., & Dehaene, S. (2009). Dynamic representations underlying symbolic and non-symbolic calculation: Evidence from the operational momentum effect. Attention, Perception & Psychophysics, 71(4), 803-821.  [1.684]

Klein, E., Nuerk, H.-C., Wood, G., Knops, A. & Willmes, K. (2009). The exact vs. approximate distinction in numerical cognition is not exact, but only approximate: How different processes work together in multi-digit addition, Brain and Cognition, 69, 369 – 381. [2.547]

Huckauf, A., Knops, A., Nuerk, H.-C., & Willmes, K. (2008). Semantic processing of crowded stimuli? Psychology Research, 72(6): 648 – 656. [1.754]

Lonnemann, J., Krinzinger, H., Knops, A., & Willmes, K. (2008). Spatial representations of numbers in children and their connection with calculation abilities. Cortex, 44(4), 420-428. [2.749]

Gauggel, S., Knops, A., & Staedtgen, M. (2007). Transkranielle Magnetstimulation (TMS). In S. Gauggel & M. Herrmann (Eds.) Handbuch der Neuro- und Biopsychologie (pp. 220 – 228), Göttingen, Hogrefe Publishers. [German]

Knops A., Nuerk H.-C., Sparing R., Foltys H., Willmes K. (2006). On the functional role of the parietal cortex in number processing: How gender mediates the impact of a ‘virtual lesion’ induced by rTMS. Neuropsychologia, 44(12), 2270 – 2283.  [3.924]

Knops A., Nuerk H.-C., Fimm B., Vohn R., Willmes K. (2006). A Special Role for Numbers in Working Memory? – An fMRI Study. Neuroimage, 29, 1 – 14. [5.559]


2015 Symposium ‚Contributions of dorsal stream to visual perception‘ (DFG; with Guido Hesselmann) [10,000 €]

2012 – 2016    Der Einfluss des Zahlensinns und räumlicher Informationsverarbeitung auf das Kopfrechnen DFG (German Research Foundation) KN 959/2-1 [Emmy Noether Young Researcher Group - 840,000 €]

2009 – 2011   Attentional shifts in mental arithmetic – their nature and relevance.  Autonomous Region Trentino (Marie Curie Action Cofund) [131,000 € - declined]

2009 – 2010   Neural Dynamics of mental arithmetic – An fMRI guided TMS-Study. DFG (German Research Foundation) KN 959/1-1 with K. Willmes    [100,000 €]

2006 – 2007   Emotional Control of Cognition – On the Influence of Mood on Executive Functions in Patients with Biploar Mood Disorder. Young Scientists Program of the Medical Faculty Aachen; AZ 34/06  [36,500 €]


2006    Best interdisciplinary thesis of the Medical Faculty RWTH Aachen University

2006    Borchers-Medal, RWTH Aachen University for outstanding thesis.

Ad-hoc reviews

Journals (28):

Acta Psychologica; Advances in Cognitive Psychology; Attention, Perception & Psychophysics; Autism Research; Behavioral and Brain Functions; Brain Research; Cerebral Cortex; Cognition; Cortex; European Journal of Developmental Psychology; Experimental Psychology; Frontiers in Psychology; Human Brain Mapping; Journal of Cognitive Neuroscience; Journal of Cognitive Psychology; Journal of Experimental Psychology: Learning, Memory & Cognition; Journal of Vision; Language and Cognitive Processes; Neuroimage; Neuropsychologia; Neuroreport; Perception; PLoS One; Psychological Research; Psychological Science; Psychonomic Bulletin & Review; Quarterly Journal of Experimental Psychology; Scientific Reports

Organizations (7):

- Bologna.lab (Humboldt-Universität zu Berlin)

- Deutsche Forschungsgemeinschaft (DFG)

- European Research Council (ERC)

- Fondation Maison des Sciences de l’Homme (FMSH; Marie Curie Cofund)

- Fonds Wetenschappelijk Onderzoek – Vlaanderen (Research Foundation Flanders (FWO))

- German-Israeli Foundation for Scientific Research and Development (G.I.F.)

- Italian Ministry of Health


- German (mother tongue)

- English (fluent)

- French (fluent)

- Italian (basic)


- Deutsche Gesellschaft für Psychologie (DGPs), Fachgruppen Allgemeine Psychologie; Biologische Psychologie & Neuropsychologie

- Oranization for Human Brain Mapping (OHBM)

- Deutscher Hochschulverband

Kram in Deutsch