in press

Lyons IM, Beilock SL (in press). Characterizing the Neural Coding of Symbolic Quantities. NeuroImage. PDF

Lyons IM, Bugden S, Zheng S, De Jesus S, Ansari D (in press). Symbolic Number Skills Predict Growth in Nonsymbolic Number Skills in Kindergarteners. Developmental Psychology. PDF

Lyons IM, Ramirez G, Maloney EA, Rendina DN, Levine SC, Beilock SL (in press). Spatial Anxiety: A novel questionnaire with subscales for measuring three aspects of spatial anxiety. Journal of Numerical Cognition. PDF

Necka EA, Faig KE, Van Hedger K, Lyons IM, Dimitroff SJ, Luhmann M, Puts DA, Norman GJ (in press). Women's attention to and memory for fertile- and non-fertile phase women across the menstrual cycle. Adaptive Human Behavior and Physiology. PDF


Hutchison JE, Lyons IM, Ansari D (2018). More Similar than Different: Gender Differences in Children’s Basic Numerical Skills are the Exception not the Rule. Child Development. PDF


Sasanguie D, Lyons IM, De Smedt B, Reynvoet B (2017). Unpacking symbolic number comparison and its relation with arithmetic in adults. Cognition, 165:26-38.  PDF

Vogel SE, Haigh T, Sommerauer G, Spindler M, Brunner C, Lyons IM, Grabner RH (2017). Processing the order of symbolic numbers: a reliable and unique predictor of arithmetic fluency. Journal of Numerical Cognition, 3(2), 288-308. PDF


Ansari D, Lyons IM (2016). Cognitive Neuroscience and Mathematics Learning: How far have we come? Where do we need to go? ZDM Mathematics Education, 48(3): 379-383. PDF

Lyons IM, Vogel S, Ansari D (2016). On the Ordinality of Numbers: A review of neural and behavioral studies. Progress in Brain Research, 227:187-221. PDF


Lyons IM, Ansari D (2015). Foundations of children's numerical and mathematical skills: The roles of symbolic and nonsymbolic representations of numerical magnitude. Advances in Child Development and Behavior, 48:93-116. PDF

Wang Z, Lukowski SL, Hart SA, Lyons IM, Thompson LA, Kovas Y, Mazzocco MM, Plomin R, Petrill SA (2015). Is Math Anxiety Always Bad for Math Learning? The Role of Math Motivation. Psychological Science, 26(12):1863-76. PDF

Lyons IM (2015). Numbers and Number Sense. In: Wright JD (editor-in-chief), International Encyclopedia of the Social & Behavioral Sciences, 2nd edition. Vol 17: 46-56. Oxford: Elsevier. PDF

Lyons IM, Ansari D (2015). Numerical Order Processing in Children: From reversing the distance-effect to predicting arithmetic. Mind, Brain and Education, 9(4):207-21. PDF

Lyons IM, Nuerk HC, Ansari D (2015). Rethinking the Implications of Numerical Ratio Effects for Understanding the Development of Representational Precision and Numerical Processing across Formats. Journal of Experimental Psychology: General, 144(5): 1021-35. PDF

Necka EA, Sokolowski HM, Lyons IM (2015). The role of self-math overlap in understanding math anxiety and the relation between math anxiety and math performance. PDF

Lyons IM, Ansari D, Beilock SL (2015). Qualitatively different coding of symbolic and nonsymbolic numbers in the human brain. Human Brain Mapping, 36(2): 475-88. PDF


Lyons IM, Price GR, Vaessen A, Blomert L, Ansari D (2014). Numerical Predictors of Arithmetic Success in Grades 1-6. Developmental Science, 17(5):714-26. PDF

Lyons IM, Huttenlocher J, Ratliff KR (2014). The influence of cue-reliability and cue-representation on spatial reorienting in young children. Journal of Cognition and Development, 15(3):402-13. PDF

Wang Z, Hart S, Kovas Y, Lukowski S, Soden B, Thompson L, Plomin R, McLoughlin G, Lyons IM, Petrill S (2014). Who’s Afraid of Math? Two Sources of Genetic Variance for Mathematical Anxiety. Journal of Child Psychology and Psychiatry, 55(9):1056-64. PDF


Lyons IM, Beilock SL (2013). Ordinality and the Nature of Symbolic Numbers. Journal of Neuroscience, 33(43):17052-61. PDF


Lyons IM, Beilock SL (2012). Mathematics Anxiety: Separating the math from the anxiety. Cerebral Cortex, 22(9):2102-10. PDF

Lyons IM, Ansari D, Beilock SL (2012). Symbolic Estrangement: Evidence against a strong association between numerical symbols and the quantities they represent. Journal of Experimental Psychology: General, 141(4):635-41. PDF

Lyons IM, Beilock SL (2012). When Math Hurts: Math anxiety predicts pain network activation in anticipation of doing math. PLoS: ONE, 7(10):e48076. PDF


Lyons IM, Beilock SL (2011). Numerical ordering ability mediates the relation between number-sense and arithmetic competence. Cognition, 121(2):256-61. PDF


Lyons IM, Mattarella-Micke A, Cieslak M, Nusbaum HC, Small SL, Beilock SL (2010). The role of personal experience in the neural processing of action-related language. Brain & Language, 112(3):214-22. PDF


Lyons IM, Beilock SL (2009). Beyond Quantity: Individual Differences in Working Memory and the Ordinal Understanding of Numerical Symbols. Cognition, 113(2):189-204. PDF

Lyons IM, Ansari D (2009). The Cerebral Basis of Mapping Nonsymbolic Numerical Quantities onto Abstract Symbols: An fMRI training study. Journal of Cognitive Neuroscience, 21(9):1720-35. PDF


Beilock SL, Lyons IM (2008). Expertise and the mental simulation of action. In: Markman KD, Klein WMP, Suhr JA (Eds.), The Handbook of Imagination and Mental Simulation, Psychology Press. PDF

Beilock SL, Lyons IM, Mattarella-Micke A, Nusbaum HC, Small SL (2008). Sports experience changes the neural processing of action language. Proceedings of the National Academy of Sciences (USA), 106(36):13269-73. PDF


Ansari D*, Lyons IM*, van Eimeren L, Xu F (2007). Linking visual attention and number processing in the brain: The role of the temporoparietal junction in small and large number processing, Journal of Cognitive Neuroscience, 19(11):1845-53. PDF

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