Papers, Presentations, & Posters
Papers, Presentations, & Posters
Mallard, T. T., Tubbs, J. D., Jennings, M., Zhang, Y., Gustavson, D. E., Grotzinger, A. D., Westwater, M.L., Williams, C.M., ... & Sanchez-Roige, S. (2023). The pleiotropic architecture of human impulsivity across biological scales. Accepted at American Journal of Psychiatry. https://doi.org/10.1101/2023.11.28.23299133
Williams, C. M., Weissman, D. G., Mallard, T., McLaughlin, K. A., & Harden, K. P. (2024). Genetic associations with brain structure are not correlated with individual and state-level economic differences. Developmental Cognitive Neuroscience. https://doi.org/10.1016/j.dcn.2024.101455
Williams, C.M., Peyre, H., Wolfram, T. et al. Characterizing the phenotypic and genetic structure of psychopathology in UK Biobank. Nature Mental Health (2024). https://doi.org/10.1038/s44220-024-00272-8
Williams, C.M., Poore, H., Tanksley, P.T. et al. Guidelines for Evaluating the Comparability of Down-Sampled GWAS Summary Statistics. Behav Genet (2023). https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10584908/
Williams, C.M., Peyre, H., Labouret, G., Fassaya, J., Guzmán García, A., Gauvrit, N., & Ramus, F. (2023). High intelligence is not associated with a greater propensity for mental health disorders. European Psychiatry, 66(1), E3. doi:10.1192/j.eurpsy.2022.2343
Williams, C.M., Peyre H, Ramus F. Brain volumes, thicknesses, and surface areas as mediators of genetic factors and childhood adversity on intelligence. Cereb Cortex. 2022 Dec 17:bhac468. doi: 10.1093/cercor/bhac468. Epub ahead of print. PMID: 36533516.
Williams, C.M., Labouret, G., Wolfram, T. et al. A General Cognitive Ability Factor for the UK Biobank. Behav Genet (2022). https://doi.org/10.1007/s10519-022-10127-6
Williams, C. M., Peyre, H., Toro, R., & Ramus, F. (2022). Comparing Brain Asymmetries Independently of Brain Size. NeuroImage, 119118. https://doi.org/10.1016/j.neuroimage.2022.119118
Williams, C. M., Peyre, H., Toro, R., & Ramus, F. (2021). Sex differences in the brain are not reduced to differences in body size. Neuroscience & Biobehavioral Reviews. https://doi.org/10.1016/j.neubiorev.2021.09.015
Williams, C. M., Peyre, H., Toro, R., & Ramus, F. (2021). Neuroanatomical norms in the UK Biobank: The impact of allometric scaling, sex, and age. Human Brain Mapping, 42(14), 4623–4642. https://doi.org/10.1002/hbm.25572
Guez, A., Peyre, H., Williams, C., Labouret, G., & Ramus, F. (2021). The epidemiology of cognitive development. Cognition. https://doi.org/10.1016/j.cognition.2021.104690
Williams, C.M., Peyre, H., Toro, R., Beggiato, A., and Ramus, F. Adjusting for allometric scaling in ABIDE I challenges subcortical volume differences in autism spectrum disorder. Hum Brain Mapping. 2020; 1– 20. https://doi.org/10.1002/hbm.25145
Peyre H, Schoeler T, Liu C, Williams C.M., Hoertel N, Havdahl A, Pingault JB. Combining multivariate genomic approaches to elucidate the comorbidity between autism spectrum disorder and attention deficit hyperactivity disorder. J Child Psychol Psychiatry. 2021 Jul 7. doi: 10.1111/jcpp.13479. Epub ahead of print. PMID: 34235737.
Peyre, H., Mohanpuria, N., Jednoróg, K., Heim, S., Grande, M., van Ermingen‐Marbach, M., Altarelli, I., Monzalvo, K., Williams, C.M., Germanaud, D., Toro, R. and Ramus, F. Neuroanatomy of dyslexia: An allometric approach. Eur J Neurosci. 2020; 00: 1– 15. https://doi.org/10.1111/ejn.14690
Williams, C. M., Poore, H., [….] Dick, D., Harden, K. P., Mallard, T. T., Genomic insights into substance use and disinhibitory disorders. (in prep.)
Peyre, H., Hoertel, N., Pignon, B., Weibel, S., Speranza, M., Chaumette, B., & Williams, C. M. Asymmetric associations between ADHD and the Big Five Personality Traits (in prep.)
Schwaba, T., Clapp Sullivan, M. L., Akingbuwa, W. A., Ilves, K., Tanksley, P.T., Williams, C. M. et al., (2025) Robust inference and widespread genetic correlates from a large-scale genetic association study of human personality. https://doi.org/10.1101/2025.05.16.648988 (Under review)
Ennis, G. W., Mallard, T. T., de la Fuente, J., Williams, C. M., Schwaba, T., & Tucker-Drob, E. M. (2025). Genomic taxometric analysis of negative emotionality and major depressive disorder highlights a gradient of genetic differentiation across the severity spectrum. https://doi.org/10.1101/2025.01.30.25321336 (Under review)
Londono-Correa, D., Williams, C. M., et al., (in prep.) Testing for polygenic adaptation in complex human behaviors and disorders: Convergence of results between cross-ancestry and within-sibling GWAS.
Williams, C.M., et al., “Genomic Insights into Substance Use and Disinhibitory Disorders”
Invited speaker, Center for Precision Psychiatry, Massachusetts General Hospital, Cambridge, MA, U.S.A | 10/31/2025
Williams, C.M. “Sex-related differences in the human brain ”
Invited speaker, Center for Precision Psychiatry, Massachusetts General Hospital, Cambridge, MA, U.S.A | 10/31/2025
Williams, C.M., et al., “Cross-ancestry genetic insights into externalizing behaviors, health, and social outcomes”
Invited speaker, Women's Health Conference Building Equality for Women’s Health, Paris, France | 09/25/2025
Williams, C.M., et al., “Cross-ancestry genetic insights into externalizing behaviors, health, and social outcomes”
Conference speaker, European Social Science Genetics Network (ESSGN), Bristol, UK | 05/22/2025
Williams, C.M., “Understanding the aetiology of externalizing by leveraging genomic data” (English)
Keynote speaker, GUTS genetics symposium, Utrecht, Netherlands | 02/03/2025
Williams, C. M., Peyre, H., Wolfram, T., Lee, Y. H., Ge, T., Smoller, J. W., Mallard., T.T., & Ramus, F. "Characterizing the phenotypic and genetic structure of psychopathology in UK Biobank” (English)
Invited speaker, ADAA Genetics and Neuroscience SIG for our Monthly Meeting, Zoom | 09/16/2024
Londono-Correa, D., and Williams, C. M., et al., "Testing for polygenic adaptation in complex human behaviors and disorders: Convergence of results between cross-ancestry and within-sibling GWAS" (English)
Conference speaker, Evolution and Mental Health Workshop, Erice, Italy | 08/03/2024
Williams, C. M., et al., "Externalizing 2.0: Boosting discovery of genetic variants associated with externalizing behaviors with larger and more diverse samples" (English)
Conference speaker, Behavioral Genetics Association (BGA), London, UK | 07/29/2024
Williams, C. M., et al., "Externalizing 2.0: Boosting discovery of genetic variants associated with externalizing behaviors with larger and more diverse samples" (English)
Conference speaker, European Social Science Genetics Network (ESSGN), Rotterdam, Netherlands | 06/31/2024
Williams, C. M., Peyre, H., Wolfram, T., Lee, Y. H., Ge, T., Smoller, J. W., Mallard., T.T., & Ramus, F. "Characterizing the phenotypic and genetic structure of psychopathology in UK Biobank” (English)
Invited speaker, Institut de l'Audition, Intitut Pasteur, Paris, FRANCE | 01/11/2024
Williams, C. M. "Considering genetic effects to understand associations between the environmental and neural correlates of psychological health” (English)
Invited speaker, Laboratoire de Sciences Cognitives et Paycholinguistiques (LSCP), Ecole Normale Superieure, Paris, FRANCE | 01/09/2024
Williams, C. M. "Considering genetic effects to understand associations between the environmental and neural correlates of psychological health” (English)
Invited speaker, Laboratoire de Psychologie du Développement et de l’Education (LabPsyDé), Sorbonne Université, Paris, FRANCE, zoom | 11/10/2023
Williams, C. M., et al., " Characterizing the phenotypic and genetic structure of psychopathology in UK Biobank" (English)
Invited speaker, CARE Seminar at the University of Texas at Austin, Austin, USA | 09/18/2023
Williams, C. M., et al., "Neuroanatomical mediators of the general intelligence PGS on the g-factor in the UK Biobank" (English)
Conference speaker, Behavioral Genetics Association, Los Angeles, USA| To come in June
Williams, C. M., et al., "Neuroanatomical Markers in the UK Biobank: The Impact of Allometric Scaling, Age, and Sex" (English)
Conference speaker, Colloque des Jeunes Chercheurs en Science Cognitives, ENS, Paris | 03/13/21
Williams, C. M., et al., "Allométrie cérébrale des troubles du spectre de l’autisme" (French)
Session thématique: Stratégies innovantes dans la prise en charge des Troubles du Spectre de l’Autisme
Conference speaker, Congrès Français de Psychiatrie, Online, Strasbourg, France| 27/03/20
Williams, C. M., et al.,"Brain Allometry in Autism" (English)
Conference speaker, Colloque des Jeunes Chercheurs en Science Cognitives, ENS, Paris | 03/30/19
Williams, C. M., Poore H., Londono-Correa D., Ning Y., Courchesne-Krak N., Choi M., [...] Danielle Dick*, K. Paige Harden*, & Travis T. Mallard* " Genomic Insights into Substance Use and Disinhibitory Disorders"
10/23/2025, World Congress of Psychiatric Genetics, Cancun, Mexico
Williams, C. M., Wolfram, T., Peyre, H., & Ramus, F "Genetic and Behavioural Psychopathology Factors in the UK Biobank"
06/23/2022, Behavioral Genetics Association, Los Angeles, USA
C.M. Williams, H. Peyre, R. Toro, A. Beggatio, & F.Ramus "Adjusting for Allometric Scaling in ABIDE I Challenges Subcortical Volume Differences in Autism"
Organization for Human Brain Mapping (OHBM) 2020, Online | 06/20
Video with poster available here.
C.M. Williams & N. Phillips. “Electroencephalography and Language in Bilinguals: Speech Perception in Noise”
Lady Davis Institute Scientific Retreat, Montreal| 06/16
Psychology Undergraduate Research Exposition, Montreal| 04/16
C.M. Williams & N. Phillips.“Perception du Discours avec un Bruit de Fond chez les Personnes Bilingues ”
Association Francophone pour le Savoir (French), Montreal| 05/16
C.M. Williams & N. Phillips.“Electroencephalography and Language in Bilinguals: Bilingual Speech Perception in Noise and the Montreal Bilingual Brian Initiative (MoBI) Project ”
Concordia Undergraduate Research Showcase, Montreal| 05/15