Edited Books

Schmidt, L.A., & Poole, K.L. (Editors). (2020). Adaptive Shyness: Multiple Perspectives on Behavior and Development (pp. xvii-327). Cham, Switzerland: Springer Publishers.

Burack, J.A., & Schmidt, L.A. (Editors). (2014). Cultural and Contextual Perspectives on Developmental Risk and Well-being (pp. xx-298). New York: Cambridge University Press.

Schmidt, L.A., & Segalowitz, S.J. (Editors). (2008). Developmental Psychophysiology: Theory, Systems, and Methods (pp. xxii-462). New York: Cambridge University Press.

Schmidt, L.A., & Schulkin, J. (Editors). (1999). Extreme Fear, Shyness, and Social Phobia: Origins, Biological Mechanisms, and Clinical Outcomes (pp. x-311) (Series in Affective Science). New York: Oxford University Press.

Special Issues

Chen, X., Liu, J., Schmidt, L.A., & Ding, X. (Topic Editors). (2024). Causes and consequences of solitude in children and adolescents. [Special Issue]. Frontiers in Psychiatry, 15:1366539

Schmidt, L.A. (Editor). (2019). Personality development from multiple perspectives and contexts [Special Issue]. New Ideas in Psychology, 53, 1-74.

Schmidt, L.A., Burack, J.A., & Van Lieshout, R.J. (Editors).(2016). Developmental origins of adult mental health and illness. [Special Issue]. Journal of Developmental Origins of Health and Disease, 7(6), 564-625.

Schmidt, L.A., & Coplan, R.J. (Editors). (2014). Shyness, behavioral inhibition, and social withdrawal: Snapshots from the field. [Special Issue]. Infant and Child Development, 23(3), 217-352.

Vaillancourt, T., & Schmidt, L.A. (Editors). (2011). Aggression and peer victimization: Genetic, neurophysiological, and neuroendocrine considerations. [Special Issue]. Brain and Cognition, 77(2), 151-199.

Schmidt, L.A. (Editor). (2007). Social cognitive and affective neuroscience: Developmental and clinical perspectives. [Special Issue]. Brain and Cognition, 65(1), 1-142.

Schmidt, L.A. (Editor). (2003). Affective neuroscience. [Special Issue]. Brain and Cognition, 52(1), 1-133.

Selected Recent Book Chapters

Note: Names of students and research trainees are underlined.

Schmidt, L.A., Hassan, R., Kong, X., MacGowan, T.L., & Poole, K.L. (In press). Childhood shyness: An exemplar of the interface of cognition and emotion in human development. In M.A. Bell (Ed.), Child Development at the Intersection of Emotion and Cognition (2nd Edition). Washington, DC: American Psychological Association.

Hassan, R., MacGowan, T.L., Poole, K.L., & Schmidt, L.A. (2021). Evolutionary and neuroscientific perspectives on adaptive shyness. In R.J. Coplan, J.C. Bowker, & L.J. Nelson (Eds.), Handbook of Solitude: Psychological Perspectives on Social Isolation, Social Withdrawal, and Being Alone (2nd Edition, pp. 16-30). New York: John Wiley & Sons.

Mathewson, K.J., Burack, J., Saigal, S., & Schmidt, L.A. (2021). Tiny babies grow up: The long-term effects of extremely low birth weight. In A. Wazana, T. Oberlander, & E. Székely (Eds.), Prenatal Stress and Child Development (pp.469-490). Springer Nature.

Schmidt, L.A., Poole, K.L., Fox, N.A., & Kagan, J. (2020). The study of behavioral inhibition and temperamental shyness across four academic generations. In L.A. Schmidt & K.L. Poole (Eds.), Adaptive Shyness: Multiple Perspectives on Behavior and Development (pp. 3-21). Cham, Switzerland: Springer Publishers.

Poole, K.L., & Schmidt, L.A. (2020). Adaptive shyness: A developmental approach. In L.A. Schmidt & K.L. Poole (Eds.), Adaptive Shyness: Multiple Perspectives on Behavior and Development (pp. 25-40). Cham, Switzerland: Springer Publishers.

Poole, K.L., Tang, A., & Schmidt, L.A. (2018). The temperamentally shy child as the social adult: An exemplar of multifinality. In K. Perez-Edgar & N.A. Fox (Eds.), Behavioral Inhibition: Integrating Theory, Research, and Clinical Perspectives (pp. 185-212). Cham, Switzerland: Springer Publishers.

Chen, X., & Schmidt, L.A. (2015). Temperament and personality development. In R. Lerner (Editor-in-Chief), Handbook of Child Psychology and Developmental Science (7th Ed.), In M. Lamb & C. Garcia-Coll (Section Editors), Vol 3, Social and Emotional Development (pp. 152-200). Hoboken, NJ: Wiley.

Selected Recent Theoretical and Position Papers

Schmidt, L.A. (2020). Social distancing emotions: A new kind of (mal)adaptive shyness resulting from COVID-19. Psynopsis, 42(3), 20.

Schmidt, L.A., & Poole, K.L. (2019). On the bifurcation of temperamental shyness:  Development, adaptation, and neoteny [Special Issue]. New Ideas in Psychology, 53, 13-21.

Schmidt, L.A. (2018).  Understanding temperamental shyness:  Reflections on heterogeneity, context, and function.  In Uher, J., Trofimova, I., Sulis, W., Netter, P., Pessoa, L., Posner, M.I., Rothbart, M.K., Rusalov, V., Peterson, I.T., & Schmidt, L.A. Diversity in action: Exchange of perspectives and reflections on taxonomies of individual differences. Philosophical Transactions of the Royal Society-B, Biological Sciences, 383: 20170172, 6-7.

Khan, A., Schmidt, L.A., & Chen X. (2017). Cultural neuroscience of emotion: Toward a developmental framework. Psychology & Neuroscience, 10, 11-40.

Schmidt, L.A., & Miskovic, V. (2013). A new perspective on temperamental shyness: Differential susceptibility to endogenous environmental influences. Social and Personality Psychology Compass, 7, 141-157.

Selected Recent Empirical Papers

Temperament, Biology, and Social Behavior in Typical Development: Developmental and Individual Differences

Jung, S., Poole, K.P., & Schmidt, L.A. (2023). Children’s shyness, emotional intelligence, and internalizing behaviors. Personality and Individual Differences, 211, 1-5.

Hassan, R., Poole, K.L., Smith, A., Niccols, A., & Schmidt, L.A. (2022). Temperamental and physiological regulatory capacity in infancy: Links with toddler behavior problems. Infant Behavior and Development, 69, 1-9.

Krzeczkowski, J.E., Van Lieshout, R.J., & Schmidt, L.A. (2022). Transacting brains: testing an actor-partner model of frontal EEG activity in mother-infant dyads. Development and Psychopathology, 34, 969-980.

Poole, K.L., & Schmidt, L.A. (2022). Temperamental contributions to state expressions of shyness in children. Personality and Individual Differences, 186, 1-6. 

Schmidt, L.A., Poole, K.L., Hassan, R., & Willoughby, T. (2022). Frontal EEG alpha-delta ratio and social anxiety across early adolescence. International Journal of Psychophysiology, 175, 1-7.

Willoughby, T., Heffer, T., van Noordt, S., Desjardins, J., Segalowitz, S.J., & Schmidt, L.A. (2021). An ERP investigation of children and adolescents’ sensitivity to wins and losses during a peer observation manipulation. Developmental Cognitive Neuroscience, 51, 1-11.

MacGowan, T.L., & Schmidt, L.A. (2020). Shyness, aggression, and empathy in children of shy mothers: Moderating influence of children's psychophysiological self-regulation. Developmental Psychobiology, 62, 324-338.

Poole, K.L., Khalesi, Z., Rutherford, M.D., Swain, A., Mullen, J.N., Hall, G.B., & Schmidt, L.A. (2020). Personality and opponent processes: Shyness, sociability, and visual afterimages to emotion.  Emotion, 20, 605-612.

Poole, K.L., & Schmidt, L.A. (2019). Frontal brain delta-beta correlation, salivary cortisol, and social anxiety in children. Journal of Child Psychology and Psychiatry, 60, 646-654.

Tang, A., Van Lieshout, R.J., Lahat, A., Duku, E., Boyle, M.H., Saigal, S., & Schmidt, L.A. (2017). Shyness trajectories across the first four decades predict mental health outcomes. Journal of Abnormal Child Psychology, 45, 1621-1633.

Temperament, Biology, and Social Behavior in Atypical Development: Exposure to Pre- and Post-Natal Adversity and Clinical Phenomena

Mathewson, K.J., Brook, C.A., Saigal, S., Van Lieshout, R.J., & Schmidt, L.A. (In press). Dynamic changes in postnatal growth predict adolescent mental health problems in survivors of extremely low birth weight (ELBW). Development and Psychopathology.

Sacrey, L. A. R., Zwaigenbaum, L., Brian, J. A., Smith, I.M., Armstrong, V., Vaillancourt, T., & Schmidt, L.A. (2024). Behavioral and physiological differences during an emotion-evoking task in children at increased likelihood for autism spectrum disorder. Development and Psychopathology, 36, 404-414.

Mathewson, K.J., Beaton, E.A., Hobbs, D., Hall, G.B.C., †Schulkin, J., Van Lieshout, R.J., Saigal, S., & Schmidt, L.A. (2023). Brain structure and function in the fourth decade of life after extremely low birth weight: An MRI and EEG study. Clinical Neurophysiology, 154, 85-99.

Stead, V.E., Schmidt, L.A., Crowley, M.J., Dyce, L., Hall, G.B., Van Lieshout, R.J., & Boylan, K. (2023). Frontal EEG asymmetry moderates the relation between borderline personality disorder features and feelings of social rejection in adolescents. Development and Psychopathology, 35, 876-890.

Krzeczkowski, J.E., Schmidt, L.A., Ferro, M.A., & Van Lieshout, R.J. (2022). Follow  the leader: Maternal transmission of physiological regulatory support to distressed infants in real-time. Journal of Psychopathology and Clinical Science, 131, 524-534.

Schmidt, L.A., Poole, K.L., Krzeczkowski, J., Van Lieshout, R.J., Saigal, S., & Mathewson, K.J. (2022). Long-term stability of frontal electroencephalogram alpha power and asymmetry at rest in adults born at extremely low or normal birth weight: A 10-year longitudinal study. Developmental Psychobiology, 64, 1-19.

Hassan, R., MacMillan, H.L., Saigal, S., & Schmidt, L.A. (2022). Brain, interrupted: Alpha/delta EEG ratio patterns in survivors of pre and post-natal adversity. International Journal of Neuroscience, 132, 31-37.

Mathewson, K.J., McGowan, P.O., de Vega, W.C., Van Lieshout, R.J., Morrison, K., Saigal,S., & Schmidt, L.A. (2022). DNA methylation profiles in adults born at extremely low birth weight. Development and Psychopathology, 34, 19-36.

Mathewson, K.J., McGowan, P.O., de Vega, W.C., Morrison, K., Saigal, S., Van Lieshout, R.J., & Schmidt, L.A. (2021). Cumulative risks predict epigenetic age in adult survivors of extremely low birth weight. Developmental Psychobiology, 63, 1-15.

Krzeczkowski, J.E., Van Lieshout, R.J., & Schmidt, L.A. (2021). Changes in infant emotion regulation following maternal cognitive behavioral therapy for postpartum depression. Depression and Anxiety, 38, 412-421.

MacGowan, T.L., Tasker, S.L., & Schmidt, L.A. (2021). Differences in established joint attention in hearing-hearing and hearing-deaf mother-child dyads: Associations with social competence, settings, and tasks. Child Development, 92, 1388-1402.

Van Lieshout, R.J., McGowan, P.O., de Vega, W., Savoy, C.D., Morrison, K.M., Saigal, S., Mathewson, K.J., & Schmidt, L.A. (2021). Extremely low birth weight and accelerated biological aging. Pediatrics, 147, 1-8.

Hassan, R., MacMillan, H.L., Tanaka, M., & Schmidt, L.A. (2020). Psychophysiological influences on personality trajectories in adolescent females exposed to child maltreatment. Development and Psychopathology, 32, 1390-1401.

Lahat, A., Tang, A., Tanaka, M., Van Lieshout, R.J., MacMillian, H., & Schmidt, L.A. (2018). Longitudinal associations among child maltreatment, resting frontal electroencephalogram asymmetry, and adolescent shyness. Child Development, 89, 746-757.

Van Lieshout, R.J., Boyle, M.H., Favotto, L., Krzeczkowski, J.E., Savoy, C., Saigal, S., Morrison, K.M., & Schmidt, L.A. (2018). Impact of extremely low birth weight status on risk and resilience for depression and anxiety in adulthood. Journal of Child Psychology and Psychiatry, 59, 596-603.

Mathewson, K.J., Chow, C.T., Dobson, K.G., Pope, E.I., Schmidt, L.A., & Van Lieshout, R.J. (2017). Mental health of extremely low birth weight survivors: A systematic review and meta-analysis. Psychological Bulletin, 143, 347-383.

Temperament, Anxiety, and Psychophysiology in Ecologically Salient, Novel Contexts: The Surgical Setting

Chow, C.H.T., Poole, K.L., Xu, R.Y., Sriranjan, J., Van Lieshout, R.J., Buckley, N., Moffat, G. & Schmidt, L.A. (2023). Children’s shyness, frontal brain activity, and anxiety in the perioperative context. Behavioral Sciences, 13, 1-10.

Chow, C.H.T., Yu, C., Yu, W., Yeung, K., Schmidt, L.A., & Buckley, N. (2023). Risk and protective factors in predicting pediatric acute postsurgical pain: A systematic review and meta-analysis. Health Psychology, 42, 723-734.

Xu, R.Y., Chow, C.H.T., Poole, K.L., Sriranjan, J., Mirabelli, J., Moffat, G., Van Lieshout, R.J., Buckley, N., & Schmidt, L.A. (2023). Mobile quantitative EEG assessment and children’s preoperative anxiety: A psychometric and feasibility study. Journal of Technology in Behavioral Science, 8, 47-56.

Sriranjan, J., Chow, C.H.T., Poole, K.L., Hassan, R., Mirabelli, J., Buckley, N., Van Lieshout, R.J., & Schmidt, L.A. (2022). Children’s shyness and frontal electroencephalogram delta-beta correlation in the pediatric surgical setting. Developmental Psychobiology, 64, 1-12.

Chow, C.H.T., Schmidt, L.A., & Buckley, N. (2020). The role of anxiety and related states in pediatric postsurgical pain. Canadian Journal of Pain, 4, 26-36.

Chow, C.H.T., Rizwan, A., Xu, R., Poulin, L., Bhardwaj, V., Van Lieshout, R.J., Buckley, N., & Schmidt, L.A. (2019). Association of temperament with preoperative anxiety in pediatric patients undergoing surgery: A systematic review and meta-analysis. JAMA Network Open, 2(6):e195614, 1-19.

Chow, C.H.T., Wan, S., Pope, E., Meng, Z., Schmidt, L.A., Buckley, N., & Van Lieshout, R.J. (2018). Audiovisual interventions for parental preoperative anxiety: A systematic review and meta-analysis. Health Psychology, 37, 746-758.

Chow, C.H.T., Nejati, N., Poole, K.L., Van Lieshout, R.J., Buckley, N., & Schmidt, L.A. (2017). Children’s shyness in a surgical setting. Journal of the Canadian Academy of Child and Adolescent Psychiatry, 26, 190-197.

Chow, C.H.T., Van Lieshout, R.J., Schmidt, L.A., & Buckley, N. (2017). Tablet-based intervention for reducing children’s preoperative anxiety: A pilot study. Journal of Developmental and Behavioral Pediatrics, 38, 409-416.

Chow, C.H.T., Van Lieshout, R.J., & Buckley, N. & Schmidt, L.A. (2016). Children's Preoperative Multidimensional Anxiety Scale (CPMAS): Development and validation. Psychological Assessment, 28, 1101-1109.

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