Publications

Hahn, L. J., Brady, N. C. & Versaci, T. (2019). Communicative use of triadic eye gaze in children with Down syndrome, autism spectrum disorder and other intellectual and developmental disabilities. American Journal of Speech-Language Pathology, 1-14. doi: 10.1044/2019_AJSLP-18-0155

Channell, M. M., Hahn, L. J., Rosser, T., Strang, J., Capone, G., … & the Down Syndrome Cognition Project. (2019). Characteristics associated with autism spectrum disorder risk in individuals with Down syndrome. Journal of Autism and Developmental Disorders, 49(9), 3543-3556. doi: 10.1007/s10803-019-04074-1

Hahn, L. J., Loveall, S. J., Savoy, M. T., Neumann, A. M., & Ikuta, T. (2018). Joint attention in Down syndrome: A meta-analysis. Research in Developmental Disabilities, 78, 89-102. doi: 10.1016/j.ridd.2018.03.013

Will, E., Caravella, K., Hahn, L. J., Fidler, D. J., & Roberts, J. E. (2018). Adaptive behavior trends in infants and toddlers with Down syndrome and fragile X syndrome. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, 177B, 358-368. doi: 0.1002/ajmg.b.32619

Hahn, L. J., Brady, N. C., McCary, L., Rague, L., & Roberts, J. E. (2017). Social communication in infants with fragile X syndrome and infant siblings of children with autism. Research in Developmental Disabilities, 41, 169-180. doi: 10.1016/j.ridd.2017.10.004 

Loveall, S., Conners, F., Tungate, A., Hahn, L. J., & Osso, T. (2017). A cross-sectional analysis of executive functioning in Down syndrome from 2-35 years. Journal of Intellectual Disability Research, 61(9), 877-887. doi: 10.1111/jir.12396

Warren, S. F., Brady, N. C., Fleming, K., & Hahn, L. J. (2017). The longitudinal effect of parenting on adaptive behavior in children with boys with fragile X syndrome. Journal of Autism and Developmental Disorders, 47, 768-784. doi: 10.1007/s10803-016-2999-7

Hahn, L. J. (2016). Joint attention and early social developmental cascades in neurogenetic disorders. International Research Review of Intellectual and Developmental Disabilities, 51, 123-152. doi: 10.1016/bs.irrdd.2016.08.002

Hahn, L. J., Brady, N. C., Fleming, K., & Warren, S. F. (2016). Joint engagement and early language in young children with fragile X syndrome. Journal of Speech, Language, and Hearing Research, 59(5), 1087-1098. doi: 10.1044/2016_JSLHR-L-15-0005

Scherr, J. F., Hahn, L. J., Hooper, S., Hatton, D., & Roberts, J. E. (2016). Verbal working memory and cortisol over time in boys with fragile X syndrome. Brain and Cognition, 102, 80-90. doi:10.1016/j.bandc.2015.12.002

Hahn, L. J., Brady, N. C., Warren, S. F., & Fleming, K. (2015). Do children with fragile X syndrome show declines or plateaus in adaptive behavior over time? American Journal of Intellectual and Developmental Disabilities, 120(5), 412–432. doi: 10.1352/1944-7558-120.5.412

Hahn, L. J., Zimmer, B. J., Brady, N., Siwnburne Romine, R. E., & Fleming, K. K. (2014). The role of maternal gesture use in speech use by children with fragile X syndrome. American Journal of Speech-Language Pathology, 23, 146-159. doi:10.1044/2013_AJSLP-13-0046

Hahn, L. J., Fidler, D. J., & Hepburn, S. (2014). Adaptive behavior and problem behavior in young children with Williams Syndrome. American Journal of Intellectual and Developmental Disabilities, 119(1), 43-63. doi:10.1352/1944-7558-119.1.49

Daunhauer, L. A., Fidler, D. J., Hahn, L., Will, E., Raitano, N. L. & Hepburn, S. (2014). Profiles of everyday executive functioning in young children with Down syndrome. American Journal of Intellectual and Developmental Disabilities, 119(4), 303-318. doi:10.1352/1944-7558-119.4.303

Brady, N. C., Anderson, C., Hahn, L. J., Obermeier, S. M., & Kapa, L. L. (2014). Eye-tracking as a measure of receptive vocabulary in children with autism spectrum disorders. Augmentative and Alternative Communication, 30(2), 147-159. >doi:10.3109/07434618.2014.904923

Hahn, L. J., Fidler, D. J., Hepburn, S. L., & Rogers, S. J. (2013) Early intersubjective skills and the understanding of intentionality in young children with Down syndrome. Research in Developmental Disabilities, 34, 4455-4465. doi:10.1016/j.ridd.2013.09.027

Fidler, D. J., Lunkenheimer, E., & Hahn, L. (2011). Emerging behavioral phenotypes and dynamic systems theory. International Review of Research in Intellectual Disabilities, 40, 17-42.

Hepburn, S. L., Fidler, D., Hahn, L., & Philofsky, A. (2011). Social-perceptual and social-cognitive skills in young children with Williams syndrome: Evidence for discontinuity. International Review of Research in Intellectual Disabilities, 40, 181-210