Gary E. Martin

ProfessorDirector, MA Speech Language Pathology Program
Ph.D., Speech and Hearing Sciences, University of North Carolina at Chapel HillM.A., Speech-Language Pathology, University of PittsburghB.A., Communication Sciences and Disorders, University of Pittsburgh

Dr. Martin joined St. John’s University in 2014. He is a Professor and the MA Program Director in the Department of Communication Sciences and Disorders (CSD). He is also a nationally certified speech-language pathologist. Previously, Dr. Martin served as Assistant Chair and Undergraduate Program Coordinator in the CSD Department. Before joining the faculty at St. John’s University, he was a Scientist at the Frank Porter Graham Child Development Institute at the University of North Carolina at Chapel Hill. 

Dr. Martin’s research focuses on speech and language development of children with fragile X syndrome (FXS), autism spectrum disorder (ASD), and Down syndrome, with particular emphasis on pragmatic language, prosody, sex differences, and the overlap of FXS and ASD. Dr. Martin has first-authored or co-authored 49 publications and over 130 presentations. 

 

 

 


Current/Recent Projects

Title:  Defining the Female Pragmatic Language Profile of Autism and the Broad Autism Phenotype
PIs: Losh, M. (Northwestern University) & Martin, G.E.
Funding Source: National Institute on Deafness and Other Communication Disorders (R01)     
Role: PI (multi-PI mechanism) 
Award Period: 12/1/2024 – 11/30/2029

Title: A Family-Genetic Study of Language in Autism 
PI: Losh, M. (Northwestern University)  
Funding Source: National Institute on Deafness and Other Communication Disorders (R01)  
Role: Consultant  
Award Period: 09/01/23 – 06/30/28 

Title: A Family-Genetic Study of Autism and Fragile X Syndrome 
PI: Losh, M. (Northwestern University)  
Funding Source: National Institute of Mental Health (R01) 
Role: Consultant 
Award Period: 9/23/19 – 7/31/24 

Peer-Reviewed Publications

Landau, E., Nayar, K., Martin, G. E., Stevens, C., Xing, J., Guilfoyle, J., Lau, J. C. Y., & Losh, M. (2025). Context effects: Discourse structure influences narrative ability in autism and first-degree relatives. Frontiers in Psychiatry, 16. https://doi.org/10.3389/fpsyt.2025.1588429 

Lau, J. C., Guilfoyle, J., Crawford, S., Johnson, G., Landau, E., Xing, J., Martin, G. E., Nayar, K., Stevens, C., Lai, S., Sharda, M., Rivera, S. M., Hall, S. S., Reiss, A. L., Rivera, S. M., & Losh, M. (2025). Prosodic differences in women with the FMR1 premutation: Subtle expression of autism-related phenotypes through speech. International Journal of Molecular Sciences, 26(6), 2481. 

Martin, G.E., Ethridge, S., Butler, M., Landau, E., Guilfoyle, J., Crawford, S., Kumareswaran, M., Xing, J., Fragnito, G., & Losh, M. (2025). Underrepresentation of females and racial and ethnic minority groups in research on pragmatic language in autism: A scoping review. Neurodiversity, 3, 1-13. https://doi.org/10.1177/27546330251381443

Nayar, K., Landau, E., Martin, G.E., Stevens, C.J., Xing, J., Pirog, S., Guilfoyle, J.L., Gordon, P.C., & Losh, M. (2024). Narrative ability in autism and first-degree relatives. Journal of Autism and Developmental Disorders. https://doi.org/10.1007/s10803-024-06424-0.  

Martin, G.E., Lee, M., Bicknell, K., Goodkind, A., Maltman, N., & Losh, M (2023). A longitudinal investigation of pragmatic language across contexts in autism and related neurodevelopmental conditions. Frontiers in Neurology, 14:1155691. doi: 10.3389/fneur.2023.1155691

Patel, S.P., Landau, E., Martin, G.E., Rayburn, C., Elahi, S., Dillman, G., & Losh, M. (2023). A profile of prosodic speech differences in individuals with autism spectrum disorder and first-degree relatives. Journal of Communication Disorders, 102, 106313. https://doi.org/10.1016/j.jcomdis.2023.106313

Guilfoyle, J., Winston, M., Nayar, K., Bush, L., Sideris, J., Martin, G.E., Wassink, T., Losh, M. (2022). Childhood academic performance profiles: A potential marker of genetic liability to autism. Journal of Autism and Developmental Disorders. https://doi.org/10.1007/s10803-022-05459-5

Lau, J.C.Y., Patel, S., Kang, X., Nayar, K., Martin, G.E., Choy, J., Wong, P.C.M., & Losh, M. (2022). Cross-linguistic patterns of impaired speech prosody in autism: A machine learning study. PLoS ONE 17(6): e0269637. https://doi.org/10.1371/journal.pone.0269637

Patel, S.P., Winston, M., Guilfoyle, J., Nicol, T., Martin, G.E., Kraus, N., & Losh, M. (2022). Neural processing of speech sounds in ASD and first-degree relatives. Journal of Autism and Developmental Disorders. https://doi.org/10.1007/s10803-022-05562-7 

Bush, L., Martin, G.E., Landau, E., & Losh, M. (2021). A longitudinal study of parent-child interactions and language outcomes in fragile X syndrome and other neurodevelopmental disorders. Frontiers in Psychiatry, 12: 718572. DOI: 10.3389/fpsyt.2021.718572.

Maltman, N., Guilfoyle, J., Nayar, K., Martin, G.E., Winston, M., Lau, J.C.Y., Bush, L., Patel, S., Lee, M., Sideris, J., Hall, D., Zhou, L., Sharp, K., Berry-Kravis, E., & Losh, M. (2021). The phenotypic profile associated with the FMR1 premutation in women: An investigation of clinical-behavioral, social-cognitive, and executive abilities. Frontiers in Psychiatry, 12: 718485. DOI: 10.3389/fpsyt.2021.718485.

Wheeler, A.C., Gwaltney, A., Raspa, M., Okoniewski, K.C., Berry-Kravis, E., Botteron, K.N., Budimirovic, D., Hazlett, H.C., Hessl, D., Losh, M., MartinG.E., Rivera, S.M., Roberts, J.E., & Bailey, D.B. (2021). Emergence of developmental delay in infants and toddlers with an FMR1 mutation. Pediatrics, 147(5): e2020011528; DOI: https://doi.org/10.1542/peds.2020-011528

Patel, S.P., Nayar, K., Martin, G.E., Franich, K., Crawford, S., Diehl, J.J., & Losh, M. (2020). An acoustic characterization of prosodic differences in autism spectrum disorder and first-degree relatives. Journal of Autism and Developmental Disorders. Epub ahead of print. doi: https://doi.org/10.1007/s10803-020-04392-9.

Lee, M., Nayar, K., Maltman, N., Hamburger, D., Martin, G.E., Gordon, P.C., & Losh, M. (2020). Understanding social communication differences in autism spectrum disorder and first-degree relatives: A study of looking and speaking. Journal of Autism and Developmental Disorders, 50(6), 2128–2141.

Martin, G.E., Barstein, J., Patel, S., Lee, M., Henry, L., & Losh, M. (2020). Longitudinal analysis of communication repair skills across three neurodevelopmental disabilities. International Journal of Language & Communication Disorders, 55(1), 26-42.

Price, J.R., Martin, G.E., Chen, K. & Jones, J.R. (2020). A preliminary study of writing skills in adolescents with autism across persuasive, expository, and narrative genres. Journal of Autism and Developmental Disorders, 50(1), 319-332.

Swinburne, G., & Martin, G.E. (2020). Equal access to speech-language pathologists in New York City: A survey of two daycares. Journal of Vincentian Social Action, 5(1), Article 5. Available at: https://scholar.stjohns.edu/jovsa/vol5/iss1/5

Nayar, K., McKinney, W., Hogan, A.L., Martin, G.E., La Valle, C., Sharp, K., Berry-Kravis, E., Norton, E.S., Gordon, P.C., & Losh, M. (2019). Language processing skills linked to FMR1 variation: A study of gaze-language coordination during rapid automatized naming among women with the FMR1 premutation. PLoS ONE 14(7), 1-22.

Martin, G.E., Bush, L., Klusek, J., Patel, S., & Losh, M. (2018). A multimethod analysis of pragmatic skills in children and adolescents with fragile X syndrome, autism spectrum disorder, and Down syndrome. Journal of Speech, Language, and Hearing Research, 61, 3023–3037.

Nayar, K., Gordon, P.C., Martin, G.E., Hogan, A.L., La Valle, C., McKinney, W., Lee, M., Norton, E.S., & Losh, M. (2018). Links between looking and speaking in autism and first-degree relatives: Insights into the expression of genetic liability to autism. Molecular Autism, 9(1). doi:10.1186/s13229-018-0233-5.

Barstein, J., Martin, G.E., Lee, M., & Losh, M. (2018). A duck wearing boots?! Pragmatic language strategies for repairing communication breakdowns across genetically-based neurodevelopmental disabilities. Journal of Speech, Language, and Hearing Research, 61, 1440–1454.

Lee, M., Bush, L., Martin, G.E., Barstein, J., Maltman, N., Klusek, J., & Losh, M. (2017). A multi-method investigation of pragmatic development in individuals with Down syndrome. American Journal on Intellectual and Developmental Disabilities, 122(4), 289–309.

Martin, G.E., Barstein, J., Hornickel, J., Matherly, S., Durante, G., & Losh, M. (2017). Signaling of noncomprehension in communication breakdowns in fragile X syndrome, Down syndrome, and autism spectrum disorder. Journal of Communication Disorders, 65, 22-34.

Losh, M., Martin, G.E., Lee, M., Klusek, J., Sideris, J., & Wassink, T. (2017). Developmental markers of genetic liability to autism in parents: A longitudinal, multigenerational study. Journal of Autism and Developmental Disorders, 47(3), 834-845.

Lee, M., Martin, G.E., Hogan-Brown, A., Hano, D., Gordon, P.C., & Losh, M. (2017). What’s the story? A computational analysis of narrative competence in autism. Autism: The International Journal of Research and Practice, 71, 1-10, doi:10.1177/1362361316677957.

Lee, M., Martin, G.E., Berry-Kravis, E., & Losh, M. (2016). A developmental, longitudinal investigation of autism phenotypic profiles in fragile X syndrome. Journal of Neurodevelopmental Disorders, 8:47, 1-10, doi: 10.1186/s11689-016-9179-0.

Klusek, J., Martin, G. E., & Losh, M. (2014). Consistency between research and clinical diagnoses of autism among boys and girls with fragile X syndrome. Journal of Intellectual Disability Research, 58, 940-952.

Klusek, J., Martin, G.E., & Losh, M. (2014). A comparison of pragmatic language in boys with autism and fragile X syndrome. Journal of Speech, Language, and Hearing Research, 57, 1692-1707.

Klusek, J., Losh, M., & Martin, G.E. (2014). Sex differences and within-family associations in the broad autism phenotype. Autism: The International Journal of Research and Practice, 18, 106-116.

Klusek, J., Martin, G.E., & Losh, M. (2013). Physiological arousal in autism and fragile X syndrome: Group comparisons and links with pragmatic language. American Journal on Intellectual and Developmental Disabilities, 118(6), 475-495.

Hogan-Brown, A.L., Losh, M., Martin, G.E., & Mueffelmann, D.J. (2013). An investigation of narrative ability in boys with autism and fragile X syndrome. American Journal on Intellectual and Developmental Disabilities, 118(2), 77-94.

Martin, G.E., Ausderau, K.K., Raspa, M., Bishop, E., Mallya, U., & Bailey, D.B. (2013). Therapy service use among individuals with fragile X syndrome: Findings from a U.S. parent survey. Journal of Intellectual Disability Research, 57(9), 837 849.

Martin, G.E., Losh, M., Estigarribia, B., Sideris, J., & Roberts, J. (2013). Longitudinal profiles of expressive vocabulary, syntax, and pragmatic language in boys with fragile X syndrome or Down syndrome. International Journal Language & Communication Disorders,  48(4), 432-443. 

Estigarribia, B., Martin, G.E., & Roberts, J.E. (2012). Cognitive, environmental, and linguistic predictors of syntax in fragile X syndrome and Down syndrome. Journal of Speech, Language, and Hearing Research, 55, 1600–1612.

Losh, M., Martin, G.E., Klusek, J., Hogan-Brown, A.L., & Sideris, J. (2012). Social communication and theory of mind in boys with autism and fragile X syndrome. Frontiers in Developmental Psychology, 3, 1-12.

Losh, M., Martin, G.E., Klusek, J., & Hogan-Brown, A. (2012). Pragmatic language in autism and fragile X syndrome: Genetic and clinical applications. Perspectives on Language Learning and Education, 19(2), 48-55.

Losh, M., Klusek, J., Martin, G.E., Sideris, J., Parlier, M., & Piven, J. (2012). Defining genetically meaningful language and personality traits in relatives of individuals with fragile X syndrome and relatives of individuals with autism. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, 159B, 660-668.

Martin, G.E., Roberts, J.E., Helm-Estabrooks, N., Sideris, J., Vanderbilt, J., & Moskowitz, L. (2012). Perseveration in the connected speech of boys with fragile X syndrome with and without autism spectrum disorder. American Journal on Intellectual and Developmental Disabilities, 117(5), 384-389.

Estigarribia, B., Martin, G.E., Roberts, J.E., Spencer, A., Gucwa, A., & Sideris, J. (2011). Narrative skill in boys with fragile X syndrome with and without autism spectrum disorder. Applied Psycholinguistics, 32, 359–388.  

Zajac, D.J., Harris, A.A., Roberts, J.E., & Martin, G.E. (2009). Direct magnitude estimation of articulation rate in  boys with fragile X syndrome. Journal of Speech, Language, and Hearing Research. 52(5), 1370-9.

Martin, G.E., Klusek, J., Estigarribia, B., & Roberts, J.E. (2009). Language characteristics of individuals with Down syndrome. Topics in Language Disorders, 29(2), 112-132.

Barnes, E., Roberts, J., Long, S.H., Martin, G.E., Berni, M., Callahan-Mandulak, K. & Sideris, J. (2009). Phonological accuracy and intelligibility in connected speech of boys with fragile X syndrome or Down syndrome. Journal of Speech, Language, and Hearing Research, 52(4), 1048-61.

Roberts, J., Martin, G.E., Moskowitz, L., Harris, A.A., Foreman, J., & Nelson, L. (2007). Discourse skills of boys with fragile X syndrome in comparison to boys with Down syndrome. Journal of Speech, Language, and Hearing Research, 50, 475-492.

Price, J., Roberts, J., Vandergrift, N., & Martin, G. (2007). Language comprehension in boys with fragile X syndrome and boys with Down syndrome. Journal of Intellectual Disability Research, 51(4), 318-326

Other Publications

Martin, G.E., Bush, L., Patel, S., & Losh, M. (2021). Fragile X syndrome. In L. Cummings (Ed.), Handbook of Pragmatic Language Disorders: Complex and Underserved Populations (pp. 79-98). Cham, Switzerland: Springer-Verlag.

Martin, G.E., Lee, M., & Losh, M. (2017). Intellectual disability. In L. Cummings (Ed.), Research in Clinical Pragmatics, Series: Perspectives in Pragmatics, Philosophy & Psychology, Vol. 11. Cham, Switzerland: Springer-Verlag. ISBN: 978-3-319-47487-8 (hardcover); 978-3-319-47489-2 (eBook)

Martin, G.E., Losh, M., & Roberts, J.E. (2009). Language and autism in boys with FXS. The National Fragile X Foundation Quarterly, 35, 6-7.

Roberts, J.E., Chapman, R.S., Martin, G.E., & Moskowitz, L. (2008). Language of preschool and school-age children with Down syndrome and fragile X syndrome. In S.F. Warren & M.E. Fey (Series Eds.) & J.E. Roberts, R.S. Chapman, & S.F. Warren (Vol. Eds.), Communication and language intervention series: Speech and language development and intervention in Down syndrome and fragile X syndrome (pp. 77-115). Baltimore: Paul H. Brookes Publishing Co.

 

 

 

 

 

 

 

 

 

Courses Taught at St. John’s University:

  • CSD 1710: Phonetics
  • CSD 1720: Anatomy and Physiology of the Speech System
  • CSD 1730: Language Acquisition
  • CSD 1750: Speech Science
  • CSD 1820: Neurological Bases of Normal Human Communication and Balance
  • CSD 2760: Language Disorders Across the Lifespan
  • CSD 4953: Independent Study
  • CSD 452: Special Research
  • CSD 201: Introduction to Research Methods
  • CSD 318: Developmental Language Disorders