Shelly Jo Kraft, Ph.D., CCC-SLP
Shelly Jo Kraft, Ph.D., CCC-SLP
Dr. Kraft's current research focuses on the biological and behavioral genetics of stuttering, autism, SLI, SSD, and hearing loss. Other research interests include neuro-anatomical and functional features of people who stutter, auditory feedback mechanisms of speech control, autism treatment strategies, new genetic analysis techniques for modeling epigenetic complexity and exploring the relationship between cognition, temperament, and stuttering severity.
Dr. Kraft is the director of the Behavior, Speech & Genetics Lab (Rackham 051), where the majority of her research is conducted. Her latest research showcases novel approaches to the identification of gene-to-gene interaction and regulation as new genetic methodologies offer the promise of identifying etiological bases for many developmental disorders including speech and language disorders.
Dr. Kraft's research team in collaboration with the Univeristy of Texas, Baylor Medical, and Vanderbuilt University, was recently awarded a grant from the National Institutes of Health to identify genes for stuttering. She will be collecting saliva samples from people all around the world who stutter.
If you are a person who stutters, or has ever stuttered, and you are interested in participating in this study, please click here to register!
Study Background: Stuttering is a developmental speech disorder that commonly runs in families. With an onset between the ages of 2-5 years old, 5-6% of children will stutter and 1% of adults will stutter. In some places of the world 11-14% of the population stutters! The genes contributing this disorder have not been conclusively identified in the population at large. This study will investigate thousands of people who currently stutter, or ever stuttered as children, for genetic markers of the disorder. Discoveries will lead to better treatment options, development of prevention strategies, and give answers to the people affected.
Education – Degrees, Licenses, Certifications
- BA 2003 Audiology & Speech Sciences, Michigan State University
- MA 2005 Communicative Sciences & Disorders, Michigan State University
- PhD 2010 Speech Language Pathology & Human Genetics, University of Illinois, Urbana-Champaign
- PostDoctoral Scholar 2011 Human Genetics, University of Chicago
Awards and Grants
Center for Mendelian Genomics
Genes for Persistent Developmental Stuttering: Australian Cohort
The goal of this study is to investigate the genetics underlying this speech and language disorder. The investigation will focus on the genetics, neurobiology, cognitive and severity phenotypes within families enriched for the disorder located in Perth, Australia.
Role: Principal Investigator, Collaborator, Analyst
WSU Genetics Research Grant
Biomarkers for Speech Disorders: An Imaging Genetics Study
The goal of this study is to investigate the pathophysiology of stuttering in 40 adults who persistently stutter and 40 matched controls. In collaboration with McMaster University, Canada, The investigation will explore gene expression, neurobiology, and allelic variation in respect to anatomical and functional differences within the experimental cohort.
Role: Co-Principal Investigator
National Institute on Deafness and Other Communication Disorders (NIDCD)
Genetic Study of Developmental Stuttering
This study will examine genome-wide genetic risk in 800 unrelated non-consanguineous individuals who stutter and 3000 ancestry matched controls with replication of top signals in an additional independent 1000 cases and 1000 controls, comprising the largest proposed genetic study of stuttering to date and aimed at the identification of genes and transmission models responsible for the disorder.
Role: Principal Investigator
2009 Outstanding Teaching Award, List of Teachers Ranked As Excellent By Their Students, University of Illinois at Urbana- Champaign (Fall 2009, SHS 410)
2009 Outstanding Teaching Award, List of Teachers Ranked As Excellent By Their Students, University of Illinois at Urbana- Champaign (Fall 2009, SHS 577)
2010 Excellent Teaching Award, List of Teachers Ranked As Excellent By Their Students, University of Illinois at Urbana Champaign (Spring 2010, SHS 593)
2013 Manuel Garcia Award
International Association of Logopedics and Phoniatrics
2015 Outstanding Professor of the Year, Department of Communication Sciences and Disorders, Wayne State University
Belyk, M., Kraft, S. J., & Brown, S. (2015). Stuttering as a trait or state: An ALE meta-analysis of neuroimaging studies. European Journal of Neuroscience, 41(2), 275-284).
Kraft, S. J. & DeThorne, L. S. (2014). The brave new world of epigenetics: embracing complexity in the study of speech and language disorders. Current Developmental Disorders, 1, 207-214.
Belyk, M., Kraft, S. J. & Brown, S. (2014). PlexinA polymorphisms mediate the developmental trajectory of human corpus callosum microstructure. (2014). Journal of Human Genetics, (in press).
Kraft, S. J., & Yairi, E. (2012). Genetic basis of stuttering: The state of the art. Folia Phoniatrica, 64(1), 33-46.
Choo, A., Kraft, S. J., Olivero, W., Ambrose, N. G., Sharma, H., Chang, S., & Loucks, T. (2011). Corpus callosum differences associated with persistent stuttering in adults. Journal of Communication Disorders, 44(4), 470-477.
Loucks, T., Kraft, S. J., Choo, A., Sharma, H., & Ambrose, N. G. (2011). Functional brain activation differences in stuttering identified with a rapid fMRI sequence. Journal of Fluency Disorders, 36(4), 253-254.
Kraft, S. J., Ambrose, N., & Chon, H. C. (2014).Temperament and environmental contribution to stuttering severity in children: The role of effortful control. Seminars in Speech and Language, 80-87.
Loucks, T. M., Chon, H. C., Kraft, S. J., Amrbose, N. (2013). Individual differences in auditory motor integration revealed by speech fluency manipulations. Acousical Society of America, 133(5), 3518-3518.
Chon, H., Kraft, S. J., Ambrose, N. G., & Loucks, T. M. J. (2013). Individual variability in delayed auditory feedback (DAF) effects on speech fluency and rate in normally fluent adults. Journal of Speech, Language, and Hearing Research. 1, 3518-3522.
Kraft, S. J. (2013). Molecular Windows into Motor Speech Disorders. In P. van Leishout, B. Maassen, & H. Terband (Eds.), Speech Motor Control (pp. 1-23), ASHA ScholarOne Publishing.
SLP 7640 Language Disorders: School-Age
SLP 7620 Voice Disorders
AUD 7540 Auditory Genetics
SLP 7991 Directed Study: PhD, Stuttering
Wayne State University
SLP 7600 Phonological Disorders
SLP 8390 Seminars in Speech-Language Pathology
University of Illinois, Urbana-Champaign
SHS 410 Fluency Disorders
SHS 593 Applied Stuttering Treatment
SHS 577 Clinical Methods
Other qualifications directly relevant to courses taught
2003 - Member, American Speech-Language & Hearing Association
2003 - Member, International Stuttering Association
2004 - Member, International Fluency Association
2010 - Member, Michigan Speech-Language & Hearing Association
2010 Research Board, Academic Center for Excellence in Autism, University of Chicago
2011 Panel Expert, Oxford World Disfluency Conference
2012 - Associate Editor, Perspective of Fluency and Fluency Disorders
2016 - Treasurer, International Fluency Association