Category: Research

Dr. Christine Dollaghan is the lead author in one of the first meta-analysis studies to examine the accuracy of tests currently being used to diagnose language impairments in the large and growing number of bilingual Spanish-English children in the U.S. The study, currently in press, can be accessed online in the Journal of Speech, Language, and Hearing…

Dr. Noah Sasson, an assistant professor in the School of Brain and Behavioral Sciences, is the lead author of an article detailing the benefits of comparing autism and schizophrenia for revealing mechanisms of social cognitive impairment. The article, published in the June print edition of the Journal of Neurodevelopmental Disorders, argues that direct comparison of social cognitive…

Dr. William Katz, a professor in the School of Behavioral and Brain Sciences, is the lead author in a study on foreign accent syndrome (FAS), a rare disorder characterized by the emergence of a perceived foreign accent following brain damage. In this case study, researchers obtained functional magnetic resonance images (fMRI) of the brain during a…

Dr. Mandy Maguire has an article slated for publication in the journal Brain and Cognition which provides a clearer understanding of how response inhibition develops in children. Maguire, an assistant professor in the School of Behavioral and Brain Sciences, investigates child development. She is interested in how the inhibitory process differs as tasks become more difficult because inhibition…

Dr. Christine Dollaghan, a professor at the Callier Center for Communication Disorders and UT Dallas’ School of Behavioral and Brain Sciences, has contributed to two recent articles related to evaluating children’s language impairment. She is sole author of a paper that appeared in the October edition of the Journal of Speech, Language, and Hearing Research. For that…

Dr. Raúl Rojas, assistant professor at the Callier Center for Communication Disorders and UT Dallas’ School of Behavioral and Brain Sciences, has contributed an article to the journal Child Development, which examines the language growth of children who speak Spanish and are learning English. Rojas co-authored the study with Dr. Aquiles Iglesias of Temple University. The…

Dr. Christine Dollaghan, a professor in the Callier Center and the School of Behavioral and Brain Sciences, is co-author of an article on noun bias in bilingual children in the Journal of Child Language.   Most previous research about cross-language variation in noun bias – or the tendency to favor nouns in early language development – came…

Dr. Thomas Campbell, executive director of the Callier Center and Sara T. Martineau Professor in Communication Disorders, and Dr. Christine Dollaghan, a professor at Callier, are lead authors of an article examining the effects of traumatic brain injury in the Journal of Speech, Language, and Hearing Research. Using the percentage of consonants correct-revised (PCC-R) metric, the researchers evaluated…

Jana Mueller, a doctoral student and Callier research assistant, and Dr. Christine Dollaghan (pictured), a professor at the Callier Center and the School of Behavioral and Brain Sciences (BBS), are authors of an article in the Journal of Speech, Language, and Hearing Researchreviewing the accuracy of assessments for identifying executive function (EF) impairment in adults following acquired…

Dr. Andrea Warner-Czyz, an assistant professor at the Callier Center for Communication Disorders in the School of Behavioral and Brain Sciences, recently wrote an article in the Journal of the Acoustical Society of America that found infants hear speech differently than adults.  Two to three children out of 1,000 are born deaf, but cochlear implants, a technology…