Stuttering is characterized by involuntary syllabic repetitions and interruption in the smooth flow of speech. The exact cause of primary stuttering remains a matter of debate but a frontal dysfunction has been evoked. On the other hand, acquired stuttering is uncommon. We report a case of reflex epilepsy in which seizures were triggered by reading aloud or stressful conversation. Each paroxysmal event in left frontal region was associated clinically with a language disorder mimicking stuttering. Our observation suggests that reflex frontal focal epilepsy could be a putative etiology for acquired stuttering.
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J Fluency Disord
January 2025
Human Neurophysiology and Neuromodulation Laboratory, Department of Communication Science and Disorders, Louisiana State University, Baton Roug, LA, USA.
Non-invasive neuromodulation methods such as transcranial Direct Current Stimulation (tDCS) and Transcranial Magnetic Stimulation (TMS), have been extensively utilized to enhance treatment efficacy for various neurogenic communicative disorders. Recently, these methods have gained attention for their potential to reveal more about the underlying nature of stuttering and serve as adjunct therapeutic approaches for stuttering intervention. In this review, we present existing research and discuss critical factors that might influence the efficacy of these interventions, such as location, polarity, intensity, and duration of stimulation, as well as the impact of combined behavioral training.
View Article and Find Full Text PDFJ Fluency Disord
January 2025
School of Speech-Language Pathology and Audiology, Université de Montréal, Montreal, Quebec, Canada; Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal, Montreal, Quebec, Canada.
Purpose: Children who stutter (CWS) in clinical settings may present with concomitant disorders (CDs), which can complexify the delivery of the Lidcombe Program (LP). However, there is limited evidence on how CDs influence treatment outcomes in CWS, leaving clinicians with little guidance regarding best practices with these children. This exploratory study, conducted in partnership with a rehabilitation center's clinical team, aims to understand which CDs and suspected CDs speech-language pathologists document when treating CWS with the LP and their relationship to treatment characteristics and outcomes.
View Article and Find Full Text PDFCodas
January 2025
Department of Speech and Hearing, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India.
Purpose: Investigations on identifying the nature of stuttering present varying views. The argument remains whether the stuttering dysfluencies have a motor or a linguistic foundation. Though stuttering is considered a speech-motor disorder, linguistic factors are increasingly reported to play a role in stuttering.
View Article and Find Full Text PDFAppl Neuropsychol Child
January 2025
National Research Center, Giza, Egypt.
Unlabelled: Stuttering is a speech disorder disrupting fluency with implications that could affect psychological, educational, social, and occupational aspects of life. Cognitive functions include mental processes that allows for execution of goal-directed responses in different situations. They are usually referred to as executive functions (EF) which consists of three main components, working memory, cognitive flexibility, and inhibitory control.
View Article and Find Full Text PDFBiomedicines
January 2025
Department of Anatomy & Cell Biology, Oklahoma State University Center for Health Sciences, Tulsa, OK 74107, USA.
Speech disorders encompass a complex interplay of neuroanatomical, genetic, and environmental factors affecting individuals' communication ability. This review synthesizes current insights into the neuroanatomy, genetic underpinnings, and environmental influences contributing to speech disorders. Neuroanatomical structures, such as Broca's area, Wernicke's area, the arcuate fasciculus, and basal ganglia, along with their connectivity, play critical roles in speech production, comprehension, and motor coordination.
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