Developmental language disorder and its neural basis with Dorothy Bishop
Apr 4, 2024
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Emeritus Professor of Developmental Neuropsychology at the University of Oxford, Dorothy Bishop, discusses developmental language disorders, specialized schools, and defining DLD through consensus. They explore using Doppler for language lateralization and fighting fraud in scientific research, emphasizing the importance of promoting diverse work in neuroscience.
Distinguishing Developmental Language Disorder from dyslexia emphasizes tailored support for affected children.
Identifying and supporting language needs early in children with DLD prevents educational and career setbacks.
Incorporating Doppler in stroke patient assessment enhances understanding of language lateralization patterns.
Deep dives
Language Neuroscience Research and Upcoming Conference in Australia
The episode introduces the Language Neuroscience podcast hosted by an aphasia researcher from the University of Queensland, detailing plans for upcoming episodes with esteemed guests. Additionally, a mention of the SNL conference coming to Australia underscores an invitation for listeners to attend and enjoy Brisbane's attractions.
Career Evolution in Neuropsychology and Research Interests
Emeritus Professor Dorothy Bishop from the University of Oxford shares insights into her career journey, shifting from physiology and philosophy to psychology due to a growing interest in biology and human differences. She discusses how chance events led her to focus on neuropsychology, particularly language disorders in children.
Defining Developmental Language Disorder
Discussions center around the term 'Developmental Language Disorder' (DLD) as Dorothy Bishop moderates a consensus process to establish a common terminology for children with language impairments. The focus lies on distinguishing DLD from other conditions like dyslexia, emphasizing the need for a term that signifies the necessity for specialized support.
Insights on Long-Term Outcomes for Individuals with DLD
Longitudinal studies conducted by Dorothy Bishop reveal that children with Developmental Language Disorder typically grow into lower-end language users as they age. While these individuals may not stand out socially, their educational and career paths can be impacted, underscoring the importance of identifying and supporting their language needs early on.
Implications of using Doppler in stroke patients
The discussion centers on the potential benefits of incorporating Doppler in the assessment of stroke patients, particularly for lateralization analysis. By utilizing Doppler, researchers aim to increase the sampling rate of stroke patients, which can provide valuable insights into blood flow patterns and their impact on cognitive functions, including language processing. The comparison between Doppler and fMRI signals highlights the relevance of hemodynamic measurements in understanding lateralization patterns, suggesting a promising approach for enhancing research methods and data interpretation in neurology.
Challenges and concerns regarding reproducibility and fraud in science
The conversation delves into the prevalent issues of reproducibility, fraud, and misconduct in scientific research, emphasizing factors like publication bias, small sample sizes, p-hacking, and hypothesizing after results. The concern shifts towards the rising trend of fraudulent practices, facilitated by paper mills and orchestrated deception in scientific publications. The podcast underscores the critical need for enhanced measures against fraud, such as open science practices and open peer review, to mitigate the escalating problem of fraudulent papers infiltrating academic literature and compromising research integrity.
In this episode, I talk with Dorothy Bishop, Emeritus Professor of Developmental Neuropsychology at the University of Oxford, about her work on developmental langauge disorder and its neural basis.
Bishop DVM. Comprehension in developmental language disorders. Dev Med Child Neurol. 1979;21:225-38. [doi]
Bishop DVM, Snowling MJ, Thompson PA, Greenhalgh T, CATALISE consortium. CATALISE: A multinational and multidisciplinary Delphi consensus study: Identifying language impairments in children. PLoS One. 2016;11:e0158753. [doi]
Bishop DVM, Snowling MJ, Thompson PA, Greenhalgh T, CATALISE‐2 consortium. Phase 2 of CATALISE: a multinational and multidisciplinary Delphi consensus study of problems with language development: Terminology. J Child Psychol Psychiatry. 2017;58:1068-80. [doi]
Wilson AC, Bishop DVM. Resounding failure to replicate links between developmental language disorder and cerebral lateralisation. PeerJ. 2018;6:e4217. [doi]
Bishop D. Rein in the four horsemen of irreproducibility. Nature. 2019;568:435. [doi]
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