Purpose: The purpose of this article is to describe a grassroots project to develop an augmentative and alternative communication (AAC) system for a child who is learning to speak the Native American Lakota language. The project began as a part of a homeschool curriculum to address the foreign language requirement during the COVID-19 pandemic.
Conclusions: Initially, the mother of the child, who is enrolled in the Oglala Sioux Tribe of South Dakota, located a list of the 1,000 most frequently used words in Lakota and a Level 1 textbook and began programming vocabulary by word class in her child's electronic speech-generating AAC system (i.e., the CoughDrop app on an iPad). The programming has grown to include more than 1,600 vocabulary items, and the work continues. A need for symbols that are culturally and linguistically appropriate soon surfaced. Following that, the lack of a synthesized voice that accurately captures the prosody of spoken Lakota became apparent. The development of both has been added to project goals. Eventually, the goal is to have an AAC system that may be used for other speakers of Lakota and, potentially, programming protocols that will lead to the development of similar systems for other Indigenous languages.
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http://dx.doi.org/10.1044/2022_LSHSS-22-00113 | DOI Listing |
PLoS Biol
January 2025
Department of Cell and Systems Biology, University of Toronto, Toronto, Canada.
Successful resolution of approach-avoidance conflict (AAC) is fundamentally important for survival, and its dysregulation is a hallmark of many neuropsychiatric disorders, and yet the underlying neural circuit mechanisms are not well elucidated. Converging human and animal research has implicated the anterior/ventral hippocampus (vHPC) as a key node in arbitrating AAC in a region-specific manner. In this study, we sought to target the vHPC CA1 projection pathway to the nucleus accumbens (NAc) to delineate its contribution to AAC decision-making, particularly in the arbitration of learned reward and punishment signals, as well as innate signals.
View Article and Find Full Text PDFJ Infect Dev Ctries
December 2024
Instituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Departamento de Diagnóstico Epidemiológico. Cuernavaca, Morelos, México.
Introduction: Escherichia coli has emerged as an important pathogen in urinary tract infections (UTIs) due to the rapid acquisition of antibiotic resistance genes. This enhances the ability of E. coli to colonize and creates therapeutic challenges within the healthcare system.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China.
Background: Abdominal aortic calcification (AAC) is a prevalent form of vascular calcification associated with adverse cardiovascular outcomes. While previous studies on AAC and cardiovascular risk exist, many have limitations such as small sample sizes and limited clinical significance outcomes. This study aims to prospectively investigate the association between AAC and all-cause and cardiovascular disease (CVD)-specific mortality rates in a nationally representative sample of adults in the United States, using data from the National Health and Nutrition Examination Survey (NHANES).
View Article and Find Full Text PDFBackground: The transmission of Salmonella spp. to human through the consumption of contaminated food products of animal origin, mainly poultry is a significant global public health concern. The emerging multidrug resistant (MDR) clones of non-typhoidal Salmonella (NTS) serovars, have spread rapidly worldwide both in humans and in the food chain.
View Article and Find Full Text PDFInt J Lang Commun Disord
January 2025
Division of Communication Sciences and Disorders, University of Cape Town, Rondebosch, South Africa.
Background: There is a global need for synthetic speech development in multiple languages and dialects, as many children who cannot communicate using their natural voice struggle to find synthetic voices on high-technology devices that match their age, social and linguistic background.
Aims: To document multiple stakeholders' perspectives surrounding the quality, acceptability and utility of newly created synthetic speech in three under-resourced South African languages, namely South African English, Afrikaans and isiXhosa.
Methods & Procedures: A mixed methods research design was selected.
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