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- Dahlgren, Sven-Olof, 1956, et al.
(författare)
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Prosodic traits in speech produced by children with autism spectrum disorders – Perceptual and acoustic measurements
- 2018
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Ingår i: Autism & Developmental Language Impairments. - : SAGE Publications. - 2396-9415. ; 3, s. 1-10
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Tidskriftsartikel (refereegranskat)abstract
- Background: Autism spectrum disorder has been associated with atypical voice characteristics and prosody. In the scientific literature, four different aspects of atypical speech production in autism spectrum disorder have been highlighted; voice quality together with the prosodic aspects pitch, duration and intensity. Studies of prosody in autism spectrum disorder have almost exclusively used perceptual methods. Recently, some studies have used acoustic analyses. In these studies, it has been pointed out that the acoustic differences found are not necessarily perceived as atypical by listeners, which is why it is important to let listeners evaluate perceptual correlates to acoustic findings. The aims of this study were to use both perceptual and acoustic analyses to study prosodic production in children with autism spectrum disorder and to examine if voice and speech characteristics could be used as clinical markers for autism spectrum disorder. Method: Eleven children within normal range of intelligence diagnosed with autism spectrum disorder and 11 children with typical development participated. Every child was recorded telling a story elicited with the expression, reception and recall of narrative instrument. Excerpts of one minute were extracted from the audio files creating the material underlying the perceptual ratings and in the acoustic analysis. An evaluation procedure, partly based on a standardized voice evaluation procedure developed for clinical practice in Sweden, was designed for the perceptual judgments and analysis. To capture critical prosodic variables, aspects of prosody based on characteristic features of Swedish prosody, prosodic features known to cause Swedish children with language impairment particular problems and current research of prosodic impairments in children with autism, were used as rating variables. The acoustic analysis was based on the four variables fundamental frequency (fo) average, fo range, fo variation and speech rate, together with the language production-related variable number of words per utterance. Results: In the acoustic analysis, no differences were found with regards to fo-related variables or speech rate. However, the children in the autism spectrum disorder-group produced significantly more words per utterance than the typically developing children. The perceptual analysis showed no differences between the groups. Only three children with autism spectrum disorder were correctly identified as such. The narrative ability of these children, according to scores on the narrative assessment profile, was poorer than that of the other eight children. They were also more atypical in fluency and in speech rate. Given the small sample, the results should be interpreted with caution. Conclusions and implications: The only difference in prosodic production discovered in the acoustic analysis, namely that children with autism spectrum disorder used more words per utterance than the children in the comparison group, was not detected in the perceptual assessment. This implies that it was not perceived as atypical by expert listeners. The results indicate difficulties in using voice and speech characteristics as markers of autism spectrum disorder in clinical settings. The correct identification of some of the children as having autism spectrum disorder or not also indicates that some children with autism spectrum disorder have a prosodic production sufficiently ‘atypical’ in combination with a limited ability to tell stories to be perceived.
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| 3. |
- Petersson Bloom, Linda, et al.
(författare)
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Strategies in supporting inclusive education for autistic students : A systematic review of qualitative research results
- 2022
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Ingår i: Autism & Developmental Language Impairments. - : Sage Publications. - 2396-9415. ; 7
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Forskningsöversikt (refereegranskat)abstract
- Background and Aim: Strategies to modify and adjust the educational setting in mainstream education for autistic students are under-researched. Hence, this review aims to identify qualitative research results of adaptation and modification strategies to support inclusive education for autistic students at school and classroom levels. Method: In this systematic review, four databases were searched. Following the preferred PRISMA approach, 108 studies met the inclusion criteria, and study characteristics were reported. Synthesis of key findings from included studies was conducted to provide a more comprehensive and holistic understanding. Main Contribution: This article provides insights into a complex area via aggregating findings from qualitative research a comprehensive understanding of the phenomena is presented. The results of the qualitative analysis indicate a focus on teachers' attitudes and students' social skills in research. Only 16 studies were at the classroom level, 89 were at the school level, and three studies were not categorized at either classroom or school level. A research gap was identified regarding studies focusing on the perspectives of autistic students, environmental adaptations to meet the students' sensitivity difficulties, and how to enhance the students' inclusion regarding content taught and knowledge development from a didactic perspective. Conclusions and Implications: Professional development that includes autism-specific understanding and strategies for adjusting and modifying to accommodate autistic students is essential. This conclusion may direct school leaders when implementing professional development programs. A special didactical perspective is needed to support teachers' understanding of challenges in instruction that autistic students may encounter.
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| 4. |
- Webster, A. A., et al.
(författare)
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What does success mean for autistic men? A narrative exploration of self-determination
- 2020
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Ingår i: Autism and Developmental Language Impairments. - : SAGE Publications. - 2396-9415. ; 5
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Tidskriftsartikel (refereegranskat)abstract
- Background: Studies involving autistic adults have often focused on negative outcomes and quality of life ratings. Aims: This study provides a different viewpoint by examining the perspectives of autistic men who consider themselves to be successful. Methods: Data were gathered from 10 men who shared their experiences and perceptions regarding their journey to achieve success. Self-determination theory provided a useful lens for examining the men’s narratives and understanding the factors that led to their success. Results: Analysis of interviews revealed four main themes: (1) being my own self, (2) a competent professional, (3) solving problems in a neurotypical world, and (4) relating and connecting. These themes reflect the men’s perception of their own self-determination including their autonomy, competence, and relatedness with others. Conclusions: The men’s sense of success was derived from their ability to achieve competence in their work, act without help or influence from others and demonstrate a high level of self-awareness and self-reflection. Despite this, many continued to experience difficulty in the social areas of their lives. Implications: These findings suggest that self-determination theory may present an alternative and more positive means of enacting support programs for autistic individuals, and males in particular. © The Author(s) 2020.
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