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Ryoichiro Iwanaga

Biographic Data

ID5678497
NAMERyoichiro Iwanaga
GIVEN NAMESRyoichiro
FAMILY NAMEIwanaga
SIGNATUREIWANAGA R
AFFILIATIONSNagasaki University
ORCID0000-0001-6151-8768
VERIFIEDYes
TOTAL WORKS6
TOTAL CITATIONS0
WORKS AS AUTHOR6
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2016
LATEST PUBLICATION YEAR2025
H-INDEX0
  • Acoustic features of emotional expression in 5-year-old children with autism spectrum disorder

    Open Access•Daichi Okuizumi, Kazunori Terada et al.•ARTICLE•Frontiers in Psychiatry•2025

    By focusing on the relationship between acoustic features and emotional expression setting and by restricting the age of participants, our results demonstrate the trend of acoustic features in children with ASD. To deepen the understanding of the relationship between f0 and emotion, future studies investigating prosody in a range of emotional expression settings are needed

  • Physiological mechanisms of social odor perception and their implications for Autism Spectrum Disorders

    Open Access•Wataru Tarumi, Ryoichiro Iwanaga et al.•ARTICLE•Acta Psychologica•2025•References: 1

  • Participation as a Predictor of Quality of Life among Japanese Children with Neurodevelopmental Disorders Analyzed Using a Machine Learning Algorithm

    Open Access•Hiroyasu Shiozu, Daisuke Kimura et al.•ARTICLE•Children•2024

    Participation is important for children's quality of life (QOL). This study aimed to identify participation factors that influence QOL among Japanese children with neurodevelopmental disorders. Ninety-two Japanese parents of children with neurodevelopmental disorders participated in this study. The parents completed the parent version of the Kid- and Kiddo-KINDL health-related QOL questionnaire and the Participation and Environment Measure for Ch…

  • Participation Strategies of Parents of Children with Neurodevelopmental Disorders

    Open Access•Hiroyasu Shiozu, Daisuke Kimura et al.•ARTICLE•Children•2024

    Strategies are critical to promote child participation in important life activities. This study analyzed the participation strategies of the parents of children with neurodevelopmental disorders. Ninety-two Japanese elementary children with neurodevelopmental disorders and their parents were recruited. The parents completed the Participation and Environment Measure for Children and Youth (PEM-CY) questionnaire. Strategy text data obtained from th…

  • Machine learning’s effectiveness in evaluating movement in one-legged standing test for predicting high autistic trait

    Open Access•Yoshimasa Ohmoto, Kazunori Terada et al.•ARTICLE•Frontiers in Psychiatry•2024

    Results indicate the effectiveness of evaluating movement in OLST by using movies and machine learning for predicting high autistic trait. In addition, they emphasize the significance of specifically focusing on shoulder and waist movements, which facilitate the efficient predicting high autistic trait. Finally, studies incorporating a broader range of balance cues are necessary to comprehensively determine the effectiveness of utilizing balance …

  • Association of Aryl Hydrocarbon Receptor-Related Gene Variants with the Severity of Autism Spectrum Disorders

    Open Access•Takashi X Fujisawa, Shota Nishitani et al.•ARTICLE•Frontiers in Psychiatry•2016

    Exposure to environmental chemicals, such as dioxin, is known to have adverse effects on the homeostasis of gonadal steroids, thereby potentially altering the sexual differentiation of the brain to express autistic traits. Dioxin-like chemicals act on the aryl hydrocarbon receptor (AhR), polymorphisms, and mutations of AhR -related gene may exert pathological influences on sexual differentiation of the brain, causing autistic traits. To ascertain…

No prominent works on this page.

  • Association of Aryl Hydrocarbon Receptor-Related Gene Variants with the Severity of Autism Spectrum Disorders

    Open Access•Takashi X Fujisawa, Shota Nishitani et al.•ARTICLE•Frontiers in Psychiatry•2016

    Exposure to environmental chemicals, such as dioxin, is known to have adverse effects on the homeostasis of gonadal steroids, thereby potentially altering the sexual differentiation of the brain to express autistic traits. Dioxin-like chemicals act on the aryl hydrocarbon receptor (AhR), polymorphisms, and mutations of AhR -related gene may exert pathological influences on sexual differentiation of the brain, causing autistic traits. To ascertain…

  • Participation as a Predictor of Quality of Life among Japanese Children with Neurodevelopmental Disorders Analyzed Using a Machine Learning Algorithm

    Open Access•Hiroyasu Shiozu, Daisuke Kimura et al.•ARTICLE•Children•2024

    Participation is important for children's quality of life (QOL). This study aimed to identify participation factors that influence QOL among Japanese children with neurodevelopmental disorders. Ninety-two Japanese parents of children with neurodevelopmental disorders participated in this study. The parents completed the parent version of the Kid- and Kiddo-KINDL health-related QOL questionnaire and the Participation and Environment Measure for Ch…

  • Participation Strategies of Parents of Children with Neurodevelopmental Disorders

    Open Access•Hiroyasu Shiozu, Daisuke Kimura et al.•ARTICLE•Children•2024

    Strategies are critical to promote child participation in important life activities. This study analyzed the participation strategies of the parents of children with neurodevelopmental disorders. Ninety-two Japanese elementary children with neurodevelopmental disorders and their parents were recruited. The parents completed the Participation and Environment Measure for Children and Youth (PEM-CY) questionnaire. Strategy text data obtained from th…

  • Machine learning’s effectiveness in evaluating movement in one-legged standing test for predicting high autistic trait

    Open Access•Yoshimasa Ohmoto, Kazunori Terada et al.•ARTICLE•Frontiers in Psychiatry•2024

    Results indicate the effectiveness of evaluating movement in OLST by using movies and machine learning for predicting high autistic trait. In addition, they emphasize the significance of specifically focusing on shoulder and waist movements, which facilitate the efficient predicting high autistic trait. Finally, studies incorporating a broader range of balance cues are necessary to comprehensively determine the effectiveness of utilizing balance …

  • Acoustic features of emotional expression in 5-year-old children with autism spectrum disorder

    Open Access•Daichi Okuizumi, Kazunori Terada et al.•ARTICLE•Frontiers in Psychiatry•2025

    By focusing on the relationship between acoustic features and emotional expression setting and by restricting the age of participants, our results demonstrate the trend of acoustic features in children with ASD. To deepen the understanding of the relationship between f0 and emotion, future studies investigating prosody in a range of emotional expression settings are needed

  • Physiological mechanisms of social odor perception and their implications for Autism Spectrum Disorders

    Open Access•Wataru Tarumi, Ryoichiro Iwanaga et al.•ARTICLE•Acta Psychologica•2025•References: 1

Psychology (4 works) · Autism (3 works) · Autism spectrum disorder (3 works) · Autism Spectrum Disorder Research (3 works) · Cerebral Palsy and Movement Disorders (3 works) · Computer Science (3 works) · Developmental psychology (3 works) · Artificial Intelligence (2 works) · Clinical Psychology (2 works) · Clinical Psychology (2 works)

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