Understanding of Intentions from Affective Speech

DOI 13 References
  • Imaizumi Satoshi
    Department of Communication Sciences and Disorders, Prefectural University of Hiroshima.
  • Kinoshita Eri
    Department of Communication Sciences and Disorders, Prefectural University of Hiroshima.
  • Yamasaki Kazuko
    Department of Communication Sciences and Disorders, Prefectural University of Hiroshima.

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  • 感情に関わる発話意図の理解機能

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Abstract

  The ability to understand speakers' intentions from affective speech was investigated for three groups; autistic children, children with learning disability or Attention Deficit/Hyperactivity Disorder, and normally-developing children. Ten short phrases were prepared so that half of them literally mean admiring and the others blaming. These phrases were uttered in two contrasting affective manners, that is, congruent versus incongruent manners with the literal meanings, by a woman speaker. Twenty spoken phrases in total were used to test the ability to understand speakers’ intentions. The normally-developing children showed high understanding scores, except 6-year-old children who showed a significantly lower score for the incongruent phrases than the congruent ones. The autistic children showed significantly lower understanding score for the incongruent phrases than the other groups of children. The autistic children who could not pass the theory-of-mind task showed significantly lower score compared to those who passed. These results suggest that understanding speakers’ intentions from the incongruent phrases requires the mentalizing ability or the theory-of-mind, the development of which seems be delayed in autistic children.

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