Brain oscillatory patterns of affective prosody perception in children with autism spectrum disorder |
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| Institution: | 1. Institute of Higher Nervous Activity and Neurophysiology of the Russian Academy of Sciences, 117485, Butlerova 5A, Moscow, Russian Federation;2. Pushkin State Russian Language Institute, 117485, Akademika Volgina st, 6, Moscow, Russian Federation;1. Department of Psychology and Neuroscience Program, Carleton College, Northfield, MN, United States;2. Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, UCLA, Los Angeles, CA, United States;3. Department of Psychology, UCLA, Los Angeles, CA, United States;4. Children’s Hospital Los Angeles, USC Keck School of Medicine;1. Department of Psychology, Goldsmiths, University of London, UK;2. Autism Research Centre, Department of Psychiatry, University of Cambridge, UK;1. Faculty of Psychology, Southwest University, Chongqing, China;2. Rehabilitation Center for Children with Autism Spectrum Disorders, Ninth People’s Hospital, Chongqing, China;3. Collaborative Innovation Center of Assessment for Basic Education Quality, Beijing Normal University, China;4. Key Laboratory of Cognition and Personality, Ministry of Education, China;1. The Ohio State University, USA;2. Nationwide Children’s Hospital, USA;3. The Ohio State University Wexner Medical Center, USA;4. Royal College of Physicians and Surgeons in Canada, Canada;1. Friedman School of Nutrition Science and Policy, Tufts University, 150 Harrison Ave., Boston, MA 02111, USA;2. Eunice Kennedy Shriver Center/University of Massachusetts Chan Medical School, 55 Lake Ave North, Worcester, MA 01655, USA;3. Department of Public Health and Community Medicine, Tufts University School of Medicine, 136 Harrison Ave., Boston, MA 02111, USA;4. Sargent College of Health and Rehabilitation Sciences, Department of Health Sciences, Boston University, 635 Commonwealth Avenue, Boston, MA 02215, USA;1. Department of Psychology, School of Education, Shanghai Normal University, Shanghai, China;2. Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China;3. Institute of Psychology and Behavioral Science, Shanghai Jiao Tong University, Shanghai, China |
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| Abstract: | BackgroundParalinguistic features, such as prosody (tempo, loudness, and timbre), are an essential marker of a speaker’s emotional state. Abnormal processing of emotional prosody may result in the deficient social behavior associated with autism spectrum disorder (ASD).MethodTwo groups of children participated in our study: the ASD group consisted of 30 preschoolers from 4 to 6 years of age and 24 typically developing (TD) peers. An electroencephalogram (EEG) was acquired in response to a combination of syllables uttered with the following types of emotional prosody: joy, anger, sadness, fear, and calmness.ResultsChildren with ASD and TD showed a similar EEG oscillatory response to fear and anger prosodies. Significant group differences in power spectral density (PSD) were detected for sad and joy intonations. The PSD differences between pairs of intonations, such as joyful and sad, sad and neutral, or joyful and neutral, were significantly higher in the control group than in the ASD group. EEG responses to affective prosody also demonstrated less hemispheric asymmetry in the ASD than in the TD group.ConclusionsOur results suggest that difficulties in emotional prosody recognition in autistic children could be based on the atypical processing of specific acoustic features coding differences between sad, neutral, and joyful intonations and could underlie emotional perception deficits in individuals with ASD. |
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| Keywords: | ASD Prosody Emotions EEG Pitch Loudness |
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