The elucidation of odour awareness in children with autism spectrum disorders (ASD) is important. We compared the odour awareness of young children with ASD with those of typical development (TD) children using the Children’s Olfactory Behavior in Everyday Life (COBEL) questionnaire, which is a self-report measure that mainly assesses odour awareness. Forty-five young boys (aged 5–6 years), including 20 children with ASD and 25 TD children, participated in this study. The total COBEL score of the young children with ASD was lower than that of the TD children (p < 0.01). Moreover, the total COBEL score was significantly correlated with the total VABS II score (p < 0.05). Our results improve understanding of the odour awareness in children with ASD.
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We have no financial relationships to disclose. The authors gratefully acknowledge the contribution of the participants.
Funding was provided by Grants-in-Aid for Scientific Research from the Japan Society for the Promotion of Science (Grant No. 15K21031), the ERATO Touhara Chemosensory Signal Project and the Center of Innovation Program from the Japan Science and Technology Agency, JST, Japan.
Conflict of interest
All the authors declares that they have no conflict of interest.
All procedures involving human participants were conducted in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
Participants were recruited from Kanazawa University. After a complete explanation of the study, all the participants and their parents provided written, informed consent. All participants and their parents agreed to participate in the study.
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Kumazaki, H., Okamoto, M., Yoshimura, Y. et al. Brief Report: Odour Awareness in Young Children with Autism Spectrum Disorders. J Autism Dev Disord 50, 1809–1815 (2020). https://doi.org/10.1007/s10803-018-3710-y
- Autism spectrum disorders
- Odour awareness
- VABS II