Taste-Elicited Activity in Facial Muscle Regions in 5-8-Week-Old Infants

Chemical Senses
Jessica E ArmstrongAnthony L Jinks

Abstract

The state of development of the sense of taste in humans during the first few months of life is only partially understood. Since taste plays a critical role in the feeding and nutrition of infants a better understanding of taste development during early life is required. Currently, information about the sense of taste in pre-verbal infants is obtained by analysis of videotaped facial expressions using the Baby FACS coding system. A potentially more objective faster procedure for assessing facial expressions not investigated in infants is electromyography (EMG). The method has been successfully used to study taste-elicited responses in the mid-face muscle regions of the levator labii and zygomaticus major of 6-9-year-olds and in a range of facial muscle regions in adults. Accordingly, this study aimed to investigate taste in young infants using EMG to 1) measure activity simultaneously in 4 facial muscle regions in response to 3 common tastants and 2) determine whether the activities of one or more muscle regions is needed to provide evidence of perception of a tastant by an infant. The results indicated that multiple facial muscle regions responded simultaneously but differentially to non-sweet and sweet tastants and recordings...Continue Reading

References

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May 19, 2007·Chemical Senses·Jessica E ArmstrongAnthony L Jinks
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Jun 10, 2009·The British Journal of Nutrition·Camille SchwartzSophie Nicklaus
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Citations

Jun 18, 2020·Foods·Víctor M Álvarez-PatoRamiro Velázquez

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