論文

2023年9月19日

Predicting Perceived Hedonic Ratings through Facial Expressions of Different Drinks

Foods
  • Yasuyo Matsufuji
  • ,
  • Kayoko Ueji
  • ,
  • Takashi Yamamoto

12
18
開始ページ
3490
終了ページ
3490
記述言語
掲載種別
研究論文(学術雑誌)
DOI
10.3390/foods12183490
出版者・発行元
MDPI AG

Previous studies have established the utility of facial expressions as an objective assessment approach for determining the hedonics (overall pleasure) of food and beverages. This study endeavors to validate the conclusions drawn from preceding research, illustrating that facial expressions prompted by tastants possess the capacity to forecast the perceived hedonic ratings of these tastants. Facial expressions of 29 female participants, aged 18–55 years, were captured using a digital camera during their consumption of diverse concentrations of solutions representative of five basic tastes. Employing the widely employed facial expression analysis application FaceReader, the facial expressions were meticulously assessed, identifying seven emotions (surprise, happiness, scare, neutral, disgust, sadness, and anger) characterized by scores ranging from 0 to 1—a numerical manifestation of emotional intensity. Simultaneously, participants rated the hedonics of each solution, utilizing a scale spanning from −5 (extremely unpleasant) to +5 (extremely pleasant). Employing a multiple linear regression analysis, a predictive model for perceived hedonic ratings was devised. The model’s efficacy was scrutinized by assessing emotion scores from 11 additional taste solutions, sampled from 20 other participants. The anticipated hedonic ratings demonstrated robust alignment and agreement with the observed ratings, underpinning the validity of earlier findings even when incorporating diverse software and taste stimuli across a varied participant base. We discuss some limitations and practical implications of our technique in predicting food and beverage hedonics using facial expressions.

リンク情報
DOI
https://doi.org/10.3390/foods12183490
URL
https://www.mdpi.com/2304-8158/12/18/3490/pdf
ID情報
  • DOI : 10.3390/foods12183490
  • eISSN : 2304-8158

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