Habituation to the pleasure elicited by sweetness in lean and obese women

M. Yanina Pepino, Julie A. Mennella

Research output: Contribution to journalArticle

Abstract

In this study, we used a validated psychophysical tool, the hedonic general magnitude scale (hedonic gLMS), to examine whether hedonic responsivity after repetitive tasting of a sweet-tasting liquid follows a habituation pattern that is independent of adaptation to the sweet taste at the orosensory level, and whether the pattern of response is different between obese (N= 22) and lean (N= 32) women. The perceived sweet intensity and hedonic value of a 24% w/v sucrose solution was measured with the gLMS and sucrose preferences with the Monell two-series, forced-choice tracking method. Although women perceived the same intensity of sweetness across trials, obese women responded with a slower rate of habituation to the liking of repetitive sweet-taste orosensory stimulation than did lean women. Therefore, the decreased hedonic response observed in obese women cannot be explained by adaptation processes at the orosensory level or by differential perception of taste intensity or scale bias between the groups. The groups did not differ in the level of sweetness preferred. Because obesity was associated with slower patterns of habituation to the palatability elicited by sweetness in women, this characteristic could contribute to slower satiation rates, prolongation of eating episodes, and excessive food consumption in obese women.

Original languageEnglish (US)
Pages (from-to)800-805
Number of pages6
JournalAppetite
Volume58
Issue number3
DOIs
StatePublished - Jun 1 2012
Externally publishedYes

Fingerprint

Pleasure
Sucrose
Taste Perception
Satiation
Obesity
Eating
Food

Keywords

  • Food pleasure
  • Habituation
  • Hedonics
  • Obesity
  • Palatability
  • Sensory perception
  • Sweet taste

ASJC Scopus subject areas

  • Psychology(all)
  • Nutrition and Dietetics

Cite this

Habituation to the pleasure elicited by sweetness in lean and obese women. / Pepino, M. Yanina; Mennella, Julie A.

In: Appetite, Vol. 58, No. 3, 01.06.2012, p. 800-805.

Research output: Contribution to journalArticle

Pepino, M. Yanina ; Mennella, Julie A. / Habituation to the pleasure elicited by sweetness in lean and obese women. In: Appetite. 2012 ; Vol. 58, No. 3. pp. 800-805.
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