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“What time is my next meal?” delay-discounting individuals choose smaller portions under conditions of uncertainty

Zimmerman, Annie R ; Ferriday, Danielle ; Davies, Sarah R ; Martin, Ashley A ; Rogers, Peter J ; Mason, Alice ; Brunstrom, Jeffrey M

Appetite, 01 September 2017, Vol.116, pp.284-290 [Tạp chí có phản biện]

ISSN: 0195-6663 ; E-ISSN: 1095-8304 ; DOI: 10.1016/j.appet.2017.05.019

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  • Nhan đề:
    “What time is my next meal?” delay-discounting individuals choose smaller portions under conditions of uncertainty
  • Tác giả: Zimmerman, Annie R ; Ferriday, Danielle ; Davies, Sarah R ; Martin, Ashley A ; Rogers, Peter J ; Mason, Alice ; Brunstrom, Jeffrey M
  • Chủ đề: Chaotic Eating ; Impulsivity ; Delay Discounting ; Meal Planning ; Portion Size ; Anatomy & Physiology ; Diet & Clinical Nutrition
  • Là 1 phần của: Appetite, 01 September 2017, Vol.116, pp.284-290
  • Mô tả: ‘Dietary’ delay discounting is typically framed as a trade-off between immediate rewards and long-term health concerns. Our contention is that prospective thinking also occurs over shorter periods, and is engaged to select portion sizes based on the interval between meals (inter-meal interval; IMI). We sought to assess the extent to which the length of an IMI influences portion-size selection. We predicted that delay discounters would show ‘IMI insensitivity’ (relative lack of concern about hunger or fullness between meals). In particular, we were interested in participants' sensitivity to an uncertain IMI. We hypothesized that when meal times were uncertain, delay discounters would be less responsive and select smaller portion sizes. Participants (  = 90) selected portion sizes for lunch. In different trials, they were told to expect dinner at 5pm, 9pm, and either 5pm or 9pm (uncertain IMI). Individual differences in future-orientation were measured using a...
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0195-6663 ; E-ISSN: 1095-8304 ; DOI: 10.1016/j.appet.2017.05.019

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