| Computer-based assessments of expected satiety predict behavioural measures of portion-size selection and food intake. | |
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MedLine Citation:
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PMID: 22989621 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Previously, expected satiety (ES) has been measured using software and two-dimensional pictures presented on a computer screen. In this context, ES is an excellent predictor of self-selected portions, when quantified using similar images and similar software. In the present study we sought to establish the veracity of ES as a predictor of behaviours associated with real foods. Participants (N = 30) used computer software to assess their ES and ideal portion of three familiar foods. A real bowl of one food (pasta and sauce) was then presented and participants self-selected an ideal portion size. They then consumed the portion ad libitum. Additional measures of appetite, expected and actual liking, novelty, and reward, were also taken. Importantly, our screen-based measures of expected satiety and ideal portion size were both significantly related to intake (p < .05). By contrast, measures of liking were relatively poor predictors (p > .05). In addition, consistent with previous studies, the majority (90%) of participants engaged in plate cleaning. Of these, 29.6% consumed more when prompted by the experimenter. Together, these findings further validate the use of screen-based measures to explore determinants of portion-size selection and energy intake in humans. |
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Authors:
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Laura L Wilkinson; Elanor C Hinton; Stephanie H Fay; Danielle Ferriday; Peter J Rogers; Jeffrey M Brunstrom |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-9-15 |
Journal Detail:
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Title: Appetite Volume: - ISSN: 1095-8304 ISO Abbreviation: Appetite Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-9-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8006808 Medline TA: Appetite Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012. Published by Elsevier Ltd. |
Affiliation:
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Nutrition and Behaviour Unit, School of Experimental Psychology, University of Bristol, 12a Priory Road, Bristol, BS8 1TU, UK. Electronic address: Laura.Wilkinson@bristol.ac.uk. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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