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  1. Article ; Online: Think Yourself Slim? Assessing the Satiation Efficacy of Imagined Eating

    Andersen, Tjark / Byrne, Derek Victor / Wang, Qian Janice

    Foods. 2022 Dec. 22, v. 12, no. 1

    2022  

    Abstract: Ubiquitous exposure to visual food content has been implicated in the development of obesity with both individual and societal costs. The development and increasing adoption of Extended Reality (XR) experiences, which deliver an unprecedented immersion ... ...

    Abstract Ubiquitous exposure to visual food content has been implicated in the development of obesity with both individual and societal costs. The development and increasing adoption of Extended Reality (XR) experiences, which deliver an unprecedented immersion in digital content, would seem to carry the risk of further exacerbating the consequences of visual food exposure on real-world eating behavior. However, some studies have also identified potentially health-promoting effects of exposure to visual food stimuli. One example is repeated imagined consumption, which has been demonstrated to decrease subsequent food consumption. This work contains the first comparison between imagined eating and actual eating, to investigate how the simulated activity fares against its real counterpart in terms of inducing satiation. Three-hundred participants took part in an experiment at a local food festival. The participants were randomized between three experimental conditions: imagined eating, actual eating, and control. Each condition consisted of thirty trials. Before and after the experimental manipulation, the participants recorded their eating desires and enjoyment of a piece of chocolate candy. The resulting data showed generally no difference between the imagined eating and control conditions, which stands in conflict with the prior literature. In contrast, the differences between imagined and actual eating were significant. These results may be explained by differences in the experimental tasks’ dose–response relationships, as well as environmental-contextual disturbances. Overall, the findings do not corroborate the efficacy of imagined eating within a real-life context.
    Keywords candy ; chocolate ; dose response ; food consumption ; health promotion ; obesity ; risk ; satiety
    Language English
    Dates of publication 2022-1222
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article ; Online
    ZDB-ID 2704223-6
    ISSN 2304-8158
    ISSN 2304-8158
    DOI 10.3390/foods12010036
    Database NAL-Catalogue (AGRICOLA)

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  2. Article: How Digital Food Affects Our Analog Lives: The Impact of Food Photography on Healthy Eating Behavior.

    Andersen, Tjark / Byrne, Derek Victor / Wang, Qian Janice

    Frontiers in psychology

    2021  Volume 12, Page(s) 634261

    Abstract: Obesity continues to be a global issue. In recent years, researchers have started to question the role of our novel yet ubiquitous use of digital media in the development of obesity. With the recent COVID-19 outbreak affecting almost all aspects of ... ...

    Abstract Obesity continues to be a global issue. In recent years, researchers have started to question the role of our novel yet ubiquitous use of digital media in the development of obesity. With the recent COVID-19 outbreak affecting almost all aspects of society, many people have moved their social eating activities into the digital space, making the question as relevant as ever. The bombardment of appetizing food images and photography - colloquially referred to as "food porn" - has become a significant aspect of the digital food experience. This review presents an overview of whether and how the (1) viewing, (2) creating, and (3) online sharing of digital food photography can influence consumer eating behavior. Moreover, this review provides an outlook of future research opportunities, both to close the gaps in our scientific understanding of the physiological and psychological interaction between digital food photography and actual eating behavior, and, from a practical viewpoint, to optimize our digital food media habits to support an obesity-preventive lifestyle. We do not want to rest on the idea that food imagery's current prevalence is a core negative influence
    Language English
    Publishing date 2021-04-06
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2563826-9
    ISSN 1664-1078
    ISSN 1664-1078
    DOI 10.3389/fpsyg.2021.634261
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: The impact of environmental sounds on food reward

    Peng-Li, Danni / Andersen, Tjark / Finlayson, Graham / Byrne, Derek Victor / Wang, Qian Janice

    Physiology & behavior. 2022 Mar. 01, v. 245

    2022  

    Abstract: Wanting and liking are both components of food reward, but they manifest in fundamentally different neural substrates. While wanting denotes anticipatory and motivational behaviors, liking is associated with consummatory and hedonic experiences. These ... ...

    Abstract Wanting and liking are both components of food reward, but they manifest in fundamentally different neural substrates. While wanting denotes anticipatory and motivational behaviors, liking is associated with consummatory and hedonic experiences. These distinct constructs have also been quantitatively dissociated in behavioral paradigms. Indeed, internal, physiological, and interoceptive states affect the degree to which the food presented is valued. However, how contextual sensory cues might impact these appetitive and rewarding responses to food remains unexplored. In light of the increasing empirical focus on sound in food research, we investigated the influence of environmental soundscapes on explicit liking, explicit wanting, implicit wanting, choice frequency, and reaction time of healthy/unhealthy food using an online version of the Leeds Food Preference Questionnaire (LFPQ). Soft nature sounds and loud restaurant noises were employed to induce emotional relaxation and arousal respectively. One hundred and one healthy university students completed a repeated-measure design of the LFPQ; once with each soundscape playing in the background. Generalized linear mixed model analyses detected a significant interaction effect between soundscape and food type on choice frequency, yet the post hoc analyses did not reach significance. No interaction effects between soundscape and food type on wanting or liking were discovered. However, hypothesis-driven analyses found that nature sounds increased explicit liking of healthy (vs. unhealthy) foods, while no effect of soundscape on any wanting measures (explicit or implicit) were observed. Finally, exploratory analyses indicated that restaurant noise (vs. nature sound) induced faster response times for both healthy and unhealthy foods. The study exemplifies that in an online setting, contextual auditory manipulation of certain food reward measures and decision processes is feasible.
    Keywords food choices ; food research ; physiology ; questionnaires ; restaurants ; statistical models
    Language English
    Dates of publication 2022-0301
    Publishing place Elsevier Inc.
    Document type Article
    ZDB-ID 3907-x
    ISSN 1873-507X ; 0031-9384
    ISSN (online) 1873-507X
    ISSN 0031-9384
    DOI 10.1016/j.physbeh.2021.113689
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 74/401: Show issues

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  4. Article ; Online: The impact of environmental sounds on food reward.

    Peng-Li, Danni / Andersen, Tjark / Finlayson, Graham / Byrne, Derek Victor / Wang, Qian Janice

    Physiology & behavior

    2021  Volume 245, Page(s) 113689

    Abstract: Wanting and liking are both components of food reward, but they manifest in fundamentally different neural substrates. While wanting denotes anticipatory and motivational behaviors, liking is associated with consummatory and hedonic experiences. These ... ...

    Abstract Wanting and liking are both components of food reward, but they manifest in fundamentally different neural substrates. While wanting denotes anticipatory and motivational behaviors, liking is associated with consummatory and hedonic experiences. These distinct constructs have also been quantitatively dissociated in behavioral paradigms. Indeed, internal, physiological, and interoceptive states affect the degree to which the food presented is valued. However, how contextual sensory cues might impact these appetitive and rewarding responses to food remains unexplored. In light of the increasing empirical focus on sound in food research, we investigated the influence of environmental soundscapes on explicit liking, explicit wanting, implicit wanting, choice frequency, and reaction time of healthy/unhealthy food using an online version of the Leeds Food Preference Questionnaire (LFPQ). Soft nature sounds and loud restaurant noises were employed to induce emotional relaxation and arousal respectively. One hundred and one healthy university students completed a repeated-measure design of the LFPQ; once with each soundscape playing in the background. Generalized linear mixed model analyses detected a significant interaction effect between soundscape and food type on choice frequency, yet the post hoc analyses did not reach significance. No interaction effects between soundscape and food type on wanting or liking were discovered. However, hypothesis-driven analyses found that nature sounds increased explicit liking of healthy (vs. unhealthy) foods, while no effect of soundscape on any wanting measures (explicit or implicit) were observed. Finally, exploratory analyses indicated that restaurant noise (vs. nature sound) induced faster response times for both healthy and unhealthy foods. The study exemplifies that in an online setting, contextual auditory manipulation of certain food reward measures and decision processes is feasible.
    MeSH term(s) Cues ; Food ; Food Preferences/physiology ; Humans ; Motivation ; Reward
    Language English
    Publishing date 2021-12-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3907-x
    ISSN 1873-507X ; 0031-9384
    ISSN (online) 1873-507X
    ISSN 0031-9384
    DOI 10.1016/j.physbeh.2021.113689
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 747: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  5. Conference proceedings ; Online: Food Porn in Social Media

    Andersen, Tjark / Byrne, Derek V. / Wang, Qian Janice

    Andersen , T , Byrne , D V & Wang , Q J 2020 , ' Food Porn in Social Media: The Influence of Digital Photography on Healthy Eating Behaviour ' , Frontiers in Psychology .

    The Influence of Digital Photography on Healthy Eating Behaviour

    2020  

    Abstract: Obesity continues to be a global issue. In recent years, researchers have started to question the role of our novel yet ubiquitous use of digital media, especially the bombardment of appetising food images, in the development of obesity. With the ... ...

    Abstract - Obesity continues to be a global issue. In recent years, researchers have started to question the role of our novel yet ubiquitous use of digital media, especially the bombardment of appetising food images, in the development of obesity. With the recent COVID-19 outbreak affecting almost all aspects of society, many people have moved social eating into the digital space, making the question as relevant as ever. Food photography in particular has become a major aspect of the digital food experience. This review provides a scientific overview of how the 1) consumption, 2) production, and 3) online sharing of digital food photography influence the consumer both in terms of neural processing and eating behaviour. Moreover, this review provides an outlook of the opportunities in future research, both to close the gaps in our scientific understanding of the interaction between digital food photography and actual eating behaviour, and, from a practical viewpoint, to optimise our digital food media habits to support an obesity-preventive lifestyle. Rather than putting the blame on “food porn”, we offer the view that active participation in food photography, in conjunction with a selective usage of food-related digital media, can not only contribute to the management of a healthy bodyweight, but also enhance the enjoyment of food.
    Keywords covid19
    Subject code 300
    Language English
    Publishing country dk
    Document type Conference proceedings ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Book ; Online: Open-Source Verification with Chisel and Scala

    Dobis, Andrew / Petersen, Tjark / Rasmussen, Kasper Juul Hesse / Tolotto, Enrico / Damsgaard, Hans Jakob / Andersen, Simon Thye / Lin, Richard / Schoeberl, Martin

    2021  

    Abstract: Performance increase with general-purpose processors has come to a halt. We can no longer depend on Moore's Law to increase computing performance. The only way to achieve higher performance or lower energy consumption is by building domain-specific ... ...

    Abstract Performance increase with general-purpose processors has come to a halt. We can no longer depend on Moore's Law to increase computing performance. The only way to achieve higher performance or lower energy consumption is by building domain-specific hardware accelerators. To efficiently design and verify those domain-specific accelerators, we need agile hardware development. One of the main obstacles when proposing such a modern method is the lack of modern tools to attack it. To be able to verify a design in such a time-constrained development method, one needs to have efficient tools both for design and verification. This paper thus proposes ChiselVerify, an open-source tool for verifying circuits described in any Hardware Description Language. It builds on top of the Chisel hardware construction language and uses Scala to drive the verification using a testing strategy inspired by the Universal Verification Methodology (UVM) and adapted for designs described in Chisel. ChiselVerify is created based on three key ideas. First, our solution highly increases the productivity of the verification engineer, by allowing hardware testing to be done in a modern high-level programming environment. Second, the framework functions with any hardware description language thanks to the flexibility of Chisel blackboxes. Finally, the solution is well integrated into the existing Chisel universe, making it an extension of currently existing testing libraries. We implement ChiselVerify in a way inspired by the functionalities found in SystemVerilog. This allows one to use functional coverage, constrained-random verification, bus functional models, transaction-level modeling and much more during the verification process of a design in a contemporary high-level programming ecosystem.
    Keywords Computer Science - Programming Languages ; Computer Science - Hardware Architecture
    Subject code 000
    Publishing date 2021-02-26
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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