Binge-Eating Behavior in Socially-Insolated Female Mice

Kry, Jenny; Cordeira, Joshua

doi:10.22186/jyi.35.1.7-11

Cited by 2 publications

(1 citation statement)

References 18 publications

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“…Kry and Cordeira [39] verity that socially-isolated female mice consumed more high sweet and fat food than pair-housed mice. Paradoxically, in humans, less social contact and living alone can also result in less energy consumed and less food variety, with reduced intake of fruits and vegetables [40] .…”

Section: Discussionmentioning

confidence: 99%

Emotional eating, binge eating, physical inactivity, and vespertine chronotype are negative predictors of dietary practices during COVID-19 social isolation: A cross-sectional study

et al. 2021

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Coronavirus disease 2019 (COVID-19) emerged and rapidly spread worldwide. Several countries have imposed lockdown and isolation, in attempt to mitigate viral spread. However, social isolation has negative impact on psychological aspects, increasing stress, fear, anxiety, anger and emotional disturbance, as well as affecting sleep pattern and physical activity practice. Negative emotions and lifestyle changes trigger overeating, consequently affecting dietary practices. The present study aimed to verify the prevalence of lifestyle factors (i.e., sleep time/quality and physical exercise practice), eating behaviors dimensions, chronotype, and association with dietary practices (planning; domestic organization; food choice; ways of eating) in home confinement during the COVID-19 pandemic in São Paulo, Brazil. This cross-sectional study was conducted between April 27 and May 25, 2020. An anonymous online questionnaire (Microsoft Forms®) was used for data collection by the snowball method. We verified dietary practices (outcome), eating behavior, physical exercise practice, sleep quality and duration, chronotype (exposure variables). Sex, age, educational and social status were assessed as covariates and confounders. Seven hundred twenty-four (585 women and 139 men) were evaluated. Mean ± SD of age was 32.6 ± 11.3 (women) and 33.5 ± 10.5 (men) years old. Emotional eating (EE) and Binge eating (BE) were positively correlated (r = 0.66; p <0.001) and dietary practices were negatively correlated with BE (r = -0.41; p <0.001), EE (r = -0.33; p <0.001) and BMI (r = -0.24; p <0.001). Linear regression demonstrated that EE ( ß = - 0.1351, t = -2.841; p = 0.005; η p 2 = 0.013), BE ( ß = - 0.2580, t = - 5.612; p < 0.001; η p 2 = 0.050), not doing physical exercise at home ( ß = -0.4271, t = - 5.933 p < 0.001; η p 2 = 0.055), be vespertine ( ß = -0.3435, t = 2.076 p = 0.038; η p 2 = 0.019) and age ( ß = -0.082, t = -2.210; p = 0.027; η p 2 = 0.008) are negative predictors of dietary practices. Finally, cognitive restraint ( ß = 0.1407, t = 3.858; p < 0.001; η p 2 = 0.024), better sleep quality ( ß = 0.1768, t = 2.506; p = 0.012; η p 2 = 0.010), receive 4-10 salaries ( ß = 0.2568, t = 2.573 p = 0.10; η p 2 = 0.027) and 10 – 20 salaries ( ß = 0.4490, t = 3.726 p < 0.001; η p 2 = 0.027) are positive pr...

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Section: Discussionmentioning

confidence: 99%

Emotional eating, binge eating, physical inactivity, and vespertine chronotype are negative predictors of dietary practices during COVID-19 social isolation: A cross-sectional study

et al. 2021

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Temporary sensory separation of ewes from lambs effects stress-related behaviours and hormones of Small-tailed Han ewes

Han,

Wang,

et al. 2024

Anim. Prod. Sci.

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Context Different individuals within a group can form strong links through auditory, visual, and tactile senses. Temporarily separating sheep into subflocks, although not involving complete social isolation of individuals, can be stressful, especially when ewes are separated from lambs. Aims This study aimed to explore the effects of 1-h temporary ewe–lamb sensory separations on stress-related behaviours during separation, as well as its effect on stress-related hormones of ewes. Methods Small-tailed Han ewes were randomly assigned to the following four groups (six each): the auditory + visual + tactile separation (A + V + T group), visual + tactile separation (V + T group), tactile separation (T group), and the control (C group). Then, the ewes were separated from their lambs for 1 h on Postnatal Days 14, 21, 28, 35 and 42. Ewe behaviours during the separations were observed using focal animal-sampling methods. Key results Results showed that the separated ewes (A + V + T, V + T, and T groups) spent more time looking and exploring and less time lying (P < 0.05). Ewes showed more exploring behaviour in T group (P < 0.05). Ewes that gave birth to two lambs showed more urinating behaviour (P < 0.05). There was no significant difference in the level of stress-related hormones in ewes among the four different separation-method groups (A + V + T, V + T, T, and C groups). Conclusions One hour ewe-lamb sensory separation affected the stress related behaviours of Small-tailed Han ewes during separation, but it did not cause differences in stress-related hormones in ewes after the separation. Ewes showed increased exploring or urinating behaviour when they were separated through lack of tactile contact only with lambs, or when ewes give birth to two lambs. Implications Ewes temporarily separated from their lambs are less stressed if they are unable to hear or see the lambs, thereby improving ewe welfare. These effects appear more pronounced in ewes with multiple lambs and provides new perspectives for further studies on the effect of litter size on ewe-lamb bonding.

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Binge-Eating Behavior in Socially-Insolated Female Mice

Cited by 2 publications

References 18 publications

Emotional eating, binge eating, physical inactivity, and vespertine chronotype are negative predictors of dietary practices during COVID-19 social isolation: A cross-sectional study

Emotional eating, binge eating, physical inactivity, and vespertine chronotype are negative predictors of dietary practices during COVID-19 social isolation: A cross-sectional study

Temporary sensory separation of ewes from lambs effects stress-related behaviours and hormones of Small-tailed Han ewes

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