What is eaten and how it bears on mind and body.
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Qurʾān
القرآن6 shownVerses named for this subject by hand come first. The rest are found by the subject’s own Arabic and English senses and are shown as lexical matches, not as anchors anyone has confirmed.
Qur'ān 6:141English sense: eat | Arabic sense: تسرفوا, كلوا
۞وَهُوَ ٱلَّذِيٓ أَنشَأَ جَنَّٰتࣲ مَّعۡرُوشَٰتࣲ وَغَيۡرَ مَعۡرُوشَٰتࣲ وَٱلنَّخۡلَ وَٱلزَّرۡعَ مُخۡتَلِفًا أُكُلُهُۥ وَٱلزَّيۡتُونَ وَٱلرُّمَّانَ مُتَشَٰبِهࣰ ا وَغَيۡرَ مُتَشَٰبِهࣲۚ كُلُواْ مِن ثَمَرِهِۦٓ إِذَآ أَثۡمَرَ وَءَاتُواْ حَقَّهُۥ يَوۡمَ حَصَادِهِۦۖ وَلَا تُسۡرِفُوٓاْۚ إِنَّهُۥ لَا يُحِبُّ ٱلۡمُسۡرِفِينَ
It is He who produces both trellised and untrellised gardens, date palms, crops of diverse flavours, the olive, the pomegranate, alike yet different. So when they bear fruit, eat some of it, paying what is due on the day of harvest, but do not be wasteful: God does not like wasteful people
Qur'ān 7:31English sense: eat | Arabic sense: تسرفوا, كلوا
۞يَٰبَنِيٓ ءَادَمَ خُذُواْ زِينَتَكُمۡ عِندَ كُلِّ مَسۡجِدࣲ وَكُلُواْ وَٱشۡرَبُواْ وَلَا تُسۡرِفُوٓاْۚ إِنَّهُۥ لَا يُحِبُّ ٱلۡمُسۡرِفِينَ
Children of Adam, dress well whenever you are at worship, and eat and drink [as We have permitted] but do not be extravagant: God does not like extravagant people
Qur'ān 5:88Arabic sense: كلوا | English sense: eat, lawful and good
وَكُلُواْ مِمَّا رَزَقَكُمُ ٱللَّهُ حَلَٰلࣰ ا طَيِّبࣰ اۚ وَٱتَّقُواْ ٱللَّهَ ٱلَّذِيٓ أَنتُم بِهِۦ مُؤۡمِنُونَ
but eat the lawful and good things that God provides for you. Be mindful of God, in whom you believe
Qur'ān 25:20Arabic sense: الطعام, طعام | English sense: eat
وَمَآ أَرۡسَلۡنَا قَبۡلَكَ مِنَ ٱلۡمُرۡسَلِينَ إِلَّآ إِنَّهُمۡ لَيَأۡكُلُونَ ٱلطَّعَامَ وَيَمۡشُونَ فِي ٱلۡأَسۡوَاقِۗ وَجَعَلۡنَا بَعۡضَكُمۡ لِبَعۡضࣲ فِتۡنَةً أَتَصۡبِرُونَۗ وَكَانَ رَبُّكَ بَصِيرࣰ ا
No messenger have We sent before you [Muhammad] who did not eat food and walk about in the marketplace. But We have made some of you a means of testing others- will you stand fast? Your Lord is always watching
Qur'ān 25:7English sense: eat | Arabic sense: الطعام, طعام
وَقَالُواْ مَالِ هَٰذَا ٱلرَّسُولِ يَأۡكُلُ ٱلطَّعَامَ وَيَمۡشِي فِي ٱلۡأَسۡوَاقِ لَوۡلَآ أُنزِلَ إِلَيۡهِ مَلَكࣱ فَيَكُونَ مَعَهُۥ نَذِيرًا
They also say, ‘What sort of messenger is this? He eats food and walks about in the marketplaces! Why has no angel been sent down to help him with his warnings
Qur'ān 2:57English sense: eat | Arabic sense: كلوا
وَظَلَّلۡنَا عَلَيۡكُمُ ٱلۡغَمَامَ وَأَنزَلۡنَا عَلَيۡكُمُ ٱلۡمَنَّ وَٱلسَّلۡوَىٰۖ كُلُواْ مِن طَيِّبَٰتِ مَا رَزَقۡنَٰكُمۡۚ وَمَا ظَلَمُونَا وَلَٰكِن كَانُوٓاْ أَنفُسَهُمۡ يَظۡلِمُونَ
We made the clouds cover you with shade, and sent manna and quails down to you, saying, ‘Eat the good things We have provided for you.’ It was not Us they wronged; they wronged themselves
Research library, full list
1226 to 1250 of 1,410Female sweet-likers have enhanced cross-modal interoceptive abilities.
There are well known phenotypic differences in sweet-liking across individuals, but it remains unknown whether these are related to broader underlying differences in interoceptive abilities (abilities to sense the internal state of the body). Here, healthy women (N = 64) classified as sweet likers (SLs) or sweet dislikers (SDs) completed a bimodal interoception protocol. A heartbeat tracking and a heartbeat discrimination task determined cardiac interoception; both were accompanied by confidence ratings. A water load task, where participants consumed water to satiation and then to maximum fullness was used to assess gastric interoceptive abilities. Motivational state, psychometric characteristics and eating behaviour were also assessed. SLs performed significantly better than SDs on both heartbeat tasks, independently of impulsivity, anxiety, depression, and alexithymia. No differences i…
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Exploring changes in body image, eating and exercise during the COVID-19 lockdown: A UK survey.
Early reports suggest that lockdown measures associated with the COVID-19 pandemic (e.g., social distancing) are having adverse consequences for people's mental health, including increases in maladaptive eating habits and body dissatisfaction. Certain groups, such as those with pre-existing mental health difficulties, may be especially at risk. The current study explored perceived changes in eating, exercise, and body image during lockdown within the United Kingdom, using an online survey (n = 264). There were large individual differences in perceived changes in eating, exercise, and body image in this period. Women were more likely than men to report increasing struggles with regulating eating, preoccupation with food and worsening body image. Those with a current/past diagnosis of eating disorders reported significantly greater difficulties in regulating eating, increased preoccupation…
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Emotional Eating in Adults: The Role of Sociodemographics, Lifestyle Behaviors, and Self-Regulation-Findings from a U.S. National Study.
Background: Emotional eating, the tendency to overeat in response to negative emotions, has been linked to weight gain. However, scant evidence exists examining the prevalence and correlates of emotional eating among large samples of adults in the United States (U.S.). Hence, we examine the relationship among individual and socioeconomic factors, health behaviors, and self-regulation with emotional eating patterns among U.S. adults.
Methods: Cross-sectional analysis of 5863 Family Health Habits Survey participants. Multivariable, ordered, logistic regression was employed to examine the relationship between the frequency of the desire to eat when emotionally upset (never, rarely, sometimes, often, and very often) and the independent variables.
Results: Analysis reveals that 20.5% of the sample tended to emotionally eat often or very often. Being female, non-Hispanic White, and of younger …
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Associations between number of siblings, birth order, eating rate and adiposity in children and adults.
Eating quickly is associated with eating larger amounts at mealtimes and faster eaters tend to have a higher BMI. Evidence suggests that sibling structure influences the development of childhood eating behaviours. We hypothesized that number of siblings and birth order might play a role in the development of eating rate. In two UK studies, children in Bristol (n = 132; Study 1) and adults and children in London (adults n = 552, children n = 256; Study 2) reported their eating rate, number of siblings, and birth order. A BMI measurement was obtained and in Study 2 waist circumference was recorded. Ordered logistic regression was used to examine effects of sibling structure on eating rate and linear regression assessed effects of eating rate on BMI. Faster eating was associated with higher BMI and a larger waist, in children and adults (ps < .01). In Study 1, first-born children were twice…
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Rumination, mood, and maladaptive eating behaviors in overweight and healthy populations.
Purpose: The literature suggests that rumination (i.e., repetitive thinking about 1 or more negative concerns that is perceived as difficult to control) is linked to impaired emotional regulation and increases negative affect. Not only individuals suffering from overweight or obesity, but also healthy individuals might use emotional eating as a coping strategy to deal with negative affect caused by rumination. The aim of the present study was to determine the link between rumination and maladaptive eating strategies in participants with normal weight and overweight/obesity using trait and ecological momentary measures.
Method: In Study 1, 88 individuals from overweight/obese (N = 33) and control group (N = 50) filled in a series of questionnaires assessing trait rumination, and eating behaviors. In Study 2 momentary affect, rumination and eating behavior of 26 participants were assessed …
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Impact of the COVID-19 Epidemic on Lifestyle Behaviors and Their Association With Subjective Well-Being Among the General Population in Mainland China: Cross-Sectional Study.
Background: The world is experiencing an unprecedented challenge due to the coronavirus disease (COVID-19) pandemic. However, it is unclear whether people's lifestyles will change as a result.
Objective: The aim of this study is to explore perceived lifestyle changes after the outbreak of COVID-19 and their association with subjective well-being (SWB) among the general population in Mainland China.
Methods: An online survey was conducted in May 2020. Lifestyle behaviors including leisure-time physical exercise, leisure-time screen time, and dietary intake were self-reported. SWB was measured using the General Wellbeing Schedule (GWS). Other covariates including sociodemographic factors, self-rated physical health, perceived social support, and loneliness were also assessed by a structured questionnaire. A multivariate ordinal regression method was used to analyze the association between …
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Adolescents' Addictive Phone Use: Associations with Eating Behaviors and Adiposity.
Concerns have been raised about excessive or "addictive" phone use among adolescents, and the impact that addictive phone use (APU) can have on adolescent development and health. Most research on the physical health correlates of smartphone use has been limited to sleep health, whereas other outcomes, such as eating behaviors and obesity risk have not received as much attention. To address this gap in the literature, we examined the association between APU and emotion regulation difficulties, impulsivity, maladaptive eating behaviors, and adiposity in a sample of 111 adolescents. We found that APU is associated with greater emotion regulation difficulties, dysregulated eating, restrained eating, food addiction, and higher percent body fat. Further, we found that emotion regulation difficulties mediated the association between APU and dysregulated eating, restrained eating, and food addic…
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Alcohol use in Australia during the early days of the COVID-19 pandemic: Initial results from the COLLATE project.
Aim: The effects of social isolation measures used to control the spread of COVID-19 are negatively impacting the mental health of many. One of the consequences of exposure to disasters/pandemics is an increase in alcohol use. The current study aimed to examine what predisposing (distal) and pandemic-related (proximal) factors were associated with increased drinking in the wake of the COVID-19 pandemic.
Methods: On 1 April 2020, 5158 Australians completed a survey from the COvid-19 and you: mentaL heaLth in AusTralia now survEy (COLLATE) project, a nationwide study aimed at tracking key mental health concerns. Using logistic regression, distal (demographics and previous drinking behaviors) and proximal (employment, lifestyle factors, and mood) factors were assessed for their association with increased drinking since the onset of the COVID-19 pandemic.
Results: Distal factors, including h…
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Eating and exercise behaviors in eating disorders and the general population during the COVID-19 pandemic in Australia: Initial results from the COLLATE project.
Objective: Emerging evidence suggests that the coronavirus (COVID-19) pandemic may be negatively impacting mental health. The impact on eating and exercise behaviors is, however, currently unknown. This study aimed to identify changes in eating and exercise behaviors in an Australian sample among individuals with an eating disorder, and the general population, amidst the COVID-19 pandemic outbreak.
Method: A total of 5,469 participants, 180 of whom self-reported an eating disorder history, completed questions relating to changes in eating and exercise behaviors since the emergence of the pandemic, as part of the COLLATE (COvid-19 and you: mentaL heaLth in AusTralia now survEy) project; a national survey launched in Australia on April 1, 2020.
Results: In the eating disorders group, increased restricting, binge eating, purging, and exercise behaviors were found. In the general population,…
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A Biopsychosocial Model of Social Media Use and Body Image Concerns, Disordered Eating, and Muscle-Building Behaviors among Adolescent Girls and Boys.
Social media use is associated with body image concerns, disordered eating and body change behaviors in adolescents. This study aimed to examine these relationships within a biopsychosocial framework and test an integrated model. A sample of 681 adolescents (49% female), mean age = 12.76 years (SD = 0.74), completed a questionnaire assessing social media use, depression, self-esteem, body mass index, social media and muscular ideal internalization, appearance comparison, body dissatisfaction, disordered eating, and muscle-building behaviors. Path analysis was used to test the hypothetical model, which after modification revealed good fit to the data, although gender differences emerged. The findings suggest that biopsychosocial frameworks are useful for conceptualizing relationships between social media use and body image, eating, and muscle building outcomes.
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Impact of COVID-19 stay-at-home orders on weight-related behaviours among patients with obesity.
How the impact of the COVID-19 stay-at-home orders is influencing physical, mental and financial health among vulnerable populations, including those with obesity is unknown. The aim of the current study was to explore the health implications of COVID-19 among a sample of adults with obesity. A retrospective medical chart review identified patients with obesity from an obesity medicine clinic and a bariatric surgery (MBS) practice. Patients completed an online survey from April 15, 2020 to May 31, 2020 to assess COVID-19 status and health behaviours during stay-at-home orders. Logistic regression models examined the impact of these orders on anxiety and depression by ethnic group. A total of 123 patients (87% female, mean age 51.2 years [SD 13.0]), mean BMI 40.2 [SD 6.7], 49.2% non-Hispanic white (NHW), 28.7% non-Hispanic black, 16.4% Hispanic, 7% other ethnicity and 33.1% completed MBS …
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Intermittent Fasting Enhanced the Cognitive Function in Older Adults with Mild Cognitive Impairment by Inducing Biochemical and Metabolic changes: A 3-Year Progressive Study.
Intermittent fasting (IF) refers to various dietary regimens that cycle between a period of non-fasting and a period of total fasting. This study aimed to determine the effects of IF on cognitive function among elderly individuals who practice IF who have mild cognitive impairment (MCI). A total of 99 elderly subjects with MCI of Malay ethnicity without any terminal illness were recruited from a larger cohort study, LRGS TUA. The subjects were divided into three groups, comprising those who were regularly practicing IF (r-IF), irregularly practicing IF (i-IF), and non-fasters (n-IF). Upon 36 months of follow-up, more MCI subjects in the r-IF group reverted to successful aging with no cognitive impairment and diseases (24.3%) compared to those in i-IF (14.2%) and n-IF groups (3.7%). The r-IF group's subjects exhibited significant increment in superoxide dismutase (SOD) activity and reduct…
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The impact of the COVID-19 pandemic on eating disorder risk and symptoms.
The current COVID-19 pandemic has created a global context likely to increase eating disorder (ED) risk and symptoms, decrease factors that protect against EDs, and exacerbate barriers to care. Three pathways exist by which this pandemic may exacerbate ED risk. One, the disruptions to daily routines and constraints to outdoor activities may increase weight and shape concerns, and negatively impact eating, exercise, and sleeping patterns, which may in turn increase ED risk and symptoms. Relatedly, the pandemic and accompanying social restrictions may deprive individuals of social support and adaptive coping strategies, thereby potentially elevating ED risk and symptoms by removing protective factors. Two, increased exposure to ED-specific or anxiety-provoking media, as well as increased reliance on video conferencing, may increase ED risk and symptoms. Three, fears of contagion may increa…
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Identifying the Profile of Orthorexic Behavior and "Normal" Eating Behavior with Cluster Analysis: A Cross-Sectional Study among Polish Adults.
Although the amount of research about orthorexia nervosa (ON) has grown in the last two decades, to date, research on ON remains inconsistent. More is known about some behavioral characteristics of ON and its prevalence but nothing is known about the profile analysis behind this pathological eating behavior maintenance. Therefore, the objective of the present study was to determine the profiles of the participants in terms of eating behaviors, eating disorder psychopathology, obsessive-compulsive disorder symptoms and physical activity as well as check their association with ON. The sample was composed of 229 Polish female and male adults. Our findings showed three clusters and four-related factors (obsessive-compulsive disorder features; inappropriate eating and body-related behaviors; psychological and affective traits of eating disorders; perfectionism and behaviors associated with we…
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Favier M, Janickova H, Justo D, Kljakic O, Runtz L, Natsheh JY, Pascoal TA, Germann J, Gallino D, Kang JI, Meng XQ, Antinora C, Raulic S, Jacobsen JP, Moquin L, Vigneault E, Gratton A, Caron MG, Duriez P, Brandon MP, Neto PR, Chakravarty MM, Herzallah MM, Gorwood P, Prado MA, Prado VF, El Mestikawy S (2020)MEDLINE-indexed journal, not yet read by usThe Journal of clinical investigation48 citations Cholinergic dysfunction in the dorsal striatum promotes habit formation and maladaptive eating.
Dysregulation of habit formation has been recently proposed as pivotal to eating disorders. Here, we report that a subset of patients suffering from restrictive anorexia nervosa have enhanced habit formation compared with healthy controls. Habit formation is modulated by striatal cholinergic interneurons. These interneurons express vesicular transporters for acetylcholine (VAChT) and glutamate (VGLUT3) and use acetylcholine/glutamate cotransmission to regulate striatal functions. Using mice with genetically silenced VAChT (VAChT conditional KO, VAChTcKO) or VGLUT3 (VGLUT3cKO), we investigated the roles that acetylcholine and glutamate released by cholinergic interneurons play in habit formation and maladaptive eating. Silencing glutamate favored goal-directed behaviors and had no impact on eating behavior. In contrast, VAChTcKO mice were more prone to habits and maladaptive eating. Speci…
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Bai L, Mesgarzadeh S, Ramesh KS, Huey EL, Liu Y, Gray LA, Aitken TJ, Chen Y, Beutler LR, Ahn JS, Madisen L, Zeng H, Krasnow MA, Knight ZA (2019)MEDLINE-indexed journal, not yet read by usCell444 citations Genetic Identification of Vagal Sensory Neurons That Control Feeding.
Energy homeostasis requires precise measurement of the quantity and quality of ingested food. The vagus nerve innervates the gut and can detect diverse interoceptive cues, but the identity of the key sensory neurons and corresponding signals that regulate food intake remains unknown. Here, we use an approach for target-specific, single-cell RNA sequencing to generate a map of the vagal cell types that innervate the gastrointestinal tract. We show that unique molecular markers identify vagal neurons with distinct innervation patterns, sensory endings, and function. Surprisingly, we find that food intake is most sensitive to stimulation of mechanoreceptors in the intestine, whereas nutrient-activated mucosal afferents have no effect. Peripheral manipulations combined with central recordings reveal that intestinal mechanoreceptors, but not other cell types, potently and durably inhibit hung…
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Weight-related shame and guilt, intuitive eating, and binge eating in female college students.
Shame and guilt are associated with greater eating disorder symptomatology, including binge eating. These emotional states may be related to binge eating as a result of one's attempt to use food as a means of coping. Little research has examined associations between weight-specific negative emotions and eating behaviors. Even less research has examined the role of intuitive eating as a mitigating factor of these associations. This study examined the relationships among weight-related shame and guilt and binge eating symptomatology in a sample of 196 undergraduate women. Further, we assessed the role of intuitive eating as a moderator of these relationships. Female college students completed an online questionnaire assessing demographics, weight-related shame and guilt, intuitive eating, and binge eating. After accounting for covariates, including body mass index, multiple regression anal…
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Odekunle EA, Semmens DC, Martynyuk N, Tinoco AB, Garewal AK, Patel RR, Blowes LM, Zandawala M, Delroisse J, Slade SE, Scrivens JH, Egertová M, Elphick MR (2019)MEDLINE-indexed journal, not yet read by usBMC biology48 citations Ancient role of vasopressin/oxytocin-type neuropeptides as regulators of feeding revealed in an echinoderm.
Background: Vasopressin/oxytocin (VP/OT)-type neuropeptides are well known for their roles as regulators of diuresis, reproductive physiology and social behaviour. However, our knowledge of their functions is largely based on findings from studies on vertebrates and selected protostomian invertebrates. Little is known about the roles of VP/OT-type neuropeptides in deuterostomian invertebrates, which are more closely related to vertebrates than protostomes.
Results: Here, we have identified and functionally characterised a VP/OT-type signalling system comprising the neuropeptide asterotocin and its cognate G-protein coupled receptor in the starfish (sea star) Asterias rubens, a deuterostomian invertebrate belonging to the phylum Echinodermata. Analysis of the distribution of asterotocin and the asterotocin receptor in A. rubens using mRNA in situ hybridisation and immunohistochemistry rev…
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Mother and Father Controlling Feeding Behaviors and Associations With Observed Mealtime Family Functioning.
Objective: Mealtime family functioning is important in shaping health behaviors associated with overweight/obesity, particularly for preschool-aged children. Parental controlling feeding behaviors (i.e., restriction and pressure to eat), may impact mealtime family functioning and thus be targets of prevention and intervention efforts. The current study aimed to address literature gaps by examining both mother and father self-reports of controlling feeding behaviors, and the discrepancies between parents' reports. Further, the study examined the associations among controlling feeding behaviors and objective mealtime family functioning in a community sample of preschool-aged children.
Methods: The sample included 27 children between 2 and 6 years of age and their immediate family members. Two mealtimes were videotaped for each family and coded for family functioning using the Mealtime Inte…
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Prevalence of premenstrual syndrome and its impact on quality of life among selected college students in Puducherry.
Background: Premenstrual syndrome (PMS) refers to a set of distressing symptoms experienced around the time of menstrual flow. Hormonal changes may underlie these symptoms which can lead to difficulties in day-to-day functioning and poor quality of life.
Methods: In this cross-sectional study, 300 students attending the science stream at a women's college of Puducherry were administered self-reported questionnaires to obtain socio- demographic, dietary, lifestyle and family details. The Shortened Premenstrual Assessment Form was used to assess PMS, a symptom checklist was used to assess premenstrual dysphoric disorder and Short From 36 was used to assess quality of life.
Results: The prevalence of PMS was 62.7%. Back, joint and muscle aches were the most common symptoms followed by abdominal heaviness and discomfort. PMS was associated with a poorer quality of life across all domains. Ab…
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Perspectives and experiences of patients with type 2 diabetes observing the Ramadan fast.
Introduction: Diabetes is a common chronic disease among Australians. Culturally and linguistically diverse groups are observed to have higher prevalence rates of diabetes. Continuing management needs adherence to medication and diet regimens. Religious practices such as fasting can affect diabetes management and medication use. Pharmacists as medication specialists have a significant role in helping people observing religious practices such as the Ramadan fast, which involves month-long absolute abstinence from food during daylight hours, to maintain good control over their condition.
Objective: This study investigated the perspective of patients with type 2 diabetes (T2D) who undertake the fast of Ramadan, to understand their experiences, health-related needs and service preferences regarding diabetes management.
Methods: A qualitative, exploratory design was used in this study. Data c…
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A study on the interplay between emerging adulthood and eating disorder symptomatology in young adults.
Purpose: The primary aim of this study was to investigate the interplay between Arnett's five features of emerging adulthood and ED symptomatology. The secondary aim of the study was to investigate possible gender differences concerning the relation between emerging adulthood and ED symptomatology.
Methods: 337 university students (252 females and 85 males) participated in this study. Each participant was asked to anonymously complete the following questionnaires: Inventory of the Dimensions of Emerging Adulthood (IDEA), Eating Attitudes Test (EAT-26), and Social Physique Anxiety Scale (SPAS).
Results: The female group scored higher in the EAT-26 diet, SPAS, IDEA self-focus and IDEA total score measurements. Additionally, in the female group, identity exploration was correlated with EAT-26 total and bulimia, experimentation/possibilities with EAT-26 total and diet, and negativity/instabi…
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Wei S, Li Z, Ren M, Wang J, Gao J, Guo Y, Xu K, Li F, Zhu D, Zhang H, Lv R, Qiao M (2018)MEDLINE-indexed journal, not yet read by usBMC neuroscience27 citations Social defeat stress before pregnancy induces depressive-like behaviours and cognitive deficits in adult male offspring: correlation with neurobiological changes.
Background: Epidemiological surveys and studies with animal models have established a relationship between maternal stress and affective disorders in their offspring. However, whether maternal depression before pregnancy influences behaviour and related neurobiological mechanisms in the offspring has not been studied.
Results: A social defeat stress (SDS) maternal rat model was established using the resident-intruder paradigm with female specific pathogen-free Wistar rats and evaluated with behavioural tests. SDS maternal rats showed a significant reduction in sucrose preference and locomotor and exploratory activities after 4 weeks of stress. In the third week of the experiment, a reduction in body weight gain was observed in SDS animals. Sucrose preference, open field, the elevated-plus maze, light-dark box, object recognition, the Morris water maze, and forced swimming tests were perf…
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Mindset switching increases the use of 'want-based' over 'should-based' behaviors.
This study examines the consequences of mindset switching on behavioral choices in want/should conflicts. Building on the insights of the ego depletion literature, we propose that mindset switching depletes individuals' self-control resources and therefore prompts the choice of want behavior, which provides immediate pleasure, over should behavior, which provides long-term utility. Four laboratory experiments with university students that stimulated individuals to switch mindsets were conducted to test our hypotheses. Experiment 1 demonstrated that switching between individualist and collectivist mindsets increased the subjects' tendency to prefer popular magazines over scientific journals. Experiment 2 replicated the results by testing the relationship between an abstract/concrete mindset-switching task and want/should online behavioral choices. The mediating effect of ego depletion was…
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Social bonds facilitate cooperative resource sharing in wild chimpanzees.
Why share when access to benefits is uncertain is crucial to our understanding of the evolution of humans' extensive cooperation. Here, we investigated some of the different human sharing hypotheses and potential neuroendocrine mechanisms, in one of our closest living relatives, chimpanzees. The strongest predictor of sharing across food types was the presence of enduring and mutually preferred grooming partners, more than harassment, direct signalling, or trade. Moreover, urinary oxytocin levels were higher after the sharing of both individually and jointly acquired resources compared with controls. We conclude that the emotional connection inherent in social bonds was a key factor determining sharing patterns, with the oxytocinergic system potentially facilitating long-term cooperative exchanges. Testing for the role of social bonds in increasing predictability of sharing behaviour, a …
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