N1 and LNC Reveal the Differential Electrophysiological Signatures of Functional and Hedonic Images Processing.

In the process of creative sentence or phrase utilization, novel and appropriate evaluations cause the different brain responses observed in event-related potentials: the N400 reflects the novelty evaluation, whereas a late negative component marks appropriate processing. Do we have similar brain reactions in image perception when we rapidly browse pictures of objects with different novelty, functional/appropriate, and hedonic value? To explore this question, participants were presented with four novel object images with high or low functional and hedonic properties, as well as the ordinary product images, with the instruction to attentively observe and understand each image. We found a clear dissociation between processing of novelty and functional value: novelty objects produced negative deflections in the N2-N400 time window relative to the ordinary object images, whereas images with high functional value elicited a larger N2 and late negative waves (LNC) resembling the late component found for the appropriate phrases. Object images with high hedonic value, however, were associated with earlier aesthetic preference reflected in smaller N1 amplitudes, but failed to elicit a LNC effect. We therefore conclude that the processing of novelty, functional, and hedonic value are dissociation, and the perception of hedonic value is earlier (N1) than the novelty processing (N400) and the verification of functional value (LNC).

The influence of the language style of the anchor on consumers' purchase intention.

Remarkably, e-commerce anchors have become one of the hot careers in the new media era. As a link between goods and consumers, anchors affect the willingness of consumers to purchase, which eventually impacts the sales volume of commodities in the live broadcast. Therefore, the language style of anchors is of vital significance. However, local and foreign research rarely investigates the interaction between the language style of anchors and different product types and the influential mechanism on consumers' purchase willingness. In light of the SOR theory's logic and from the viewpoint of consumer perceived value, this research study scrutinizes the interaction between the language styles of different authors (appealing to emotion and appealing to logic) and different types of products (hedonic products and practical products), as well as the effect mechanism on the consumers' willingness to purchase. Using questionnaire surveys and empirical analysis, this paper intends to analyze the inherent correlation between study variables, in order to extend valuable suggestions for enterprise practice.

Sensory Attributes Driving Preference for Wild Rocket (Diplotaxis tenuifolia) Leaves Tasted as a Single Ingredient and as a Part of a Recipe.

Two cultivars of wild rocket (Diplotaxis tenuifolia), cv. Denver and Marte, were subjected to chemical determination of flavour-related constituents, sensory descriptive analysis, and measurement of liking by consumer test. Consumers evaluated rocket leaves both as a single ingredient and in a recipe formed by a roll of bresaola with also Grana Padano cheese. Sensory analyses showed that Marte was characterized by a more intense bitterness, hotness, and pungency, which corresponded to a higher total GSL content, mainly due to a higher level of dimeric 4-mercaptobutyl GSL. Five clusters of consumers were identified based on their liking scores. When tasting rocket leaves as a single ingredient, three clusters showed a higher liking for the milder cultivar, one cluster showed an opposite preference, while flavour attributes, such as bitterness and hotness, appeared as the main drivers of liking. Differences in liking were no longer found between the two cultivars when rocket leaves were evaluated in the recipe. Therefore, as rocket leaves are generally consumed as a part of a recipe with other ingredients instead of as a single ingredient, in the assessment of consumer preferences, it should not be neglected the influence of the way in which the product is consumed.

Comparison of Vegetarian Sausages: Proximal Composition, Instrumental Texture, Rapid Descriptive Sensory Method and Overall Consumer Liking.

The aim of the present research was to determine if the developed ovo-vegetarian sausage (SO), which was made with 15% chickpea flour, 51% albumin and 34% soy protein concentrate, exhibited improved physicochemical and sensory characteristics compared to vegetarian sausages available on the local market (classic vegan sausage, SC; vegan fine herb sausage, SH; and quinoa sausage, SQ). According to the physicochemical results, the developed sample, SO, presented significant differences (p < 0.05) compared to the others, including higher protein content, lower pH and a higher a* value. Three types of sensory analyses were conducted-flash profile, overall liking and purchase intention (to determine consumers' willingness to purchase the product)-with the first involving 15 consumers and the second and third involving 60 participants each. Descriptors for each sample were determined using the vocabulary provided by consumers in the flash profile analysis. Descriptors for SO included 'elastic', 'smell of cooked corn', 'characteristic flavor', 'pasty', 'soft' and 'pastel color', contributing to its greater overall liking and purchase intention compared to the others. Through the hierarchical multiple factor analysis, a positive correlation was observed between the texture and sensory descriptors of the flash profile. Conversely, a correlation was found between the physicochemical characteristics (pH, aw, color) and overall liking and purchase intention.

Is wine perception influenced by sustainability information? Insights from a consumer experiment with fungus resistant grape and organic wines.

Literature has highlighted that the organic attribute has heuristic value for many consumers, representing an overarching signifier of positive characteristics. Nowadays a plethora of alternative systemic approaches side organic production in the aim to improve the overall sustainability of the agrifood sector. Current study, based on blind and informed tasting, measured sustainability information influence on respondents' (n = 162) perceptions of organic and fungus-resistant grape (FRG) white wines. Findings of the within-subject non hypothetical experiment revealed that information has a stronger, positive impact on participants' perception of organic wine (increasing 13 % monetary preferences) compared to FRG wine (+9%). Additionally, attitudinal characteristics driving consumers' preferences towards FRG wine diverge from organic core motivations.

A dataset of perception and preferences of French consumers for commercial cooked hams sampled according to their nutritional values and claims.

This article describes a dataset providing sensory and nutritional information for 30 commercial cooked hams (without rind, not flavored) representative of the French commercial segment. The sensory data were collected in two phases. During the first phase (fall 2019, field experiment), 483 consumers, regular consumers of cooked hams, were recruited in seven cities and vicinities of France. They were instructed to choose and buy cooked hams at the supermarket and evaluate them at home over a period of three months. They were provided with a list of 30 eligible cooked hams selected by the experimenters. A total of 2758 evaluations were collected (an average of 5.7 evaluations per consumer). During the second phase (fall 2020, lab experiment), a selection of 16 cooked hams were evaluated at blind by 86 consumers in a sensory analysis laboratory using a complete balanced design. Sensory evaluation at home and in the laboratory included liking Just-About-Right (colour, fat, salt and texture) measurements. In the field experiment, consumers were additionally asked to describe with free comments the appearance, texture and flavour of tested hams and of a virtual "ideal ham". They also had to report the price they paid for a pack of four slices of ham and their intentions to repurchase the tested hams. Other data on cooked hams included actual salt and fat contents (measured using physicochemical analyses) and information displayed on the packaging (type of brand, nutritional claims, labels). This dataset offers a broad overview of the perception and the appreciation of cooked hams representative of the French market, and it could allow the joint analysis of intrinsic and extrinsic food properties. Moreover, this data paper describes an innovative protocol of field experiment bridging the gap between the controlled lab environment (panelized consumers, selection of the list of hams by the experimenter) and the real-life settings (hams chosen by the consumers and tasted at home with access to information). Such a protocol could be reused to collect large sensory datasets and aggregate them into open databases interoperable with other food databases (nutritional, economic, sustainability, etc.).

"I must make the grade!": the role of cognitive appraisals, irrational beliefs, exam anxiety, and affect, in the academic self-concept of undergraduate students.

BACKGROUND AND OBJECTIVES: Examination anxiety is a common occurrence, and is potentially detrimental to student attainment. In recent theorizing, it has been suggested that cognitive appraisals, as put forth in cognitive appraisal theory, and irrational beliefs, as put forth in rational emotive behavior therapy, may interact to predict affectivity. The current research examines the antecedents and associates of examination affect and academic self-concept in undergraduate students. DESIGN: A preliminary study applied confirmatory factor analysis (CFA) to test the factor structure of an irrational beliefs inventory. Study 1 utilized a cross-sectional and correlational approach to testing core theoretical assumptions. Study 2 took a two-wave longitudinal and path analytical approach to examine temporal effects between target variables. METHOD: All self-report data collection took place in the United Kingdom with university students. We recruited n = 1150, n = 362, n = 662 for preliminary, study 1, and study 2, respectively. RESULTS: Across studies, data indicated that a pattern of adaptive cognitive appraisal was associated with more advantageous affectivity, and better academic self-concept. CONCLUSIONS: Reciprocal temporal relationships were revealed between many variables, supporting an interactive and bidirectional view of how cognition and affect are related pertaining to examination anxiety.

Nocturnal exposure to a preferred ambient scent does not affect dream emotionality or post-sleep core affect valence in young adults.

Emotions experienced within sleep mentation (dreaming) affect mental functioning in waking life. There have been attempts at enhancing dream emotions using olfactory stimulation. Odors readily acquire affective value, but to profoundly influence emotional processing, they should bear personal significance for the perceiver rather than be generally pleasant. The main objective of the present sleep laboratory study was to examine whether prolonged nocturnal exposure to self-selected, preferred ambient room odor while asleep influences emotional aspects of sleep mentation and valence of post-sleep core affect. We asked twenty healthy participants (12 males, mean age 25 ± 4 years) to pick a commercially available scented room diffuser cartridge that most readily evoked positively valenced mental associations. In weekly intervals, the participants attended three sessions. After the adaptation visit, they were administered the odor exposure and odorless control condition in a balanced order. Participants were awakened five minutes into the first rapid eye movement (REM) stage that took place after 2:30 a.m. and, if they had been dreaming, they were asked to rate their mental sleep experience for pleasantness, emotional charge, and magnitude of positive and negative emotions and also to evaluate their post-sleep core affect valence. With rs < 0.20, no practically or statistically significant differences existed between exposure and control in any outcome measures. We conclude that in young, healthy participants, the practical value of olfactory stimulation with self-selected preferred scents for enhancement of dream emotions and post-sleep core affect valence is very limited.

Are cash incentives always king? A randomized controlled trial evaluating hedonic versus cash incentives (TEH-C).

Introduction: Physical inactivity is a risk factor for obesity and non-communicable diseases. Despite myriad health and non-health benefits resulting from physical activity (PA), most individuals do not meet PA recommendations. Providing an incentive for meeting activity goals may increase activity levels. Classical economists argue that cash is the best incentive. Behavioral economists have posited that hedonic (pleasurable) incentives (e.g., massages, restaurant meals) may be superior to cash when incentives are offered over multiple time periods. To date, no studies have directly compared the effectiveness of cash versus hedonic incentives in promoting PA across multiple time periods. Methods: We conducted a two-arm, parallel, 4-month randomized controlled trial with healthy adults in Singapore where participants were randomized to either cash or hedonic incentives. Participants could earn up to SGD50 (≈USD37) in cash or hedonic incentives each month they met the study's step target of 10,000 steps daily on at least 20/25 days out of the first 28 days of a month. The primary objective was to compare the mean proportion of months that participants met the step target between the two arms. Results: By month 4, participants in the cash (N = 154) and hedonic incentive (N = 156) arms increased their mean daily steps by 870 (p < 0.001) and 1,000 steps (p < 0.001), respectively. The mean proportion of months the step target was achieved was 90.53 and 88.34 for participants in the cash and hedonic incentive arms respectively, but differences across arms were small and not statistically significant for this or any outcome assessed. Conclusion: Our findings suggest that both cash and hedonic incentives are effective at promoting physical activity but that neither strategy is clearly superior.Clinical trial registration: ClinicalTrials.gov, NCT04618757 registered on November 6, 2020.

Association between hedonic hunger and body mass index in adults: A systematic review and meta-analysis.

Hedonic hunger has been proposed as one of the important causes of obesity in recent years. In the present study, we systematically reviewed and meta-analyzed the relationship between hedonic hunger and body mass index (BMI) in healthy adults. PubMed, Web of Science, and Scopus were searched until January 19, 2023. All English-language original observational studies conducted on healthy adult subjects, which used the Power of Food Scale (PFS) to evaluate hedonic hunger were included. Quality assessment was done using the Joanna Briggs Institute checklist, and StataMP-17 software was used for the meta-analysis. After screening, 25 observational studies with a total of 14457 participants were included. Twenty-four studies were cross-sectional, and one was a cohort study. Twenty-two studies examined both sexes, two studies were conducted only on women, and one study conducted analysis separately on men and women. The results of the meta-analysis showed a positive and significant association between hedonic hunger and BMI with a small effect size (r = 0.13, 95% CI: 0.08, 0.18). In addition, a positive significant association was observed between subscales of PFS ("food available", "food present", and "food tasted") and BMI. The association between hedonic hunger and BMI was not affected by the results of meta-regression analysis of %female, mean age & BMI, and sample size. In conclusion, there was a positive significant association between hedonic hunger and BMI, but the effect size was weak. Considering the low quality of included studies, we need longitudinal design studies considering the association between these two variables as a primary outcome for a more accurate conclusion.

Unveiling the veil: exploring how wellbeing motivations shape anonymous and public prosocial behavior in Indonesia.

Indonesia is often regarded as a country with a strong inclination toward prosocial behavior, with both public and anonymous acts of kindness being commonplace. However, there is a notable gap in related research regarding the predictors of such behaviors. Previous studies have highlighted how individuals with diverse motives for wellbeing are inclined to either assist or hinder others. The present study explored the role of eudaimonic, hedonic, and extrinsic motives for wellbeing in predicting public and anonymous prosocial behavior. Using convenience sampling, 254 Indonesian undergraduate students (18-25 years old) from a private university participated in an online survey. The data were analyzed with correlational design and structural equation modelling. The findings revealed that the eudaimonic motive for wellbeing positively predicted anonymous prosocial behavior. Interestingly, no significant impact of hedonic motives on either public or anonymous prosocial behavior was observed. On the other hand, the extrinsic motive for wellbeing emerged as a positive predictor of public prosocial behavior. The absence of a discernible effect of the hedonic motive on either form of prosocial behavior highlights the need for further research into the complex interplay between motives for well-being and altruistic actions. This research represents a pioneering exploration into the distinct impacts of individuals' pursuit of wellbeing on their approaches to altruistic actions, providing valuable insights for understanding and promoting prosocial behavior in society.

What do we really know about age-related stereotypes and well-being of older adults? A commentary on the state of the art.

There is a considerable body of literature on harmful consequences of age-related stereotypes-including consequences on physical and mental health. However, this commentary critically argues that the current state of the art disregards consequences of these stereotypes specifically for the well-being of older adults (i.e., outcome that is not to be confounded with mental health). To this end, the content of age-related stereotypes and the mechanisms through which they operate on physical and mental health are first outlined. The commentary then focuses on the very scarce evidence documenting how and when the well-being of older adults (as assessed directly and not as inferred from other indicators) is influenced by self-directed stereotypes. After setting out possible ways well-being may be involved in the relationship between self-directed stereotypes and physical and mental health of older adults, the present commentary argues that a better understanding of well-being would benefit strategies targeting the reduction of age-related stereotypes. Overall, this commentary on the state of the art highlights that future research is still needed to better understand both the direct and indirect relationships between age-related stereotypes and well-being that is not reducible to positive experiences of life (or hedonic well-being) but also comprises an eudaimonic component.

Sensory and Physical Properties of Fibrous Meat Analogs Made from Faba Bean, Pea, and Oat Using High-Moisture Extrusion.

Faba bean is a promising source of ingredients for the production of meat analogs. However, sensory properties of faba bean, especially the bitter taste of the protein concentrate, restrict its use. Our aim was to assess the feasibility of two types of faba bean ingredients-flour (from germinated, gently heat-treated beans) and groat (from non-germinated, roasted beans)-in combination with pea protein isolate and oat fiber concentrate for producing meat analogs using high-moisture extrusion. We produced six samples using varying recipes, while maintaining constant process parameters. An untrained panel (55 participants) evaluated the samples for key sensory attributes (check-all-that-apply) and rated their pleasantness. The water absorption capacity and mechanical properties of the samples were assessed using instrumental measurements. The samples were frequently described as 'beany' and 'tasteless', but very rarely as 'bitter'. The most frequently cited attributes for mouthfeel varied between the samples containing 30% ('tough', 'gummy') and 50% ('crumbly', 'floury') of faba bean flour/groat and were associated with corresponding mechanical properties. On average, the sample containing a blend of faba bean groat and pea protein isolate (50% each) appeared to be the most pleasant. Our results suggest that faba bean groat with pea protein isolate enables the production of fibrous meat analogs with acceptable taste and texture, without the bitter off-taste.

Acceptability of an Orange-Flavoured Zinc Sulphate Dispersible Tablet in the Management of Acute Diarrhoea in Under-five Children in Lagos, Nigeria.

BACKGROUND: Acute diarrhoea is a significant cause of morbidity and mortality in children under five, especially in subSaharan Africa. The WHO recommends using oral rehydration solution (ORS) and zinc therapy for its management, but the metallic taste of zinc often hinders adherence. METHOD: This prospective open-label intervention study took place at three health facilities in Lagos, Southwest Nigeria, involving children aged 3 to 59 months with acute diarrhoea. Sociodemographic and diarrhoea-related data were obtained. Palatability was assessed using a 5-point hedonic scale, and adherence was determined by the proportion of prescribed zinc sulfate tablets consumed. Caregivers received a 10-day supply of the study drug and ORS sachets for each child, along with participant diaries for tracking drug intake, palatability scores, and adverse events. Follow-up was conducted on Days 3 and 7, and diaries were collected between Days 10 and 14. RESULTS: Out of the 294 participants, most caregivers were mothers (86.0%), had at least a secondary education (88.1%), and were employed (70.7%). The majority of children were male (54.2%), and under 18 months old (52.2%). The average palatability score was 2.65 (±0.78), with no significant differences based on age or gender. Mean adherence was 93.03%, with 89.3% achieving ≥80% adherence, and adherence did not significantly differ by age or gender. The only reported adverse event, vomiting, decreased from 18.8% on Day 1 to 0.5% on Day 10. CONCLUSION: The study indicates that the orange-flavored dispersible zinc sulfate tablet is well-accepted by children aged 3 to 59 months with acute diarrhoea in Lagos, Nigeria.

CONTEXTE: La diarrhée aiguë est une cause significative de morbidité et de mortalité chez les enfants de moins de cinq ans, en particulier en Afrique subsaharienne. L'OMS recommande l'utilisation de la solution de réhydratation orale (SRO) et de la thérapie au zinc pour sa prise en charge, mais le goût métallique du zinc entrave souvent l'observance. MÉTHODE: L'étude d'intervention prospective à ciel ouvert a eu lieu dans trois établissements de santé à Lagos, dans le sud-ouest du Nigeria, impliquant des enfants de 3 à 59 mois souffrant de diarrhée aiguë. Des données sociodémographiques et liées à la diarrhée ont été obtenues. La palatabilité a été évaluée à l'aide d'une échelle hédonique à 5 points, et l'observance a été déterminée par la proportion de comprimés de sulfate de zinc prescrits consommés. Les aidants ont reçu une provision de 10 jours du médicament de l'étude et des sachets de SRO pour chaque enfant, ainsi que des journaux de suivi pour noter la prise du médicament, les scores de palatabilité et les événements indésirables. Un suivi a été effectué aux jours 3 et 7, et les journaux ont été collectés entre les jours 10 et 14. RÉSULTATS: Sur les 294 participants, la plupart des aidants étaient des mères (86,0%), avaient au moins une éducation secondaire (88,1%), et étaient employées (70,7%). La majorité des enfants étaient de sexe masculin (54,2%) et avaient moins de 18 mois (52,2%). La note moyenne de palatabilité était de 2,65 (±0,78), sans différences significatives en fonction de l'âge ou du sexe. L'observance moyenne était de 93,03%, avec 89,3% atteignant une observance ≥ 80%, et l'observance ne différait pas de manière significative en fonction de l'âge ou du sexe. Le seul événement indésirable signalé, les vomissements, est passé de 18,8% le jour 1 à 0,5% le jour 10. CONCLUSION: L'étude indique que le comprimé de sulfate de zinc dispersible à l'arôme d'orange est bien accepté par les enfants de 3 à 59 mois souffrant de diarrhée aiguë à Lagos, au Nigeria. MOTS-CLÉS: Diarrhée, moins de cinq ans, Enfants, Arôme d'orange, Comprimés de zinc, Palatabilité, Acceptabilité, Échelle hédonique, Lagos, Nigeria.

Development of Health-Promoting Edible Cricket Products by Using Sensory Evaluation Techniques.

BACKGROUND: In the fields of food science and technology, sensory evaluation is extensively studied to assess personal perception and acceptability. However, studies on Thai consumers' personal perceptions of and acceptability of food products containing crickets have not been conducted. OBJECTIVES: The overall goal of this study was to find out how well-liked two food products containing house crickets were by Thai customers in good health regarding their sensory qualities. METHODS: The 3-point Just-About-Right (JAR) scale measured the foods' sensory characteristics, including thickness, color, odor, sweetness, and saltiness. Food product approval among consumers was assessed using the 9-point Hedonic scale. Nutrient density was measured using the nutrient-rich foods (NRF) index, highlighting the potential health benefits of these products. RESULTS: For every attribute, the goodness-of-fit score of the cricket puffed rice (CPR) was higher than 70%. The cricket-galangal chili paste (CGCP) received a score of greater than 70% for color and odor, but the sweetness was required more since it had a JAR score of 53.3 percent. The customer acceptance scores of CPR and CGCP were 6.63-7.60 and 6.60-7.50 on the 9-point Hedonic scale. The NRF indices of the CPR and CGCP were 19.19 and 20.44 (intermediate levels). CONCLUSION: There was no need for improvements in the cricket puffed rice product, but cricket-galangal chili paste should be improved. Further study on nutrition facts is required.

Examining the relationship between pro-environmental consumption behaviour and hedonic and eudaimonic motivation.

The present study examines the factors that influence the adoption of environmentally friendly products and environmentally conscious consumption by individuals. The conceptual framework incorporates environmental knowledge, perceived behavioral control, environmental concern, and perceived consumer efficacy in order to highlight the factors that contribute to environmental consciousness. Incorporating the theories of reasoned action and planned behavior, 479 participants completed structured questionnaires as part of this study. The study examined the mediating effects of hedonic and eudaimonic perspectives, in addition to the moderating effects of age and consumer attributes. Structural Equation Modeling Artificial Neural Networks (SEM ANN) were utilized for validation. Findings confirm the substantial influence of predictors from the Theory of Planned Behavior on hedonic motivation, amplifying cognitive rational processes and ultimately resulting in satisfaction and repeat product purchases. Individuals are driven by eudaimonic motivations to take part in sustainable actions, even if they have limited environmental knowledge. This reflects their deeper values of fulfillment and social responsibility. Generation Z and millennials have unique motivations that influence their decision to purchase green products. Regular buyers' hedonic motivations have a significant impact on their purchase intentions, whereas eudaimonic motivations consistently influence purchase decisions regardless of the type of buyer. The findings of the study offer significant insights for marketers of environmentally friendly products, enabling them to comprehend the aspects that impact pro-environmental considerations and successfully establish their green products as a brand.

Hedonic hunger, ultra-processed food consumption, and the moderating effects of impulsivity in pregnant individuals with body mass index ≥ 25.

Evidence suggests higher hedonic hunger (preoccupation with/desire to consume food for pleasure) is associated with greater ultra-processed food (UPF) consumption in non-pregnant individuals with higher, but not lower, self-report impulsivity or delay discounting. The current study tested the association between hedonic hunger and UPF consumption, and the moderating effects of self-report impulsivity and delay discounting, during pregnancy. Individuals (N = 220) with body mass index (BMI)≥25 completed the Power of Food Scale, 24-h dietary recalls, and Barratt Impulsiveness Scale-Version 11 in early-mid pregnancy. A subset enrolled in an ancillary study (n = 143) completed a Delay Discounting Task. Linear regression and moderation models covaried for age, gestational age, pre-pregnancy BMI, and socioeconomic status. The association between hedonic hunger and UPF consumption was nonsignificant (p = 0.47). Self-report impulsivity was not a significant moderator (p = 0.11), but delay discounting was (p = 0.01). Simple slopes analysis revealed a one-unit increase in hedonic hunger was associated with 7% lower UPF intake among participants with lower (M+1SD) delay discounting (p = 0.01) and 1% higher UPF intake among those with higher (M-1SD) delay discounting (p = 0.57). Findings contrast those from research with non-pregnant samples and indicate lower delay discounting may serve as a protective factor, associated with reduced UPF consumption at higher levels of hedonic hunger, during pregnancy.

Cross-sectional association study of hedonic hunger, self-control, cognitive distortion, and well-being with adiposity measures among a sample of urban Malaysian adults.

BACKGROUND: We assessed the association of hedonic hunger, self-control (impulsivity and restraint), cognitive distortion (CD), and well-being with adiposity measures such as waist circumference (WC), waist-to-hip ratio (WHR), waist-to-height ratio (WHtR), body mass index (BMI), total body fat (TBF), subcutaneous fat (SF), visceral fat level (VFL), skeletal muscle percentage (SM), and resting metabolism (RM), among a sample of urban Malaysian adults at Sunway University and Sunway College, Selangor, Malaysia. METHODS: Among 186 participants (M/F = 51/135; aged 22.1 ± 5.0), psychometrics were assessed using Power of Food Scale (PFS), Brief Self-Control Scale, CD Questionnaire (CD-Quest), and WHO-5 Well-being Index. Blood pressures, anthropometrics and body compositions were also measured using standard methods and bioimpedance. RESULTS: Men had significantly higher well-being, but lower overall self-control, impulsivity and Food Available hedonic hunger. Those with moderate/severe CD had higher odds ratio (OR) of having high central adiposity, compared with those with absent/slight CD (OR: 2.52;95% CI: 1.14, 5.61; p = 0.023 for WC and OR: 2.50; 95% CI: 1.19, 5.23; p = 0.015 for WHR). Higher CD and PFS scores were strongly significantly correlated with higher systolic blood pressure (SBP), WC, WHR, WHtR, BMI, TBF, SF, VFL and RM. Lower self-control was weakly correlated with higher WC, while lower impulsivity and restraint were weakly correlated with higher VFL. Those who were overweight, obese, and in high TBF class had significantly higher PFS Aggregate Factor scores. Food Available and Food Present scores, but not Food Tasted, were also significantly higher among overweight participants. CONCLUSIONS: Higher hedonic hunger and CD were associated with higher SBP and all adiposity measures. Overweight participants had higher hedonic hunger in the context of ready availability and physical presence of highly palatable foods. Lower self-control was weakly correlated with higher central adiposity; lower impulsivity and restraint were weakly correlated with higher visceral adiposity. These findings have provided some insights into the cognitive factors underlying adiposity.

Decoding the influence of central LEAP2 on food intake and its effect on accumbal dopamine release.

The gut-brain peptide ghrelin and its receptor are established as a regulator of hunger and reward-processing. However, the recently recognized ghrelin receptor inverse agonist, liver-expressed antimicrobial peptide 2 (LEAP2), is less characterized. The present study aimed to elucidate LEAP2s central effect on reward-related behaviors through feeding and its mechanism. LEAP2 was administrated centrally in mice and effectively reduced feeding and intake of palatable foods. Strikingly, LEAP2s effect on feeding was correlated to the preference of the palatable food. Further, LEAP2 reduced the rewarding memory of high preference foods, and attenuated the accumbal dopamine release associated with palatable food exposure and eating. Interestingly, LEAP2 was widely expressed in the brain, and particularly in reward-related brain areas such as the laterodorsal tegmental area (LDTg). This expression was markedly altered when allowed free access to palatable foods. Accordingly, infusion of LEAP2 into LDTg was sufficient to transiently reduce acute palatable food intake. Taken together, the present results show that central LEAP2 has a profound effect on dopaminergic reward signaling associated with food and affects several aspects of feeding. The present study highlights LEAP2s effect on reward, which may have applications for obesity and other reward-related psychiatric and neurological disorders.

Children's odor pleasantness ratings may not differ according to pubertal status: Preliminary results from a sample of 11-14-year-old Czech children.

Puberty tends to be viewed as a "turning point" in hedonic perception of body odor (BO)-related smells. The pubertal stage, a potential proxy for the underlying physiological changes, may contribute to variation in odor hedonic perception. Other potential modulators of odor hedonics are general semantic knowledge about odors (which also tends to be subsumed under the term "age") and perceived odor intensity. The present cross-sectional study examined differences in hedonic odor perception across puberty in 205 Czech children aged 11-14 (89 boys). We investigated whether children differ in the hedonic appraisal of BO-related (16-androstenes and castoreum control), but also food and non-food odors according to their pubertal (penis/breast and pubic hair) development and general semantic knowledge about odors (operationalized as odor identification), controlling for age and perceived odor intensity. As a subsidiary aim, we examined variation in odor identification. We asked the children to self-stage themselves using drawings depicting Tanner's penis/breast and pubic hair stages of pubertal development, estimated their general semantic knowledge about odors with a Sniffin' Sticks identification test, and obtained their pleasantness and intensity ratings of body odor-related, food, a non-food smells. We found that the participants' ratings of the 16-androstenes and those of the perceptually similar odor of castoreum differed according to perceived intensity and, in the latter case, in boys vs. girls as well, but there were no influences of pubertal status or odor identification on the perceived pleasantness. Similarly, hedonic appraisal of non-food (but not food) odors was only influenced by perceived intensity. Regarding odor identification, differences between boys and girls were limited to younger children and did not become more marked throughout puberty. Perceived pleasantness of odors, irrespective of whether they are associated with body smells, food, or other, does not appear to vary across puberty, and boys and girls seem to achieve similar levels of semantic odor knowledge as they grow up.