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https://www.readbyqxmd.com/read/29046305/neuromodulation-directed-at-the-prefrontal-cortex-of-subjects-with-obesity-reduces-snack-food-intake-and-hunger-in-a-randomized-trial
#1
Sascha Heinitz, Martin Reinhardt, Paolo Piaggi, Christopher M Weise, Enrique Diaz, Emma J Stinson, Colleen Venti, Susanne B Votruba, Eric M Wassermann, Miguel Alonso-Alonso, Jonathan Krakoff, Marci E Gluck
Background: Obesity is associated with reduced activation in the left dorsolateral prefrontal cortex (DLPFC), a region of the brain that plays a key role in the support of self-regulatory aspects of eating behavior and inhibitory control. Transcranial direct current stimulation (tDCS) is a noninvasive technique used to modulate brain activity.Objectives: We tested whether repeated anodal tDCS targeted at the left DLPFC (compared with sham tDCS) has an immediate effect on eating behavior during ad libitum food intake, resulting in weight change, and whether it might influence longer-term food intake-related appetite ratings in individuals with obesity...
October 18, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29037599/neural-basis-of-ventromedial-hypothalamic-oxytocin-driven-decrease-in-appetite
#2
Oscar A Klockars, Joseph R Waas, Anica Klockars, Allen S Levine, Pawel K Olszewski
OBJECTIVES: Oxytocin (OT) administration in the ventromedial hypothalamic nucleus (VMH) reduces chow intake. The nature of VMH OT's anorexigenic action remains unclear. Here we provide insight into neural mechanisms underlying VMH OT-driven anorexia by (a) identifying feeding-related brain sites activated by VMH OT injection; (b) measuring VMH OT receptor (OTr) mRNA changes in response to hunger and palatability; and (c) examining how VMH OT affects episodic sweet solution intake in sated and hungry rats...
October 13, 2017: Neuroscience
https://www.readbyqxmd.com/read/29031183/childhood-hunger-and-depressive-symptoms-in-adulthood-findings-from-a-population-based-study
#3
Andrew Stickley, Mall Leinsalu
BACKGROUND: Several studies have linked childhood hunger to an increased risk for later depression. However, as yet, there has been little research on this relation in adults of all ages or whether there are sex differences in this association. The current study examined these issues using data from a national population-based sample. METHODS: Data were analyzed from 5095 adults aged 25-84 collected during the Estonian Health Interview Survey 2006. Information was obtained on the frequency of going to bed hungry in childhood and on depressive symptoms using the Emotional State Questionnaire (EST-Q)...
September 14, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29030901/disrupted-integration-of-exteroceptive-and-interoceptive-signaling-in-autism-spectrum-disorder
#4
Jean-Paul Noel, Marisa Lytle, Carissa Cascio, Mark T Wallace
In addition to deficits in social communication, individuals diagnosed with Autism Spectrum Disorder (ASD) frequently exhibit changes in sensory and multisensory function. Recent evidence has focused on changes in audiovisual temporal processing, and has sought to relate these sensory-based changes to weaknesses in social communication. These changes in audiovisual temporal function manifest as differences in the temporal epoch or "window" within which paired auditory and visual stimuli are integrated or bound, with those with ASD exhibiting expanded audiovisual temporal binding windows (TBWs)...
October 14, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/29024666/dynamics-of-gut-brain-communication-underlying-hunger
#5
Lisa R Beutler, Yiming Chen, Jamie S Ahn, Yen-Chu Lin, Rachel A Essner, Zachary A Knight
Communication between the gut and brain is critical for homeostasis, but how this communication is represented in the dynamics of feeding circuits is unknown. Here we describe nutritional regulation of key neurons that control hunger in vivo. We show that intragastric nutrient infusion rapidly and durably inhibits hunger-promoting AgRP neurons in awake, behaving mice. This inhibition is proportional to the number of calories infused but surprisingly independent of macronutrient identity or nutritional state...
October 11, 2017: Neuron
https://www.readbyqxmd.com/read/29022083/adolescent-cannabinoid-exposure-effects-on-natural-reward-seeking-and-learning-in-rats
#6
H Schoch, M Y Huerta, C M Ruiz, M R Farrell, K M Jung, J J Huang, R R Campbell, D Piomelli, S V Mahler
RATIONALE: Adolescence is characterized by endocannabinoid (ECB)-dependent refinement of neural circuits underlying emotion, learning, and motivation. As a result, adolescent cannabinoid receptor stimulation (ACRS) with phytocannabinoids or synthetic agonists like "Spice" cause robust and persistent changes in both behavior and circuit architecture in rodents, including in reward-related regions like medial prefrontal cortex and nucleus accumbens (NAc). OBJECTIVES AND METHODS: Here, we examine persistent effects of ACRS with the cannabinoid receptor 1/2 specific agonist WIN55-212,2 (WIN; 1...
October 11, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28992388/impact-of-nutrition-interventions-on-pediatric-mortality-and-nutrition-outcomes-in-humanitarian-emergencies
#7
REVIEW
Kamna S Balhara, David M Silvestri, W Tyler Winders, Anand Selvam, Sean M Kivlehan, Torben K Becker, Adam C Levine
OBJECTIVES: Malnutrition contributes to pediatric morbidity and mortality in disasters and complex emergencies, but summary data describing specific nutritional interventions in these settings are lacking. This systematic review aims to characterize such interventions and their effects on pediatric mortality, anthropometric measures, and serum markers of nutrition. METHODS: A systematic search of OVID Medline, Cochrane Library, and relevant grey literature was conducted...
October 9, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28989578/chia-seed-salvia-hispanica-l-added-yogurt-reduces-short-term-food-intake-and-increases-satiety-randomised-controlled-trial
#8
Aylin Ayaz, Asli Akyol, Elif Inan-Eroglu, Arzu Kabasakal Cetin, Gulhan Samur, Filiz Akbiyik
BACKGROUND/OBJECTIVES: Several studies have reported that consumption of Salvia Hispanica L.,commonly known as chia seed, may exert beneficial effects on health outcomes. The main purpose of this study was to examine the influence of chia seed consumption as a mid-morning snack on short-term satiety. SUBJECTS/METHODS: Subjects (n = 24) were tested using a randomized, cross-over design consisting of three mid-morning snacks. Yogurt with no chia seed, yogurt with 7 g chia seed, and yogurt with 14 g chia seed were given to subjects on different test days...
October 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28976046/positive-effects-of-refugee-presence-on-host-community-nutritional-status-in-turkana-county-kenya
#9
Rieti G Gengo, Rahul C Oka, Varalakshmi Vemuru, Mark Golitko, Lee T Gettler
OBJECTIVES: Refugee camps are often assumed to negatively impact local host communities through resource competition and conflict. We ask instead whether economic resources and trade networks associated with refugees have benefits for host community health and nutrition. To address this question we assess the impacts of Kakuma Refugee Camp in northwest Kenya, comparing anthropometric indicators of nutritional status between Turkana communities in the region. METHODS: Participants were recruited at four sites in Turkana County (N = 586): Kakuma Town, adjacent to Kakuma Refugee Camp; Lorugum, an area with sustained economic development; Lokichoggio, formerly host to international NGOs, and now underdeveloped; and Lorengo, an undeveloped, rural community...
October 4, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28965176/influence-of-rice-pea-and-oat-proteins-in-attenuating-glycemic-response-of-sugar-sweetened-beverages
#10
Sze-Yen Tan, Phei Ching Siow, Elaine Peh, Christiani Jeyakumar Henry
PURPOSE: Liquids have higher ingestion and gastric-emptying rates, resulting in rapid glycemic response. They are also less satiating than solid foods. This study examined if the addition of plant proteins alter postprandial glucose, insulin, triglycerides, glucose-dependent insulinotropic peptide (GIP), glycogen-like peptide-1 (GLP-1) and appetitive responses to a sugar-sweetened beverage. METHODS: This was a randomized, crossover acute feeding study consisting of four treatments: chocolate beverage alone (50 g carbohydrate), or added with 24 g oat, pea or rice proteins...
September 30, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28957015/hunger-as-a-context-food-seeking-that-is-inhibited-during-hunger-can-renew-in-the-context-of-satiety
#11
Scott T Schepers, Mark E Bouton
At the end of a diet, even a successful one, people often return to overeating. One potential reason is that the behavioral inhibition that people learn while dieting might not readily transfer outside the context in which it is learned: Basic research indicates that after a behavior is inhibited, a return to the conditioning context or simple removal from the treatment context can cause the behavior to return (i.e., to renew). Can states of hunger and satiety play the role of context? In two experiments, rats learned a food-seeking response that earned sucrose or sweet, fatty food pellets while they were satiated...
September 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/28938876/assessment-of-the-effect-of-larval-source-management-and-house-improvement-on-malaria-transmission-when-added-to-standard-malaria-control-strategies-in-southern-malawi-study-protocol-for-a-cluster-randomised-controlled-trial
#12
Robert S McCann, Henk van den Berg, Peter J Diggle, Michèle van Vugt, Dianne J Terlouw, Kamija S Phiri, Aurelio Di Pasquale, Nicolas Maire, Steven Gowelo, Monicah M Mburu, Alinune N Kabaghe, Themba Mzilahowa, Michael G Chipeta, Willem Takken
BACKGROUND: Due to outdoor and residual transmission and insecticide resistance, long-lasting insecticidal nets (LLINs) and indoor residual spraying (IRS) will be insufficient as stand-alone malaria vector control interventions in many settings as programmes shift toward malaria elimination. Combining additional vector control interventions as part of an integrated strategy would potentially overcome these challenges. Larval source management (LSM) and structural house improvements (HI) are appealing as additional components of an integrated vector management plan because of their long histories of use, evidence on effectiveness in appropriate settings, and unique modes of action compared to LLINs and IRS...
September 22, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28938473/the-role-of-episodic-postprandial-peptides-in-exercise-induced-compensatory-eating
#13
Catherine Gibbons, John E Blundell, Phillipa Caudwell, Dominic-Luc Webb, Per M Hellström, Erik Näslund, Graham Finlayson
Purpose: Prolonged physical activity gives rise to variable degrees of body weight and fat loss, and is associated with variability in appetite control (hunger and energy intake). Whether these effects are modulated by postprandial 'episodic' peptides is unclear. We examined the role of postprandial peptide response in compensatory eating during 12-weeks aerobic exercise and in response to high (HFLC) and low fat (LFHC) meals. Methods: 32 overweight/obese individuals - 16 completed 12-weeks aerobic exercise and 16 were age- and BMI-matched non-exercising controls...
August 18, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28937862/the-effect-of-preoperative-oral-carbohydrate-on-breastfeeding-after-cesarean-section-a-double-blind-randomized-controlled-clinical-trial
#14
Razieh Khalooei Fard, Zohre Tabassi, Mostafa Qorbani, Saeed Hosseini
Delay in the initiation of breastfeeding is one of the problems of cesarean section. Its causes are insulin resistance, pain, anxiety, stress, thirst, hunger, and so on. Preoperative oral carbohydrate (OCH) reduces postoperative insulin resistance and improves postoperative recovery. The present study was conducted to evaluate the effect of preoperative oral carbohydrate on breastfeeding after cesarean section. In this double-blind randomized clinical trial, 91 pregnant women who underwent elective cesarean section were randomly assigned to preoperative OCH (Nutricia Preop; n = 45) or control group (water flavored with lemon; n = 46)...
September 22, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28935433/intersectorality-and-social-participation-as-coping-policies-for-health-inequities-worldwide
#15
Regina Celia Fiorati, Ricardo A Arcêncio, Javier Segura Del Pozo, Milagros Ramasco-Gutiérrez, Pilar Serrano-Gallardo
OBJECTIVE: To determine the impact that intersectoral policies and social participation, implemented worldwide, have had on the modification of the social determinants for health and on the reduction of social health inequities. METHOD: A scoping review of the literature published in the period 2005-2015 was performed. The literature search was conducted on PubMed and Scielo databases. Two researchers reviewed each document. Data were analysed according to the intersectoral action and social participation variables and according to the theoretical frameworks of the Social Determinants Model of the Commission on Social Determinants of Health (CSDH) and the theoretical constructs of Social Capital (SC) and Life Course (LC)...
September 18, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28917947/effect-of-meal-glycemic-load-and-caffeine-consumption-on-prolonged-monotonous-driving-performance
#16
Christopher Bragg, Ben Desbrow, Susan Hall, Christopher Irwin
OBJECTIVE: Monotonous driving involves low levels of stimulation and high levels of repetition and is essentially an exercise in sustained attention and vigilance. The aim of this study was to determine the effects of consuming a high or low glycemic load meal on prolonged monotonous driving performance. The effect of consuming caffeine with a high glycemic load meal was also examined. METHOD: Ten healthy, non-diabetic participants (7 males, age 51±7yrs, mean±SD) completed a repeated measures investigation involving 3 experimental trials...
November 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28899652/predicting-preschool-children-s-eating-in-the-absence-of-hunger-from-maternal-pressure-to-eat-a-longitudinal-study-of-low-income-latina-mothers
#17
Lionor Galindo, Thomas G Power, Ashley D Beck, Jennifer Orlet Fisher, Teresia M O'Connor, Sheryl O Hughes
Early work by Klesges et al. (1983, 1986) suggested that mothers who frequently prompt their children to eat have children at greater risk for obesity. This is consistent with the hypothesis that controlling feeding practices override children's responsiveness to their internal fullness cues, increasing the risk of overeating and obesity (e.g., Johnson & Birch, 1994). Subsequent cross-sectional research on pressure to eat, however, has been inconsistent. Most studies have shown that maternal self-reports of pressure to eat are negatively associated with childhood obesity, and observational studies showed inconsistent relationships with child weight status...
September 9, 2017: Appetite
https://www.readbyqxmd.com/read/28898708/cue-exposure-therapy-reduces-overeating-of-exposed-and-non-exposed-foods-in-obese-adolescents
#18
Ghislaine Schyns, Anne Roefs, Fren T Y Smulders, Anita Jansen
BACKGROUND AND OBJECTIVES: This study tested whether two sessions of food cue exposure therapy reduced eating in the absence of hunger (EAH), specified for exposed and non-exposed food, in overweight and obese adolescents, and whether habituation of food cue reactivity and reduced CS-US expectancies predicted a decrease in EAH. METHODS: 41 overweight adolescents (aged 12-18 years) were randomly assigned to a cue exposure intervention or a lifestyle intervention (control condition)...
September 5, 2017: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/28888462/control-of-protein-digestion-under-simulated-gastrointestinal-conditions-using-biopolymer-microgels
#19
Zipei Zhang, Ruojie Zhang, David Julian McClements
Controlling the rate and extent of protein digestion within different regions of the human gastrointestinal tract (GIT) is important for regulating hormonal responses (such as hunger, satiety, and satiation) and immune responses (such as allergenicity). In this study, hydrogel beads (biopolymer microgels) were fabricated by injecting a solution of anionic alginate molecules into a solution of cationic calcium ions using a vibrating extrusion device. A model food protein (whey protein isolate, WPI) was mixed with the alginate solution prior to bead formation...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28886468/do-drives-drive-the-train-of-thought-effects-of-hunger-and-sexual-arousal-on-mind-wandering-behavior
#20
Jan Rummel, Laura Nied
Physiological needs that are currently unfulfilled are known to affect human cognition and behavior. The present study investigates whether and how the temporary activation of two primary physiological needs, namely hunger and sexual arousal, influence both the frequency and the contents of mind-wandering episodes. To induce hunger, one group of participants fasted for a minimum of five hours whereas another group of participants was exposed to audio material with explicit sexual content to provoke sexual arousal...
October 2017: Consciousness and Cognition
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