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https://www.readbyqxmd.com/read/29768649/selection-for-associative-learning-of-colour-stimuli-reveals-correlated-evolution-of-this-learning-ability-across-multiple-stimuli-and-rewards
#1
Maartje Liefting, Katja M Hoedjes, Cécile Le Lann, Hans M Smid, Jacintha Ellers
We are only starting to understand how variation in cognitive ability can result from local adaptations to environmental conditions. A major question in this regard is to what extent selection on cognitive ability in a specific context affects that ability in general through correlated evolution. To address this question we performed artificial selection on visual associative learning in female Nasonia vitripennis wasps. Using appetitive conditioning in which a visual stimulus was offered in association with a host reward, the ability to learn visual associations was enhanced within 10 generations of selection...
May 16, 2018: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/29768152/effect-of-cannabidiol-on-drop-seizures-in-the-lennox-gastaut-syndrome
#2
Orrin Devinsky, Anup D Patel, J Helen Cross, Vicente Villanueva, Elaine C Wirrell, Michael Privitera, Sam M Greenwood, Claire Roberts, Daniel Checketts, Kevan E VanLandingham, Sameer M Zuberi
BACKGROUND: Cannabidiol has been used for treatment-resistant seizures in patients with severe early-onset epilepsy. We investigated the efficacy and safety of cannabidiol added to a regimen of conventional antiepileptic medication to treat drop seizures in patients with the Lennox-Gastaut syndrome, a severe developmental epileptic encephalopathy. METHODS: In this double-blind, placebo-controlled trial conducted at 30 clinical centers, we randomly assigned patients with the Lennox-Gastaut syndrome (age range, 2 to 55 years) who had had two or more drop seizures per week during a 28-day baseline period to receive cannabidiol oral solution at a dose of either 20 mg per kilogram of body weight (20-mg cannabidiol group) or 10 mg per kilogram (10-mg cannabidiol group) or matching placebo, administered in two equally divided doses daily for 14 weeks...
May 17, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29766697/the-assessment-of-the-nutritional-value-of-meals-consumed-by-patients-with-recognized-schizophrenia
#3
Ewa Stefańska, Agnieszka Wendołowicz, Magdalena Lech, Karolina Wilczyńska, Beata Konarzewska, Joanna Zapolska, Lucyna Ostrowska
Background: As studies show, changes in diet - so important in the therapy of psychiatric disorders and related to changes in appetite and nutritional preferences, including avoiding of the consumption of specific groups of products and dishes - are much more frequent among patients affected by schizophrenia. Objective: The aim of the study was to assess the chosen nutritional habits, including the number and type of meals usually consumed during a day, snacking between meals and the energy value and content of the chosen nutrients in the diets of persons with recognized schizophrenia...
2018: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/29766599/randomized-clinical-trial-to-evaluate-the-effectiveness-of-enrofloxacin-as-a-second-line-antibiotic-for-treatment-of-acute-escherichia-coli-mastitis
#4
Yasunori Shinozuka, Kazuhiro Kawai, Akira Takeda, Michiaki Yamada, Fumi Kayasaki, Nao Kondo, Yoshiko Sasaki, Nahoko Kanai, Takuma Mukai, Naoki Sawaguchi, Masaya Higuchi, Haruka Kondo, Kouki Sugimoto, Akane Yasuda, Aiko Watanabe
The objective of the present study was to evaluate the effectiveness of enrofloxacin (ERFX) as a second-line antibiotic for treatment of acute Escherichia coli (E. coli) mastitis. Forty-two cows with naturally occurring acute E. coli mastitis were enrolled. On the first day of treatment (day 0), empirically selected antibiotics (oxytetracycline: n = 32, kanamycin: n = 10) were administered. Although systemic signs improved in 10 cows (first-line group), the signs remained unchanged or worsened in 32 cows on day 1, including two cows that were found dead...
May 16, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29766048/phasic-stimulation-of-midbrain-dopamine-neuron-activity-reduces-salt-consumption
#5
Eleanor C Sandhu, Anushka B P Fernando, Elaine E Irvine, Kyoko Tossell, Michelle Kokkinou, Justyna Glegola, Mark A Smith, Oliver D Howes, Dominic J Withers, Mark A Ungless
Salt intake is an essential dietary requirement, but excessive consumption is implicated in hypertension and associated conditions. Little is known about the neural circuit mechanisms that control motivation to consume salt, although the midbrain dopamine system, which plays a key role in other reward-related behaviors, has been implicated. We, therefore, examined the effects on salt consumption of either optogenetic excitation or chemogenetic inhibition of ventral tegmental area (VTA) dopamine neurons in male mice...
March 2018: ENeuro
https://www.readbyqxmd.com/read/29759110/effects-of-a-multi-component-nutritional-telemonitoring-intervention-on-nutritional-status-diet-quality-physical-functioning-and-quality-of-life-of-community-dwelling-older-adults
#6
Marije N van Doorn-van Atten, Annemien Haveman-Nies, Marit M van Bakel, Monique Ferry, Maite Franco, Lisette C P G M de Groot, Jeanne H M de Vries
This study aimed to evaluate the effects of an intervention including nutritional telemonitoring, nutrition education, and follow-up by a nurse on nutritional status, diet quality, appetite, physical functioning and quality of life of Dutch community-dwelling elderly. We used a parallel arm pre-test post-test design with 214 older adults (average age 80 years) who were allocated to the intervention group (n 97) or control group (n 107), based on the municipality. The intervention group received a 6-month intervention including telemonitoring measurements, nutrition education and follow-up by a nurse...
May 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29757269/combining-quantitative-food-intake-assays-and-forcibly-activating-neurons-to-study-appetite-in-drosophila
#7
Lifen Jiang, Yinpeng Zhan, Yan Zhu
Food consumption is under the tight control of the brain, which integrates the physiological status, palatability, and nutritional contents of the food, and issues commands to start or stop feeding. Deciphering the processes underlying the decision-making of timely and moderate feeding carries major implications in our understanding of physiological and psychological disorders related to feeding control. Simple, quantitative, and robust methods are required to measure the food ingestion of animals after experimental manipulation, such as forcibly increasing the activities of certain target neurons...
April 24, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29754952/early-time-restricted-feeding-improves-insulin-sensitivity-blood-pressure-and-oxidative-stress-even-without-weight-loss-in-men-with-prediabetes
#8
Elizabeth F Sutton, Robbie Beyl, Kate S Early, William T Cefalu, Eric Ravussin, Courtney M Peterson
Intermittent fasting (IF) improves cardiometabolic health; however, it is unknown whether these effects are due solely to weight loss. We conducted the first supervised controlled feeding trial to test whether IF has benefits independent of weight loss by feeding participants enough food to maintain their weight. Our proof-of-concept study also constitutes the first trial of early time-restricted feeding (eTRF), a form of IF that involves eating early in the day to be in alignment with circadian rhythms in metabolism...
May 8, 2018: Cell Metabolism
https://www.readbyqxmd.com/read/29752382/a-neural-pathway-controlling-motivation-to-exert-effort
#9
Christophe D Proulx, Sage Aronson, Djordje Milivojevic, Cris Molina, Alan Loi, Bradley Monk, Steven J Shabel, Roberto Malinow
The neural mechanisms conferring reduced motivation, as observed in depressed individuals, is poorly understood. Here, we examine in rodents if reduced motivation to exert effort is controlled by transmission from the lateral habenula (LHb), a nucleus overactive in depressed-like states, to the rostromedial tegmental nucleus (RMTg), a nucleus that inhibits dopaminergic neurons. In an aversive test wherein immobility indicates loss of effort, LHb→RMTg transmission increased during transitions into immobility, driving LHb→RMTg increased immobility, and inhibiting LHb→RMTg produced the opposite effects...
May 11, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29748653/potential-effects-of-fat-mass-and-fat-free-mass-on-energy-intake-in-different-states-of-energy-balance
#10
REVIEW
R James Stubbs, M Hopkins, G S Finlayson, C Duarte, C Gibbons, J E Blundell
Recently models have attempted to integrate the functional relationships of fat mass (FM) and fat-free mass (FFM) with the control of human energy intake (EI). Cross-sectional evidence suggests that at or close to EB, FFM is positively related to hunger and EI, whereas FM either shows a weak negative or no association with ad libitum EI. Further analysis suggests that the effects of FFM and FM on EI may be mediated by resting metabolic rate (RMR). These studies suggest that energy turnover is associated with EI and the largest determinant of energy requirements in most humans is FFM...
May 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29747490/health-related-quality-of-life-perceived-social-support-and-depression-in-disease-free-survivors-who-underwent-curative-surgery-only-for-prostate-kidney-and-bladder-cancer-comparison-among-survivors-and-with-the-general-population
#11
Dong Wook Shin, Hyun Sik Park, Sang Hyub Lee, Seung Hyun Jeon, Seok Cho, Seok Ho Kang, Seung Chol Park, Jong Hyock Park, Jinsung Park
Purpose: The purpose of this study was to compare health-related quality of life (HRQoL) of disease-free prostate (PC), kidney (KC), and bladder cancer (BC) survivors with that of the general population. Materials and Methods: Our study included 331 urological cancer (UC) survivors (114 PC, 108 KC, and 109 BC) aged ≥ 50 years disease-free for at least 1 year after surgery. The control group included 1,177 subjects without a history of cancer. The HRQoL was assessed using the European Organization for Research and Treatment of Cancer QLQ-C30, the Duke-UNC Functional Social Support Questionnaire, and the Patient Health Questionnaire-9...
May 4, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29744873/methylphenidate-for-attention-deficit-hyperactivity-disorder-adhd-in-children-and-adolescents-assessment-of-adverse-events-in-non-randomised-studies
#12
REVIEW
Ole Jakob Storebø, Nadia Pedersen, Erica Ramstad, Maja Lærke Kielsholm, Signe Sofie Nielsen, Helle B Krogh, Carlos R Moreira-Maia, Frederik L Magnusson, Mathilde Holmskov, Trine Gerner, Maria Skoog, Susanne Rosendal, Camilla Groth, Donna Gillies, Kirsten Buch Rasmussen, Dorothy Gauci, Morris Zwi, Richard Kirubakaran, Sasja J Håkonsen, Lise Aagaard, Erik Simonsen, Christian Gluud
BACKGROUND: Attention deficit hyperactivity disorder (ADHD) is a common neurodevelopmental disorder in childhood. The psychostimulant methylphenidate is the most frequently used medication to treat it. Several studies have investigated the benefits of methylphenidate, showing possible favourable effects on ADHD symptoms, but the true magnitude of the effect is unknown. Concerning adverse events associated with the treatment, our systematic review of randomised clinical trials (RCTs) demonstrated no increase in serious adverse events, but a high proportion of participants suffered a range of non-serious adverse events...
May 9, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29744531/correction-to-effects-of-lactogen-13-a-new-probiotic-preparation-on-gut-microbiota-and-endocrine-signals-controlling-growth-and-appetite-of-oreochromis-niloticus-juveniles
#13
Giorgia Gioacchini, Elia Ciani, Andrea Pessina, Cinzia Cecchini, Stefania Silvi, Ana Rodiles, Daniel L Merrifield, Ike Olivotto, Oliana Carnevali
The original version of this article unfortunately contained mistakes in Authors First name/Family name order. Please refer to this paper as Gioacchini et al. and not as Giorgia et al.
April 23, 2018: Microbial Ecology
https://www.readbyqxmd.com/read/29742385/the-neurocognitive-mechanisms-underlying-food-cravings-and-snack-food-consumption-a-combined-continuous-theta-burst-stimulation-ctbs-and-eeg-study
#14
Cassandra J Lowe, William R Staines, Felicia Mannochio, Peter A Hall
Regulation of food cravings is thought to be critical for modulating eating behavior, yet we do not fully understand the mechanisms by which cognitive control operates in the eating context. The current study combined rTMS and EEG paradigms to examine the causal role of the left dorsolateral prefrontal cortex (dlPFC) in modulating visceral and behavioral responses to high calorie foods, and the mediational mechanisms underlying this relation. 28 right-handed female participants received both active and sham continuous theta burst stimulation (cTBS; a rTMS variant used to decrease cortical activity) targeting the left dlPFC in a counterbalanced order...
May 6, 2018: NeuroImage
https://www.readbyqxmd.com/read/29735974/clinical-research-on-the-comprehensive-curative-effect-of-acupuncture-and-traditional-chinese-medicine-for-pelvic-inflammatory-sequelae
#15
Penyuan Mao, Shujie Liu, Jianguo Xue, Yuejun Wu, Changqing Wang
BACKGROUND This randomized, controlled trial was designed to assess whether acupuncture plus an oral administration of Chinese herbal medicine provides greater relief of symptoms than oral administration of Chinese herbal medicine alone for treatment of pelvic inflammatory sequelae. MATERIAL AND METHODS Sixty-two patients ages 22 to 45 years with pelvic inflammatory sequelae were randomly assigned into one of 2 groups: an herbal group (n=30) and an herbal with acupuncture group (n=32). Both groups were treated for 3 courses of 3 months each...
May 8, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29735157/neural-correlates-of-drug-biased-choice-in-currently-using-and-abstinent-individuals-with-cocaine-use-disorder
#16
Scott J Moeller, Anna Zilverstand, Anna B Konova, Prantik Kundu, Muhammad A Parvaz, Rebecca Preston-Campbell, Keren Bachi, Nelly Alia-Klein, Rita Z Goldstein
BACKGROUND: The choice for drugs over alternative reinforcers is a translational hallmark feature of drug addiction. The neural basis of such drug-biased choice is not well understood, particularly in individuals with protracted drug abstinence who cannot ethically participate in studies that offer drug-using opportunities. METHODS: We developed a functional magnetic resonance imaging drug-choice task to examine the choice for viewing drug-related images, rather than for actually consuming a drug...
May 2018: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/29734675/selected-physiological-effects-of-a-garcinia-gummi-gutta-extract-in-rats-fed-with-different-hypercaloric-diets
#17
Carolina Guillén-Enríquez, Veronica López-Teros, Ubicelio Martín-Orozco, José A López-Díaz, Julio Del Hierro-Ochoa, Arnulfo Ramos-Jiménez, Humberto Astiazarán-García, Nina Del Rocío Martínez-Ruiz, Abraham Wall-Medrano
Garcinia gummi-gutta (GGG) rind extract is effective for reducing appetite, body weight and adiposity of obese rodents fed high-fat (HF), high-sugar (HS) or high fat/sugar (HFS)-based diets, but these effects have not been simultaneously evaluated. Thirty obese (~425 g) male Wistar rats were fed for eleven weeks with six hypercaloric diets (4.1 kcal/g; five rats/diet) non-supplemented (HF, HS, HFS), or supplemented (HF+, HS+, HFS+) with GGG extract (5.9%), while rats from the control group (375 g) were fed a normocaloric diet (3...
May 4, 2018: Nutrients
https://www.readbyqxmd.com/read/29730499/the-effects-of-ethosuximide-on-aversive-instrumental-learning-in-adult-rats
#18
John J Orczyk, Preston E Garraghty
Antiepileptic medications are the frontline treatment for seizure conditions but are not without cognitive side effects. Previously, our laboratory reported learning deficits in phenytoin-, carbamazepine-, valproic acid-, and felbamate-treated rats. In this experiment, the effects found in ethosuximide (ETH)-treated rats have been compared with those in water-treated controls (controls) using the same instrumental training tasks. Rats treated with ETH did not display any performance deficits in any of the conditions tested relative to controls...
May 3, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29729493/neural-substrates-of-the-influence-of-emotional-cues-on-cognitive-control-in-risk-taking-adolescents
#19
Nikki C Lee, Wouter D Weeda, Catherine Insel, Leah H Somerville, Lydia Krabbendam, Mariëtte Huizinga
Adolescence is a period characterised by increases in risk-taking. This behaviour has been associated with an imbalance in the integration of the networks involved in cognitive control and motivational processes. We examined whether the influence of emotional cues on cognitive control differs between adolescents who show high or low levels of risk-taking behaviour. Participants who scored especially high or low on a risky decision task were subsequently administered an emotional go/no-go fMRI task comprising angry, happy and calm faces...
April 22, 2018: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29723443/does-dapagliflozin-affect-energy-intake-and-appetite-a-randomized-controlled-exploratory-study-in-healthy-subjects
#20
Elizabeth Bertran, Helen D Berlie, Aaron Nixon, Linda Jaber
The primary aims of this study were to assess the effects of dapagliflozin versus placebo on energy intake and appetite ratings in healthy individuals. This was a randomized, single-blind, placebo-controlled, 2-period crossover study. In each period, healthy individuals received either dapagliflozin or placebo for 2 weeks. On assessment days, participants were asked to consume a standard preload breakfast. Appetite ratings were measured with 100-mm visual analog scales immediately before and during the 4.25-hour period after breakfast...
May 3, 2018: Clinical Pharmacology in Drug Development
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