Facilitation of self-stimulation of ventral tegmentum by microinjection of opioid receptor subtype agonists.

abstract：UNLABELLED:The aim of the present study was to assess criterion validity, and relative and absolute reliability of Polar® RS800CX heart rate monitor, compared to simultaneously recorded electrocardiogram (ECG) data, in measuring heart rate of dogs during standing position and at trot on a treadmill. METHODS:Heart beat...

journal_title：Physiology & behavior

authors： Essner A,Sjöström R,Ahlgren E,Lindmark B

更新日期：2013-04-10 00:00:00

abstract：:The present report explored firstly how palatability modified the effects of energy density (ED) on short-term food intake and changes in rated appetite within a single test meal, and secondly how repeated consumption altered these relationships. Experiment 1 contrasted disguised high (HED) and low (LED) versions of a...

journal_title：Physiology & behavior

authors： Yeomans MR,Weinberg L,James S

更新日期：2005-11-15 00:00:00

abstract：:Obesity is a major public health concern and overconsumption of unhealthy fats and sugary beverages are contributing factors. Time-restricted feeding can reduce obesity-associated pathophysiological parameters by limiting the time of food consumption; however, the effects of time-restricted sugary water consumption ar...

journal_title：Physiology & behavior

authors： Woodie LN,Neinast CE,Haynes W,Ahmed B,Graff EC,Greene MW

更新日期：2020-09-01 00:00:00

abstract：:Rats display strong behavioral rhythms during the ovarian cycle. During estrus, food intake is minimal due to a decrease in meal size, and locomotor activity is maximal. To investigate how activity influences feeding patterns across the ovarian cycle, we used a computerized system to monitor spontaneous meal patterns ...

journal_title：Physiology & behavior

authors： Eckel LA,Houpt TA,Geary N

更新日期：2000-08-01 00:00:00

abstract：:Groups of rats were chronically exposed to a 1.0-g/L caffeine solution for 5, 10, 15 or 20 days. Upon removal of caffeine, rats were given brief exposure to a novel flavour CS (withdrawal CS) followed by 12 days of plain water and then brief exposure to a second flavour CS (neutral CS). Only rats exposed to 20 days of...

journal_title：Physiology & behavior

authors： Dingle RN,Dreumont-Boudreau SE,Lolordo VM

更新日期：2008-09-03 00:00:00

abstract：:Autism has been becoming the focus of attention as its apparently increasing prevalence is better appreciated. According to some estimates, the frequency of children with autistic spectrum disorder (ASD) can be as high as 1 in 150. The diagnosis can be made as early as 2 years of age, and autistic patients often have ...

journal_title：Physiology & behavior

authors： Gerlai J,Gerlai R

更新日期：2003-08-01 00:00:00

abstract：:We studied the effects of the androgenic hormone, androsterone sulfate, a 17-ketosteroid, on long term potentiation in the dentate gyrus (DG) of urethane anesthesized rats. Intravenous injection of 10 mg of the hormone dissolved in Nutralipid produced a significant increase of the population spike (PS), but not of the...

journal_title：Physiology & behavior

authors： Urbanoski K,Harris J,Gijsbers K,Dubrovsky B

更新日期：2000-12-01 00:00:00

abstract：:Hypothyroidal rats produced by low iodine diet or propylthiouracyl (PTU) were less active in the open field and received fewer food reinforcements than controls in a lever press situation at both 22 degrees C and 1 degree C. The hypothyroid rats also pressed less when heat was the reinforcer. On the other hand, hypert...

journal_title：Physiology & behavior

authors： Rial RV,Tur JA,Palmer AM,Tur J

更新日期：1987-01-01 00:00:00

abstract：:We investigated the palatability of a low concentration of linoleic acid (LA) in short-term two-bottle choice tests and licking tests. To examine the contribution of gustation, mice were rendered anosmic with olfactory nerve transection surgery and test solutions were prepared using mineral oil (saturated long-chain h...

journal_title：Physiology & behavior

authors： Saitou K,Yoneda T,Mizushige T,Asano H,Okamura M,Matsumura S,Eguchi A,Manabe Y,Tsuzuki S,Inoue K,Fushiki T

更新日期：2009-01-08 00:00:00

abstract：:Many clinical studies show that a sizeable proportion of male alcoholics are also inclined to act violently and aggressively. Given this association in humans, we asked whether a relationship exists between ethanol intake and aggressive behaviour in laboratory rats. In a first test of the hypothesis, we measured ethan...

journal_title：Physiology & behavior

authors： Bergvall AH,Fahlke C,Jönsson L,Hansen S

更新日期：1996-04-01 00:00:00

abstract：:Ghrelin, an acylated upper gastrointestinal peptide, is the only known orexigenic hormone. Considerable evidence implicates ghrelin in mealtime hunger and meal initiation. Circulating levels decrease with feeding and increase before meals, achieving concentrations sufficient to stimulate hunger and food intake. Prepra...

journal_title：Physiology & behavior

authors： Cummings DE

更新日期：2006-08-30 00:00:00

abstract：BACKGROUND:Otitis media (OM), or middle ear infections, are one of the most common diseases during early childhood. OM has been linked to changes in food preferences through potential effects on taste signalling, and thereby, to increased weight. OBJECTIVES:We investigated the associations between OM, taste sensitivit...

journal_title：Physiology & behavior

authors： Fogel A,Blissett J

更新日期：2019-09-01 00:00:00

abstract：:To evaluate whether the suprachiasmatic nuclei (SCN) control 24-h rhythmicity in cardiovascular function, rats were subjected to computerized recording of 24-h blood pressure (BP) and heart rate (HR) following SCN lesions. In sham- and nonlesioned rats, circadian patterns of BP and HR ran in phase with those in feedin...

journal_title：Physiology & behavior

authors： Janssen BJ,Tyssen CM,Duindam H,Rietveld WJ

更新日期：1994-02-01 00:00:00

abstract：:The effect of age and recurring stress responses on endogenous plasma arginine (ARG) concentrations were determined. Blood from catheterized young (3 months) and old (24 months) were used to ascertain the plasma concentrations of ARG under baseline conditions, during a 30-min immobilization experience and during a 3.5...

journal_title：Physiology & behavior

authors： Milakofsky L,Harris N,Vogel WH

更新日期：1993-10-01 00:00:00

abstract：:is well established that, on the anterior tongue, thresholds for chemical tastants are inversely related to the number of fungiform papillae. However, it is not known whether this is the case for thresholds to electrical currents presented to the lingual surface. In this study, electrical thresholds for 16 subjects we...

journal_title：Physiology & behavior

authors： Miller SL,Mirza N,Doty RL

更新日期：2002-04-15 00:00:00

abstract：:Following training with distinctively flavored solutions which differ in calories and thus in their postingestive effects, rats demonstrate flavor-postingestive consequence learning by preferentially consuming one of the flavors in two-bottle tests (both flavors presented in nutrient-identical solutions). The directio...

journal_title：Physiology & behavior

authors： Warwick ZS,Bowen KJ,Synowski SJ

更新日期：1997-12-01 00:00:00

abstract：:In vivo voltammetry has been widely employed to monitor the effects of drugs on dopamine metabolism. In the present study, we report on the use of a newly designed assembly for implantation of carbon fiber microelectrodes for voltammetric measurements in freely moving animals. The assembly consists of an electrode hol...

journal_title：Physiology & behavior

authors： Louilot A,Serrano A,D'Angio M

更新日期：1987-01-01 00:00:00

abstract：:Binge eating disorders are characterized by discrete episodes of rapid and excessive food consumption. In rats, giving intermittent access to sweet fat food mimics this aspect of binge eating. These models typically employ solid food; however, the total amount consumed depends on motivation, palatability and satiety, ...

journal_title：Physiology & behavior

authors： Lardeux S,Kim JJ,Nicola SM

更新日期：2013-04-10 00:00:00

abstract：:The sensation of thirst plays an important role in the consumption of water or other fluids to rehydrate the body in order to keep bodily functions working properly. An increase in saliva secretion, wetting the mouth by ingestion of liquids, and cooling and sour components in products can alleviate this sensation alre...

journal_title：Physiology & behavior

authors： van Belzen L,Postma EM,Boesveldt S

更新日期：2017-10-15 00:00:00

abstract：:As with mosquitoes, female tabanid flies search for mammalian hosts by visual and olfactory cues, because they require a blood meal before being able to produce and lay eggs. Polarotactic tabanid flies find striped or spotted patterns with intensity and/or polarisation modulation visually less attractive than homogene...

journal_title：Physiology & behavior

authors： Blahó M,Egri A,Száz D,Kriska G,Akesson S,Horváth G

更新日期：2013-07-02 00:00:00

abstract：:Aspartame (APM; L-aspartyl-L-phenylalanine methyl ester) was investigated for its ability to alter brain amino acids and monoamines in overnight fasted rats allowed to consume commercial diets for 60 minutes. In addition, the effects of mealing on the changes in plasma and brain amino acids and brain monoamines induce...

journal_title：Physiology & behavior

authors： Torii K,Mimura T,Takasaki Y,Ichimura M

更新日期：1986-01-01 00:00:00

abstract：:Winter is an energetically stressful period for small mammals as increasing demands for thermoregulation are often coupled with shortages of food supply. In sub-tropical savannah, Hottentot golden moles (Ambysomus hottentottus longiceps) forage throughout the year and for long periods of each day. This may enable them...

journal_title：Physiology & behavior

authors： Scantlebury M,Oosthuizen MK,Speakman JR,Jackson CR,Bennett NC

更新日期：2005-04-13 00:00:00

abstract：:Female rats were housed in Wahmann wheels under a 12:12 light-dark (LD) photoperiod for 36 days and then were switched to LD 10:14 for 36-64 days. Running was 95-100% nocturnal. Overall amounts of running were higher in LD 12:12, but changes over the estrous cycle were similar. On the night of proestrus running increa...

journal_title：Physiology & behavior

authors： Kent S,Hurd M,Satinoff E

更新日期：1991-06-01 00:00:00

abstract：:Three different techniques were used to study the effects of 72 hr deprivation of paradoxical sleep on percentages total sleep, light slow wave sleep, deep slow wave sleep and paradoxical sleep during deprivation and recovery periods in rats. The paradoxical sleep deprivation methods used were the classical platform, ...

journal_title：Physiology & behavior

authors： van Luijtelaar EL,Coenen AM

更新日期：1986-01-01 00:00:00

abstract：:We recorded evoked potentials during performance of a reaction-time task, in which rats had to release a lever quickly in response to either a visual or an auditory stimulus for a food reward. We found two distinct peaks in their cortical evoked potentials. The first peak appeared at a fixed time after the stimulus, i...

journal_title：Physiology & behavior

authors： Brenner E,Mirmiran M

更新日期：1988-01-01 00:00:00

abstract：:The European rabbit, both in its wild and domesticated forms, has been a pioneer species in the study of mammalian chemical communication, and illustrates well the difficulty of understanding the functional significance of these often complex signals. Here we investigate the performance of one of the rabbit's most con...

journal_title：Physiology & behavior

authors： Arteaga L,Bautista A,Martínez-Gómez M,Nicolás L,Hudson R

更新日期：2008-06-09 00:00:00

abstract：:Twenty-four-hour recordings of electrophysiological correlates of the sleep-waking cycle in the rat were performed during different stages of cuff pedestal treatment. It was found that rats adapted to live on pedestals with the cuff raised displayed undisturbed patterns of sleep and wakefulness. Lowering the cuff for ...

journal_title：Physiology & behavior

authors： Hilakivi I,Peder M,Elomaa E,Johansson G

更新日期：1984-06-01 00:00:00

abstract：:It is well known that alcohol consumption leads to an increase in the levels of beta-endorphin (an endogenous opioid), which can contribute to the reinforcing effect of alcohol. Our previous studies have shown that repeated treatment with naltrexone, a nonselective opioid antagonist, results in increased plasma beta-e...

journal_title：Physiology & behavior

authors： Zalewska-Kaszubska J,Gorska D,Dyr W,Czarnecka E

更新日期：2008-03-18 00:00:00

abstract：:This report describes a standard procedure for studying the disordered eating behavior of bulimic patients in a laboratory setting. Test meals were given to eight normal weight women with bulimia under four different conditions on non-consecutive days. On day 1 they were asked to consume as much as they "would normall...

journal_title：Physiology & behavior

authors： Kissileff HR,Walsh BT,Kral JG,Cassidy SM

更新日期：1986-10-01 00:00:00

abstract：:Numerous studies have dealt with the role of opiate system in tasks aimed at measurement of cognitive behavior, but the role of morphine dependence on learning and memory is still controversial. In this study chronic exposure to morphine was employed to evaluate learning ability and spatial short-term memory (working ...

journal_title：Physiology & behavior

authors： Miladi Gorji H,Rashidy-Pour A,Fathollahi Y

更新日期：2008-02-27 00:00:00