Abstract：
:A possible role of endogenous opioids in male copulatory behavior was examined in six experiments which studied the effects of opiate antagonists on the copulatory behavior of male hamsters (Mesocricetus auratus). In Experiment 1, the acute administration of naloxone hydrochloride (4 mg/kg, SC) ten minutes before testing significantly decreased mount frequency, intromission frequency, and ejaculation latency. In Experiment 2 males were tested weekly for three weeks. Half of the males were injected with naloxone ten minutes before each test and half with physiological saline. Naloxone administration reduced mount frequency, and intromission frequency while increasing the postejaculatory interval and the proportion of males displaying behavioral signs of satiety. In Experiment 3 similar effects were obtained following daily administration of naltrexone hydrochloride (10 mg/kg/day SC). In Experiment 4 males were allowed to mate to satiety. Naloxone treated males were more likely to display behavioral signs of satiety during the first ten minutes of these tests. In Experiment 5 it was demonstrated that naloxone administration did not alter the duration of insertion during either intromissions or ejaculations. In Experiment 6 the administration of naloxone did not facilitate the display of copulatory behavior by sexually inactive males. Overall the results are consistent with the hypothesis that opiate antagonists alter male copulatory behavior by enhancing the impact of stimuli occurring during the sexual interaction.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Wu FM,Noble RGdoi
10.1016/0031-9384(86)90048-xsubject
Has Abstractpub_date
1986-01-01 00:00:00pages
817-25issue
6eissn
0031-9384issn
1873-507Xpii
0031-9384(86)90048-Xjournal_volume
38pub_type
杂志文章abstract：:Previous studies demonstrated that in utero exposure to morphine or cocaine differentially alters adult sexual behaviors, which are dependent on circulating gonadal hormones in male and female rats. In the present study, the effects of in utero morphine and cocaine exposure on the urethrogenital reflex were examined. ...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(97)00467-8
更新日期：1998-02-01 00:00:00
abstract：:Three experiments were conducted to determine whether the presence of a male partner during the gestation period facilitates pregnancy maintenance in female prairie voles. In each of the three experiments more females delivered litters when the male was present and separated from them by a wire-mesh barrier than when ...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(94)00354-8
更新日期：1995-05-01 00:00:00
abstract：:Using microdialysis, we showed recently that hypothalamic immuno-reactive insulin (IRI) levels increased after a meal of chow and decreased in response to a fat meal. In the present study, we have compared extracellular hypothalamic and extrahypothalamic basal IRI levels and investigated the effect of meals composed e...
journal_title：Physiology & behavior
pub_type： 更正并重新发布的文章,杂志文章
doi：10.1016/s0031-9384(99)00061-x
更新日期：1999-03-01 00:00:00
abstract：:The effect of a single exposure to foot shock stress on runway responding for food reinforcement was assessed in animals trained and tested with the same or changed reinforcement magnitude. Foot shock (30 1-s shocks, 1.0 mA) exerted no impact on runway responding in animals trained and tested with the same level of re...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(99)00129-8
更新日期：1999-11-01 00:00:00
abstract：:An operant chamber has been developed for studying lever-press conditioning in the green crab Carcinus maenas. In one series of experiments, animals were presented with a single bar and were reinforced with food for every bar press. Performance increased over time and high rates of responding were observed after 2 day...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(90)90311-q
更新日期：1990-08-01 00:00:00
abstract：:Visual information processing was investigated in the inferotemporal cortical (ITCx)-amygdalar (AM)-lateral hypothalamic (LHA) axis which contributes to food-nonfood discrimination. Neuronal activity was recorded from monkey AM and LHA during discrimination of sensory stimuli including sight of food or nonfood. The ta...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(89)90149-2
更新日期：1989-02-01 00:00:00
abstract：:The examples of "synergism" reported in the taste literature fit the common definition of the term but may merely reflect normal additivity in the taste system. That is, the perceived intensities of these "synergistic" mixtures exceed the sums of the perceived intensities of the unmixed taste components (addition of p...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(80)90066-9
更新日期：1980-06-01 00:00:00
abstract：:Previous studies from our laboratory have demonstrated that male and female rats exhibit a differential pattern of behavior in the elevated plus-maze as a function of age. In the present study, the influence of individual housing conditions on young animals treated with one of two classical anxioselective drugs, diaze...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(96)00254-5
更新日期：1996-12-01 00:00:00
abstract：:The effects of dietary mineral levels on caloric intake, nutrient choice, body weight, adipose tissue weight, interscapular brown adipose tissue (IBAT) weight, and thermogenic capacity, and plasma insulin and glucose levels were examined in adult male Sprague-Dawley rats. In Experiments 1 and 2, rats were fed a purifi...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(94)00312-2
更新日期：1995-04-01 00:00:00
abstract：:In addition to the well-known activation of the pituitary-adrenal axis, acute exposure to severe stressors includes a temporary analgesia in rats. Thus, the present study investigates whether the pituitary was involved in the mediation of analgesia induced by severe cold-water swim (CWS) stress. Flinch-jump thresholds...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(79)90122-7
更新日期：1979-07-01 00:00:00
abstract：:Two groups of beagles, accustomed to spacious group housing, were subjected to social and spatial restriction and studied for manifestations of chronic stress with a time interval of 7 weeks between the groups. The change from outside group housing (the control period) to individual housing in small indoor kennels res...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(98)00290-x
更新日期：1999-04-01 00:00:00
abstract：:Thyroid hormones (TH) are essential for normal development and function of mammalian central nervous system (CNS); TH dysregulation has been implicated in several cognitive and behavioral deficits related to dysfunctions of neurotransmitter systems. In the present study, we investigated the effects of adult onset hypo...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2016.06.016
更新日期：2016-10-01 00:00:00
abstract：:The objective of this study was to determine whether humans could detect long-chain fatty acids when these lipid molecules are delivered to the oral cavity by edible taste strips. For suprathreshold studies, up to 1.7 μmol of stearic acid or linoleic acid was incorporated into 0.03 mm thick, one-inch square taste stri...
journal_title：Physiology & behavior
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.physbeh.2012.04.006
更新日期：2012-07-16 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
pub_type： 杂志文章
doi：10.1016/0031-9384(86)90426-9
更新日期：1986-10-01 00:00:00
abstract：:The palatability of food has been shown to influence the cephalic phase reflexes. To determine if food palatability affects the magnitude of cephalic phase insulin release (CPIR) in humans, normal-weight women were asked to list foods that they found palatable and unpalatable. Subjects then stayed overnight in the hos...
journal_title：Physiology & behavior
pub_type： 临床试验,杂志文章
doi：10.1016/s0031-9384(96)80033-3
更新日期：1996-08-01 00:00:00
abstract：:Sodium deficiency reliably produces a robust intake of saline in rats, which is associated with an increased preference for sodium solutions at hypertonic concentrations that would normally be avoided. The mechanisms underlying the shift to an increased preference for sodium in the deficient state are not well underst...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2012.01.019
更新日期：2012-05-15 00:00:00
abstract：:Rats adrenalectomized (ADX) on day 11 of life display enhanced brain growth due, at least in part, to a stimulation of cell proliferation and myelinogenesis. The present study investigated some functional consequences of this treatment. Rats were ADX or sham-operated (SHAM) on postnatal day 11 and then tested in adult...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(88)90040-6
更新日期：1988-01-01 00:00:00
abstract：:It has previously been found that the GABA transaminase inhibitors gamma-acetylen GABA (GAG) and sodium valproate reduced intromission behavior in male rats without affecting mounting behavior. These effects were obtained, however, only in doses that also impaired motor execution. The purpose of the present study was ...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(90)90148-w
更新日期：1990-02-01 00:00:00
abstract：BACKGROUND:'Low-carb' diets have been suggested to be effective in body weight (BW) management. However, these diets are relatively high in protein as well. OBJECTIVE:To unravel whether body-weight loss and weight-maintenance depends on the high-protein or the 'low-carb' component of the diet. DESIGN:Body-weight (BW)...
journal_title：Physiology & behavior
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.physbeh.2012.08.004
更新日期：2012-10-10 00:00:00
abstract：:Intrauterine growth restriction and slow neonatal growth in humans are each associated with poorer learning, memory and cognitive flexibility in childhood and adulthood. The relative contributions of pre- and post-natal growth to cognitive outcomes are unclear, however. We therefore compared performance in learning, m...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2015.08.042
更新日期：2015-12-01 00:00:00
abstract：:alpha-Adrenergic receptors within the paraventricular hypothalamus (PVN) modulate feeding such that activation of alpha 2-adrenoceptors by drugs such as clonidine (CLON) increase feeding; whereas activation of alpha 1-adrenoceptors by drugs such as phenylpropanolamine (PPA) suppress feeding. Prior studies suggest that...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(92)90345-3
更新日期：1992-09-01 00:00:00
abstract：:In Damaraland mole-rats (Fukomys damarensis), non-breeding subordinates contribute to the care of offspring born to the breeding pair in their group by carrying and retrieving young to the nest. In social mole-rats and some cooperative breeders, dominant females show unusually high testosterone levels and it has been ...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2018.03.021
更新日期：2018-09-01 00:00:00
abstract：:While a rich literature has documented that the efficiency of learning and memory varies across circadian time, a close survey of that literature reveals extensive heterogeneity in the time of day (TOD) when peak cognitive performance occurs. Moreover, most previous experiments in rodents have not focused on the quest...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2018.06.035
更新日期：2018-10-01 00:00:00
abstract：:Vasopressin has been reported to be an endogenous antipyretic peptide. The present study assessed whether this peptide has similar effects on stress-induced hyperthermia. Infusion of 3 ng of vasopressin into the lateral ventricle prior to a 40-min restraint stress reduced significantly the hyperthermic response of rat...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：
更新日期：1996-08-01 00:00:00
abstract：:Rats shifted from a 32% to 4% sucrose solution consume substantially less 4% sucrose than unshifted animals that experience only the 4% solution. This negative contrast effect was found to be attenuated by lesions of the lateral aspects of the amygdala (basolateral, lateral, and basomedial nuclei) and eliminated by le...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(84)90035-0
更新日期：1984-11-01 00:00:00
abstract：:Leucaena feed has been reported to cause disruptive effects on livestock reproduction, such as low calving percentages in cows, abortion in female goats and pigs, dead fetuses and fetal resorption in pregnant rats. In this study, the effects of Leucaena on different female reproductive variables were analyzed in two d...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2019.112683
更新日期：2019-11-01 00:00:00
abstract：:The arcuate nucleus of the hypothalamus, a highly sexually dimorphic brain region, has been called the bed nucleus for endogenous opioids. The potential contribution of opioids in this nucleus to modulate control of ventilation in male and female rats has not been investigated. The purpose of the present study is to d...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(97)80330-7
更新日期：1997-09-01 00:00:00
abstract：:Rabbit pups raised by mothers fed different diets during pregnancy and lactation show a clear preference for the diet of their mother at weaning. By supplementing does' lab chow diet with aromatic juniper berries, the present study aimed to investigate the relative importance of 1) fecal pellets deposited by the mothe...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(94)90322-0
更新日期：1994-11-01 00:00:00
abstract：:Temporal modification of amygdaloid serotonin (5HT) content and the resultant muricide behavior, compared to isolated and olfactory bulbectomized rats, were studied after chronic theophylline administration. Theophylline raised amygdaloid 5HT after Day 28 and amygdaloid 5-hydroxyindoleacetic acid (5HIAA), its deaminat...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(75)90213-9
更新日期：1975-10-01 00:00:00
abstract：:Rats secrete saliva in response to heat. In the present study, details of thermal salivation were investigated using the FOK rat in comparison with Sprague-Dawley (SD), Donryu, and ACI rats. The FOK rat is a strain inbred for genotypic heat adaptation and endures heat for long periods. Conscious rats of all four strai...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(97)00541-6
更新日期：1998-03-01 00:00:00
