The effect of food deprivation upon the sexual performance of male guinea pigs.

Jarmon, Harold; Gerall, Arnold A.

doi:10.1037/h0045873

Cited by 12 publications

(3 citation statements)

References 6 publications

(2 reference statements)

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“…On the other hand, food deprivation of either 24 or 48 hr had little or no effect on male attraction to urinary odors. The similar effects of food deprivation on male rodent sexual behavior (Brown & McFarland, 1979; Jarmon & Gerall, 1961; Sachs, 1965; Sachs & Marson, 1972) and male mouse attraction to female odor in our odor-testing apparatus are certainly consistent with the latter's being related to male sexual motivation. Also consistent with this hypothesis are previous findings by Rose and Drickamer (1975) and recent findings in our laboratory (Bean, Nyby, Kerchner, & Dahinden, in press) that male attraction to female odor is in part androgen dependent.…”

Section: Discussionsupporting

confidence: 78%

“…Blank and Desjardins did not examine male mouse reproductive behavior. However, sexual motivation has been shown to be relatively unimpaired following starvation and even dominant over hunger when these two drives were in conflict in male guinea pigs (Jarmon & Gerall, 1961) and male rats (Brown & McFarland, 1979; Sachs, 1965; Sachs & Marson, 1972). Thus if our behavioral assay is measuring a biologically important precopulatory chemocommunication system, male mouse attraction to female odors might not be diminished by 24 or 48 hr of food deprivation.…”

mentioning

confidence: 99%

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Male mouse (Mus musculus) attraction to airborne urinary odors of conspecifics and to food odors: Effects of food deprivation.

Nyby

Kay²,

Bean³

et al. 1985

Journal of Comparative Psychology

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Five experiments were conducted to examine the preferences of male mice for the airborne urinary odors of conspecifics and for airborne food odors. These preferences were then used to make inferences about the attractiveness of the odors. All five experiments demonstrated that males were strongly attracted to the urinary odors of females; Experiments 1-3 demonstrated that male urinary odors were considerably less attractive. Comparing Experiments 1 and 2 revealed that the strong attraction to female urinary odors that male mice had did not require that the males have postweaning experience with females. Experiments 3-5 demonstrated that males with continuous access to food and water were much more strongly attracted to female urinary odors than to the airborne food odors of rat chow, mouse chow, peanut butter, or sunflower seeds. Female urinary odors remained more attractive than food odors after 24 hr of deprivation (Experiments 3, 4, and 5), and only after 48 hr of food deprivation (Experiment 5) did the attractiveness of food odors approximate that of female urine. Although 48 hr of food deprivation appeared to equalize the attractiveness of urinary and food odors, this regimen did so not by diminishing the attractiveness of female urine but rather by increasing the attractiveness of food odors. It is argued that the attraction that male mice exhibited to female urinary odors in this odor-testing apparatus reflected, at least in part, a biologically important precopulatory communication system.Many researchers examining mamma-dating from the earliest days of chemocomlian chemocommunication have permitted munication research, that pheromones their animal subjects to make nose-to-stim-(chemosignals) should be volatile (see Wilulus contact with the odor source. Unfor-son & Bossert, 1963). However, evidence is tunately, such a design feature does not now consistent with the idea that female permit inferences concerning chemosignal rodents produce nonvolatile as well as volvolatility. We suggest that this procedure atile chemosignals (see review by Nyby, in many cases has reflected an assumption, 1983). Rat, hamster, guinea pig, and mouse females all appear to produce both a che-_ This research was supported in part by National nwsignal of very low volatility, which Science Foundation Grant BNS-8111344.serves, at least in part, as a short-range We thank Neal Simon, Murray Itzkowitz, and Mar-stimulator of male reproductive behavior tin Richter for critically reading an earlier version of and physiology, and a more volatile airthe manuscript.borne chemosignal, which probably serves, Requests for reprints should be sent to John Nyby, ^ i A • ^ 1 1 . , Department of Psychology, Chandler-Ullmann Build-at least m P art ' as a longer distance sex ing 17, Lehigh University, Bethlehem, Pennsylvania attractant. Hence we think that many in-18015.stances of chemocommunication described This document is copyrighted by the American Psychological Association or one of its allied publishers.This article is intended solely for the ...

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Section: Discussionsupporting

confidence: 78%

mentioning

confidence: 99%

Male mouse (Mus musculus) attraction to airborne urinary odors of conspecifics and to food odors: Effects of food deprivation.

Nyby

Kay²,

Bean³

et al. 1985

Journal of Comparative Psychology

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“…Conversely, and in line with a few known clinical disorders (5-9), it has also been shown that transection of discrete neural pathways in the rat hypothalamus produces hyperphagia accompanied by markedly impaired copulatory behavior (41,42). While it is possible that hunger and sex may be subserved by separate drive systems (43)(44)(45), our studies are in accord with the view that acute stimulation by NPY of neural centers that enhance ingestive behavior may lead to decrements in sexual motivation.…”

Section: Discussionsupporting

confidence: 77%

Neuropeptide Y Stimulates Feeding but Inhibits Sexual Behavior in Rats*

Clark

Kalra

1997

Obesity Research

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The effects of neuropeptide Y (NPY), a tyrosine-rich peptide found in the rat brain, on feeding and sexual behavior were studied in male and female rats. Intraventricular (ivt) injections of NPY during the final hours of the light period induced feeding in a dose-related manner. While the lowest dose tested (0.02 nM) was without effect, higher doses (0.12, 0.47, 2.3 nM) uniformly elicited feeding with a latency of about 15 min in male rats. With the most effective dose, 0.47 nM, the increased food intake was due to an increased local eating rate. In contrast, the pattern of feeding behavior after a related peptide, rat pancreatic polypeptide (rPP), was quite different and less impressive. During the first hour, only one ivt dose of rPP (0.45 nM) evoked an increase in food intake, due to an increased time spent eating. Further, the effects of NPY on food intake were greater during the nocturnal period. Interestingly, increased food intake in nocturnal tests (4 h) was due solely to augmented intake during the first 60 min after ivt administration.In mating tests, initiated 2 h after the onset of darkness and 10 min after ivt administration of peptide, all but the lowest dose of NPY (0.01 nM) drastically suppressed ejaculatory behavior. Most rats treated with higher doses of NPY (0.02, 0.12, or 0.47 nM) mounted and intromitted only a few times before the cessation of sexual activity, and elongated latencies to the initial mount and intromission were observed. In contrast to the dramatic NPY-induced suppression of ejaculatory behavior, rPP (0.11 and 0.45 nM) was without effect on copulatory behavior. To substantiate further that the impairment of sexual behavior seen in NPY-treated rats was not due to an attenuated sexual ability, an additional experiment was performed. Penile reflexes, including erection, were monitored 10 min after ivt injection of NPY (0.12 nM), rPP (0.11 nM), or saline. No effect of NPY or rPP was observed on the proportion of rats showing erection or latency to initial erection, or in the number of erections per test. In fact, a slight facilitation of penile dorsiflexion responses was seen after NPY. These findings suggest that NPY selectively depresses sexual motivation in the male rat.In ovariectomized female rats responding to estrogen plus progesterone with a good level of sexual receptivity (lordosis quotient > 70), ivt saline and 0.01 nM NPY were without effect on sexual behavior. However, higher doses of NPY (0.12 and 0.47 nM) promptly suppressed sexual behavior in tests initiated 10 min after treatment. A significant 50% decrement in receptivity and a virtual elimination of proceptive behavior were observed. Further, although a low level of mounting (one to five mounts in 15 min) was seen in both the saline (33% mounting) and the 0.01 nM NPY (38% mounting) treated groups, none was observed in animals treated with the higher NPY doses. These observations indicate that NPY may also suppress female sexual behavior.These studies demonstrate that NPY, a novel hypothalamic peptide, st...

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Interaction of hunger and sexual motivation in the male rat: A time-sharing approach

Brown

McFarland

1979

Animal Behaviour

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The effect of food deprivation upon the sexual performance of male guinea pigs.

Cited by 12 publications

References 6 publications

Male mouse (Mus musculus) attraction to airborne urinary odors of conspecifics and to food odors: Effects of food deprivation.

Male mouse (Mus musculus) attraction to airborne urinary odors of conspecifics and to food odors: Effects of food deprivation.

Neuropeptide Y Stimulates Feeding but Inhibits Sexual Behavior in Rats*

Interaction of hunger and sexual motivation in the male rat: A time-sharing approach

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