Modification in the sexual behavior of male rats produced by changing the stimulus female.

Wilson, James R.; Kuehn, Robert E.; Beach, Frank A.

doi:10.1037/h0042469

Cited by 163 publications

(99 citation statements)

References 15 publications

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“…The main idea of this approach was to let the animals go into a state of sexual exhaustion. This exhaustion in rabbits is usually related with the 'Coolidge effect,' which was first proposed by Wilson et al 17 It describes the reinitiation of sexual behavior in a sexually satiated animal in response to a novel receptive mate. The copulatory behavior of the sexually active male rabbit is characterized by a series of alternate mounts and intromissions that culminated in ejaculation.…”

Section: Discussionmentioning

confidence: 99%

Effects of exposure to a mobile phone on sexual behavior in adult male rabbit: an observational study

Salama

Kishimoto²,

Kanayama³

et al. 2009

Int J Impot Res

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The accumulating effects of exposure to electromagnetic radiation emitted by a conventional mobile phone (MP) on male sexual behaviour have not yet been analyzed. Therefore, we studied these effects in 18 male rabbits that were randomly divided into phone and control groups. Six female teasers were taken successively to the male's cage and the copulatory behavior was recorded. Serum total testosterone, dopamine and cortisol were evaluated. The animals of the phone group were exposed to MPs (800 MHz) in a standby position for 8 h daily for 12 weeks. At the end of the study, the copulatory behavior and hormonal assays were re-evaluated. Mounts without ejaculation were the main mounts in the phone group and its duration and frequency increased significantly compared with the controls, whereas the reverse was observed in its mounts with ejaculation. Ejaculation frequency dropped significantly, biting/grasping against teasers increased notably and mounting latency in accumulated means from the first to the fourth teasers were noted in the phone group. The hormonal assays did not show any significant differences between the study groups. Therefore, the pulsed radiofrequency emitted by a conventional MP, which was kept on a standby position, could affect the sexual behavior in the rabbit.

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Section: Discussionmentioning

confidence: 99%

Effects of exposure to a mobile phone on sexual behavior in adult male rabbit: an observational study

Salama

Kishimoto²,

Kanayama³

et al. 2009

Int J Impot Res

View full text Add to dashboard Cite

show abstract

“…This change of sexually receptive females was done to maximize the display of the buck's copulatory activity. In rats, an apparently satiated male is capable of resuming copulation if a novel, sexually receptive female is introduced (the socalled "coolidge effect"; Wilson et al, 1963). This whole procedure was repeated every day until the male showed no sexual behaviour at all on a given day (criterion used to determine sexual exhaustion).…”

Section: Experimental Designmentioning

confidence: 99%

Analysis of sexual behaviour in male rabbits across successive tests leading to sexual exhaustion

et al. 2012

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AbstrAct:Various parameters of sexual behaviour were studied in 10 male rabbits daily tested with sexually receptive females (ovariectomized, given estradiol benzoate s.c. 5 µg/d). The aim of this study was to analyse rabbit sexual behaviour during successive tests leading to sexual exhaustion. We allowed copulation ad libitum and determined if sexual satiety was reached within 1 d and sexual exhaustion across several days. The pair was allowed to copulate freely until the male failed to show sexual interest in that female for 30 min. The female was then removed and replaced by another; this procedure was repeated using as many does as needed, until the male showed no interest in any female for 2 h. Scent-marking (chinning) was also recorded, before and after the copulation test. This whole procedure was repeated daily until the male showed no sexual behaviour at all on a given day. Within a test, copulation ad libitum led to a gradual increase in the time interval between successive mounts and ejaculations, regardless of the day of testing. Such increments predicted that the buck was reaching sexual satiety. The "miss" rate (i.e., the proportion of mounts that did not culminate in ejaculation) significantly increased from a median of 25 on the 1 st d to 55 on the last day of testing. The mean time to reach copulatory inactivity decreased from 4 h on the 1 st d to 1 h on the last day. The total number of ejaculations within a test decreased from an average of 22 to 6 (first vs. last day, respectively) and the number of chin marks was reduced by 69% compared with pre-mating values, regardless of the day of testing. All bucks eventually stopped copulating after a variable number of days (range=2-15 d). We concluded that, following copulation ad libitum with several females, male rabbits reach sexual satiety (i.e., they are unable to continue copulating on the same day) and, after several days, they also attain sexual exhaustion, a state in which copulation is totally arrested for at least 24 h. Some behavioural parameters can be used as reliable predictors that a buck is approaching sexual satiety and sexual exhaustion.

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“…This has come to be known as the Coolidge effect and has been observed in a number of mammalian species (Wilson et al, 1963). General factors such as fatigue or motoric depression are not sufficient to explain the apparent state of sexual satiation, because stimuli from a novel female can still induce copulation.…”

mentioning

confidence: 99%

Dynamic Changes in Nucleus Accumbens Dopamine Efflux During the Coolidge Effect in Male Rats

1997

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The Coolidge effect describes the reinitiation of sexual behavior in a "sexually satiated" animal in response to a novel receptive mate. Given the role of the mesolimbic dopamine (DA) system in the initiation and maintenance of motivated behavior, microdialysis was used to monitor nucleus accumbens (NAC) DA transmission during copulation, sexual satiety, and the reinitiation of sexual behavior. In agreement with earlier reports, the presentation of an estrous female behind a screen and copulation were associated with significant increases in NAC DA efflux. Return of NAC DA concentrations to baseline values coincided with a period of sexual satiety, although concentrations of the DA metabolites, dihydroxyphenylacetic acid and homovanillic acid, remained elevated. The presentation of a novel receptive female behind a screen resulted in a slight increase in NAC DA, which was augmented significantly during renewed copulation with the novel female. The present data suggest that the stimulus properties of a novel receptive female may serve to increase NAC DA transmission in a sexually satiated male rat, and this, in turn, may be related to the reinitiation of sexual behavior.

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Modification in the sexual behavior of male rats produced by changing the stimulus female.

Cited by 163 publications

References 15 publications

Effects of exposure to a mobile phone on sexual behavior in adult male rabbit: an observational study

Effects of exposure to a mobile phone on sexual behavior in adult male rabbit: an observational study

Analysis of sexual behaviour in male rabbits across successive tests leading to sexual exhaustion

Dynamic Changes in Nucleus Accumbens Dopamine Efflux During the Coolidge Effect in Male Rats

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