Association of spontaneous and dopaminergic-induced yawning and penile erections in the rat

Holmgren, B.; Urbá‐Holmgren, Ruth; Trucios, N.; Zermeño, M.; Eguíbar, José Ramón

doi:10.1016/0091-3057(85)90481-2

Cited by 66 publications

(19 citation statements)

References 16 publications

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“…The yawn ended when rats closed their mouth and returned to normal breathing (Holmgren et al, 1985;Eguibar et al, 2012). Penile erection consisted of pelvic thrusts immediately followed by the rat sitting in an upright position, an engorged penis, and subsequently the animal licking the perigenital area and even ingesting the ejaculate (Bagdy and Makara, 1995).…”

Section: Behavioral Recording Proceduresmentioning

confidence: 99%

Central administration of oxytocin differentially increases yawning, penile erections and scratching in high- (HY) and low-yawning (LY) sublines of Sprague–Dawley rats

Eguibar

Cortes

Isidro

et al. 2015

Pharmacology Biochemistry and Behavior

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Section: Behavioral Recording Proceduresmentioning

confidence: 99%

Central administration of oxytocin differentially increases yawning, penile erections and scratching in high- (HY) and low-yawning (LY) sublines of Sprague–Dawley rats

Eguibar

Cortes

Isidro

et al. 2015

Pharmacology Biochemistry and Behavior

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“…18] makes study of this phenome non in this species difficult: research in the highly sponta neous yawning chacma baboon [19] is impractical. Some data suggest that endogenous dopamine may play a role in spontaneous yawning in animals [20], The development of a selectively bred line of Sprague-Dawley rats with high yawning frequency [18] may lead to clarification of this problem.…”

Section: Discussionmentioning

confidence: 99%

Effect of Scopolamine on Spontaneous Yawning in Men

Skórzewska

Tesfaye²,

Krishnan³

et al. 1993

Neuropsychobiology

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The effect of scopolamine hydrobromide (0.4 mg s.c.) on spontaneous yawning was studied in 16 male volunteers in a double-blind study. Scopolamine (or placebo) was given 60 min before (–60 min) placebo (physiological saline s.c.) (time 0 min) and yawning monitored from –15 to +60 min by recording displacement of the lower jaw and storing the traces on diskettes. After placebo, the number of yawns was 5.3 ± 1.4 (X ± SE) and after scopolamine pretreatment 4.3 ± 1.6 (p = NS). Drowsiness was assessed with the Stanford Sleepiness Scale and the Analog Sleepiness Scale at –15,0, +20, +40, +60 min. There was no significant correlation between total sleepiness scores (area under the curve, 0 min to +60 min), peak sleepiness score or peak increment in sleepiness score and number of yawns on either scale. These data suggest that (a) spontaneous yawning in man is not mediated by a central muscarinic cholinergic link, and (b) the assumed relationship between drowsiness and yawning remains to be verified experimentally.

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“…The stimulatory effect on penile erection requires the presence of testosterone and appears to be mediated postsynaptically. 55 The stimulation of penile erection originates in the paraventricular nucleus, because injection of DA agents in this nucleus induces penile erection combined with yawning, 56,57 an effect probably mediated by a release of oxytocin. 58…”

Section: The Monoaminergic Perspectivementioning

confidence: 99%

Brain and Sexual Behavior

Larsson

Ahlénius

1999

Annals of the New York Academy of Sciences

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This chapter will give personal accounts of the neural basis of male rat sexual behavior from two somewhat different perspectives, one tilted towards neuroanatomy (K.L.), and one tilted towards monoaminergic pharmacology (S.A.). Both perspectives were strongly influenced by the Zeitgeist, the former imperceptibly merging into the latter as relations between the neural substrate for monoaminergic neurotransmission was elucidated.

show abstract

Association of spontaneous and dopaminergic-induced yawning and penile erections in the rat

Cited by 66 publications

References 16 publications

Central administration of oxytocin differentially increases yawning, penile erections and scratching in high- (HY) and low-yawning (LY) sublines of Sprague–Dawley rats

Central administration of oxytocin differentially increases yawning, penile erections and scratching in high- (HY) and low-yawning (LY) sublines of Sprague–Dawley rats

Effect of Scopolamine on Spontaneous Yawning in Men

Brain and Sexual Behavior

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