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Abstract:

The electroencephalogram (EEG) together with electromyogram (EMG) of the ischiocavernosus, bulbocavernosus and levator penis muscles were chronically monitored across behavioral states of the armadillo Chaetophractus villosus. This animal has a very long penis, which exhibits remarkable phenomena during wakefulness (W), slow wave sleep (SWS) and paradoxical sleep (PS). During W it remains retracted within a skin receptacle. During SWS penile protrusion can be observed together with very complex movements. Protrusion is a non erectile event during which the penis remains out of its receptacle but without rigidity. Penile erections are observed only during SWS. Contrasting with other mammals, no erections occur during PS. During this phase the penile muscles share the atonia of the body musculature characteristic of that phase. Some reflections on mechanisms of those penile events are presented.

Registro:

Documento: Artículo
Título:Absence of penile erections during paradoxical sleep. Peculiar penile events during wakefulness and slow wave sleep in the armadillo
Autor:Affanni, J.M.; Cervino, C.O.; Marcos, H.J.A.
Filiación:Instituto de Neurociencia (CONICET-UBA), Departamento de Ciencias Biológicas, Universidad de Buenos Aires, Buenos Aires, Argentina
Facultad de Medicina, Universidad de Morón, Morón, Argentina
Instituto de Neurociencia (INEUCI), Facultad de Ciencias Exactas y Naturales, Pab. II. Ciudad Universitaria, Av. Cantilo s./n. (1428), Bueonos Aires, Argentina
Palabras clave:Armadillo; Paradoxical sleep; Penile erections; Slow wave sleep; Voluntary erections; Wakefulness; animal experiment; armadillo; article; electroencephalogram; male; nonhuman; penis erection; priority journal; REM sleep; sleep pattern; wakefulness; Animals; Armadillos; Brain; Electrodes, Implanted; Electroencephalography; Electromyography; Male; Penile Erection; Penis; Sleep; Sleep, REM; Wakefulness
Año:2001
Volumen:10
Número:3
Página de inicio:219
Página de fin:228
DOI: http://dx.doi.org/10.1046/j.1365-2869.2001.00259.x
Título revista:Journal of Sleep Research
Título revista abreviado:J. Sleep Res.
ISSN:09621105
CODEN:JSRSE
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_09621105_v10_n3_p219_Affanni.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09621105_v10_n3_p219_Affanni

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Citas:

---------- APA ----------
Affanni, J.M., Cervino, C.O. & Marcos, H.J.A. (2001) . Absence of penile erections during paradoxical sleep. Peculiar penile events during wakefulness and slow wave sleep in the armadillo. Journal of Sleep Research, 10(3), 219-228.
http://dx.doi.org/10.1046/j.1365-2869.2001.00259.x
---------- CHICAGO ----------
Affanni, J.M., Cervino, C.O., Marcos, H.J.A. "Absence of penile erections during paradoxical sleep. Peculiar penile events during wakefulness and slow wave sleep in the armadillo" . Journal of Sleep Research 10, no. 3 (2001) : 219-228.
http://dx.doi.org/10.1046/j.1365-2869.2001.00259.x
---------- MLA ----------
Affanni, J.M., Cervino, C.O., Marcos, H.J.A. "Absence of penile erections during paradoxical sleep. Peculiar penile events during wakefulness and slow wave sleep in the armadillo" . Journal of Sleep Research, vol. 10, no. 3, 2001, pp. 219-228.
http://dx.doi.org/10.1046/j.1365-2869.2001.00259.x
---------- VANCOUVER ----------
Affanni, J.M., Cervino, C.O., Marcos, H.J.A. Absence of penile erections during paradoxical sleep. Peculiar penile events during wakefulness and slow wave sleep in the armadillo. J. Sleep Res. 2001;10(3):219-228.
http://dx.doi.org/10.1046/j.1365-2869.2001.00259.x