Le bâillement : phylogenèse, éthologie, nosogénie

Walusinski, Olivier; Deputte, Bertrand L.

doi:10.1016/s0035-3787(04)71138-8

Cited by 52 publications

(32 citation statements)

References 29 publications

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“…Yawning is an involuntary and stereotyped behavior observed in many animal species, including humans (Baenninger 1997;Walusinski and Deputte 2004). Its antiquity and wide phylogenetic distribution are welldocumented (Baenninger 1997;Walusinski and Deputte 2004), and a variety of hypotheses on its function have been derived from behavioral observations (Guggisberg et al 2010).…”

Section: Introductionmentioning

confidence: 99%

“…Its antiquity and wide phylogenetic distribution are welldocumented (Baenninger 1997;Walusinski and Deputte 2004), and a variety of hypotheses on its function have been derived from behavioral observations (Guggisberg et al 2010). In birds, fish, amphibians, and reptiles (Ficca and Salzarulo 2002), yawning may be involved in homeostatic processes, whereas in mammals and primates (Ficca and Salzarulo 2002), yawning may be linked to the environment (increased vigilance level, danger, hunting prey), or even to communicative actions (sign of aggressiveness, hierarchical dominance, frustration, sexual excitement, or a means of synchronizing activities within the group).…”

Section: Introductionmentioning

confidence: 99%

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The daily time course of contagious and spontaneous yawning among humans

Giganti

Zilli

2010

J Ethol

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Yawning, besides being a spontaneous behavior, can also be evoked by observing others yawn. However, contagious yawning does not always occur, depending possibly on several factors, such as one's propensity to spontaneously yawn and a heightened level of sleepiness. The aim of this study is to investigate in young adults whether contagious yawning frequency varies throughout the day, and if it is related to the daily time course of spontaneous yawning frequency and level of sleepiness. For the study, 22 subjects were instructed to log hourly, throughout wakefulness, the number of spontaneous yawns and sleepiness level. Subjects were required to continue this procedure for 3 consecutive days, after which they underwent five experimental sessions occurring at regular intervals throughout the same day. During each experimental session, subjects observed others yawn (stimulus condition) and smile (control condition). Our findings show that the contagious effect of yawning is always present throughout the daytime. Both contagious and spontaneous yawning peaked in the early morning and in the late evening, according to the sleepiness time course. However, the frequency of spontaneous yawns was remarkably lower than the frequency of contagious yawns around 19:00. This difference suggests that different mechanisms control spontaneous and contagious yawning.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The daily time course of contagious and spontaneous yawning among humans

Giganti

Zilli

2010

J Ethol

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“…Yawning clearly appears to be not just a matter of opening one’s mouth, but a generalized stretching of the muscles of the respiratory tract (diaphragm, intercostal), face and neck. Thus, it can be inferred that yawning is a part of the generalized stretch with which it is generally accompanied [1, 2]. …”

Section: Introductionmentioning

confidence: 99%

Yawning in Diseases

Walusinski¹

2009

Eur Neurol

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Yawning is a physiological behavior, an emotional stereotypy that indicates the homeostatic process of the mechanisms regulating rhythms, such as sleeping/waking, hunger/satiety or mating/relaxation, generated by the diencephalon. As with all physiological behaviors, its deregulation reveals disorders. In daily practice, yawning as a symptom is generally neglected. That is why we propose a wide overview of yawning in diseases, its consequences and significance.

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“…A widely expressed proposition has speculated that yawning might be responsible for the homeostatic regulation of vigilance and brain arousal level [3,5].…”

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confidence: 99%