The main purpose of the paper is to ofer an overview of recent research problems and debates concerning the emergence of masculinity/masculinities through the gendered preparation and consumption of food. While it takes the shape of a systematic review of scientiic papers related to the mutual interdependence of masculinities and food -related practices in the past decade, it attempts to provide a synthetic snapshot of the ield. First of all, an inventory of dominant images of masculinity and food is outlined in order to provide a frame of reference for the subsequent discussion. Masculinity is then examined as an emergent quality of various practices of a) consumption and b) production of food in two chapters. In the first chapter, both the content and forms and attitudes in regard to masculine consumption are discussed, including speciically priorities in food choices and related health issues. In the second chapter, manly cooking as performance (as presented by the media and represented by customs) on the one hand and as a necessity (in purely male groups) on the other is brought under scrutiny., Adam Gajdoš., Obsahuje bibliografii, and Abstrakt a klíčová slova anglicky
Sleep is regulated by complex biological systems and environmental influences, neither of which is fully clarified. This study demonstrates differential effects of partial sleep deprivation (SD) on sleep architecture and psychomotor vigilance task (PVT) performance using two different protocols (sequentially) that each restricted daily sleep to 3 hours in healthy adult men. The protocols differed only in the period of sleep restriction; in one, sleep was restricted to a 3-hour block from 12:00 AM to 3:00 AM, and in the other, sleep was restricted to a block from 3:00 AM to 6:00 AM. Subjects in the earlier sleep restriction period showed a significantly lower percentage of rapid-eye-movement (REM) sleep after 4 days (17.0 vs. 25.7 %) and a longer latency to the onset of REM sleep (L-REM) after 1 day (78.8 vs. 45.5 min) than they did in the later sleep restriction period. Reaction times on PVT performance were also better (i.e. shorter) in the earlier SR period on day 4 (249.8 vs. 272 ms). These data support the view that earlier-night sleep may be more beneficial for daytime vigilance than later-night sleep. The study also showed that cumulative declines in daytime vigilance resulted from loss of total sleep time, rather than from specific stages, and underscored the reversibility of SR effects with greater amounts of sleep., H. Wu ... [et al.]., and Obsahuje bibliografii a bibliografické odkazy