Johanna Schwarz
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Explore the profile of Johanna Schwarz including associated specialties, affiliations and a list of published articles.
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31
Citations
305
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Recent Articles
1.
Gertzen M, Karcher S, Schwarz J, Rosenberger C, Strasburger M, Rabenstein A, et al.
Brain Sci
. 2024 Jul;
14(7).
PMID: 39061406
Chemsex is the interplay of substance use by men who have sex with men (MSM) in sexual contexts. The minority stress model and the identity process theory are explanatory models....
2.
Schwarz J, Gertzen M, Rabenstein A, Strassburger M, Horstmann A, Pogarell O, et al.
Eur Arch Psychiatry Clin Neurosci
. 2024 Jul;
275(1):227-240.
PMID: 38969754
Chemsex describes the use of specific substances (methamphetamine, GHB/GBL, mephedrone, ketamine) which initiate or enhance sexual experiences and is mainly prevalent among men who have sex with men. Many Chemsex...
3.
Schwarz J, Freidle M, van Leeuwen W, Akerstedt T, Kecklund G
Front Psychol
. 2023 Dec;
14:1264881.
PMID: 38078262
Laboratory based sleep deprivation studies demonstrate that lack of sleep impairs well-being and performance ability, but suggest that these effects are mitigated in older adults. Yet, much less is known...
4.
DOnofrio P, Jernelov S, Rosen A, Blom K, Kaldo V, Schwarz J, et al.
Brain Sci
. 2023 Oct;
13(10).
PMID: 37891794
Background: Reports of poor sleep are widespread, but their link with objective sleep (polysomnography-PSG) is weak in cross-sectional studies. In contrast, the purpose of this study was to investigate the...
5.
Akerstedt T, Schwarz J, Theorell-Haglow J, Lindberg E
Sleep Med
. 2023 Jul;
109:219-225.
PMID: 37478658
Survey studies indicate that reports of disturbed sleep are prevalent and may be prospectively linked to several major diseases. However, it is not clear what self-reported disturbed sleep represents, since...
6.
Akerstedt T, Schwarz J, Lindberg E, Theorell-Haglow J
Sleep Adv
. 2023 May;
3(1):zpac028.
PMID: 37193394
The relationship between sleep duration and sleepiness has seen much research, but no data are available on the association between polysomnographically (PSG) determined total sleep time (TST) (or other PSG...
7.
Rosenberger C, Gertzen M, Strasburger M, Schwarz J, Gernun S, Rabenstein A, et al.
Front Psychiatry
. 2021 Jun;
12:690242.
PMID: 34135790
The prevalence of chemsex and sexualized substance use is increasing in several European countries, particularly among men who have sex with men. In this subgroup, illegal substance use is associated...
8.
Gertzen M, Strasburger M, Geiger J, Rosenberger C, Gernun S, Schwarz J, et al.
Nervenarzt
. 2021 Apr;
93(3):263-278.
PMID: 33852029
Background: Recently there has been an increase in reports of the phenomenon called chemsex, a subform of sexualized substance use. Chemsex is a neologism consisting of the two terms "chemicals"...
9.
Gerhardsson A, Porada D, Lundstrom J, Axelsson J, Schwarz J
J Sleep Res
. 2020 Nov;
30(4):e13236.
PMID: 33219629
To learn from feedback (trial and error) is essential for all species. Insufficient sleep has been found to reduce the sensitivity to feedback as well as increase reward sensitivity. To...
10.
Tamm S, Schwarz J, Thune H, Kecklund G, Petrovic P, Akerstedt T, et al.
Sci Rep
. 2020 Oct;
10(1):17944.
PMID: 33087746
Sleep deprivation is proposed to inhibit top-down-control in emotion processing, but it is unclear whether sleep deprivation affects emotional mimicry and contagion. Here, we aimed to investigate effects of partial...