Johanna Schwarz

Publications
CV
Public outreach and news

Articles

Article: JOURNAL OF SLEEP RESEARCH. 2021;30(4):e13236

Does insufficient sleep affect how you learn from reward or punishment? Reinforcement learning after 2 nights of sleep restriction.

Gerhardsson A; Porada DK; Lundström JN; Axelsson J; Schwarz J
Article: SCIENTIFIC REPORTS. 2020;10(1):17944

A combined fMRI and EMG study of emotional contagion following partial sleep deprivation in young and older humans.

Tamm S; Schwarz J; Thuné H; Kecklund G; Petrovic P; Åkerstedt T; Fischer H; Lekander M; Nilsonne G
Article: NATURE AND SCIENCE OF SLEEP. 2020;12:289-298

Gray Matter Volume Correlates of Sleepiness: A Voxel-Based Morphometry Study in Younger and Older Adults.

Åkerstedt T; Lekander M; Nilsonne G; Tamm S; d'Onofrio P; Kecklund G; Fischer H; Schwarz J; Petrovic P; Månsson KNT
Article: JOURNAL OF SLEEP RESEARCH. 2019;28(4):e12812

Short sleep-poor sleep? A polysomnographic study in a large population-based sample of women.

Åkerstedt T; Schwarz J; Gruber G; Theorell-Haglöw J; Lindberg E
Article: JOURNAL OF SLEEP RESEARCH. 2019;28(4):e12801

Mood impairment is stronger in young than in older adults after sleep deprivation.

Schwarz J; Axelsson J; Gerhardsson A; Tamm S; Fischer H; Kecklund G; Åkerstedt T
Article: SCIENTIFIC REPORTS. 2019;9(1):8554

Framing effect, probability distortion, and gambling tendency without feedback are resistant to two nights of experimental sleep restriction.

Sundelin T; Bayard F; Schwarz J; Cybulski L; Petrovic P; Axelsson J
Article: ROYAL SOCIETY OPEN SCIENCE. 2019;6(3):181704

Sleep restriction caused impaired emotional regulation without detectable brain activation changes-a functional magnetic resonance imaging study.

Tamm S; Nilsonne G; Schwarz J; Golkar A; Kecklund G; Petrovic P; Fischer H; Åkerstedt T; Lekander M
Article: JOURNAL OF SLEEP RESEARCH. 2019;28(1):e12744

Effect of sleep deprivation on emotional working memory.

Gerhardsson A; Åkerstedt T; Axelsson J; Fischer H; Lekander M; Schwarz J
Article: FRONTIERS IN PSYCHOLOGY. 2019;10:605

Positivity Effect and Working Memory Performance Remains Intact in Older Adults After Sleep Deprivation.

Gerhardsson A; Fischer H; Lekander M; Kecklund G; Axelsson J; Åkerstedt T; Schwarz J
Article: SLEEP MEDICINE. 2018;51:80-84

Women with both sleep problems and snoring show objective impairment of sleep.

Åkerstedt T; Schwarz J; Gruber G; Theorell-Haglöw J; Lindberg E
Article: PSYCHONEUROENDOCRINOLOGY. 2018;96:155-165

Does sleep deprivation increase the vulnerability to acute psychosocial stress in young and older adults?

Schwarz J; Gerhardsson A; van Leeuwen W; Lekander M; Ericson M; Fischer H; Kecklund G; Åkerstedt T
Article: JOURNAL OF SLEEP RESEARCH. 2018;27(4):e12626

Effects of late-night short-sleep on in-home polysomnography: relation to adult age and sex.

Åkerstedt T; Lekander M; Nilsonne G; Tamm S; D'onofrio P; Kecklund G; Fischer H; Schwarz J
Article: SCIENTIFIC REPORTS. 2017;7(1):12236

The effect of sleep restriction on empathy for pain: An fMRI study in younger and older adults.

Tamm S; Nilsonne G; Schwarz J; Lamm C; Kecklund G; Petrovic P; Fischer H; Åkerstedt T; Lekander M
Article: SCIENTIFIC REPORTS. 2017;7(1):9422

Intrinsic brain connectivity after partial sleep deprivation in young and older adults: results from the Stockholm Sleepy Brain study.

Nilsonne G; Tamm S; Schwarz J; Almeida R; Fischer H; Kecklund G; Lekander M; Fransson P; Åkerstedt T
Article: JOURNAL OF SLEEP RESEARCH. 2017;26(3):277-287

Age affects sleep microstructure more than sleep macrostructure.

Schwarz JFA; Åkerstedt T; Lindberg E; Gruber G; Fischer H; Theorell-Haglöw J
Article: JOURNAL OF SLEEP RESEARCH. 2016;25(5):565-570

The relation between polysomnography and subjective sleep and its dependence on age - poor sleep may become good sleep.

Åkerstedt T; Schwarz J; Gruber G; Lindberg E; Theorell-Haglöw J
Article: SLEEP. 2015;38(12):1995-2003

Predictors for Development of Excessive Daytime Sleepiness in Women: A Population-Based 10-Year Follow-Up.

Theorell-Haglöw J; Åkerstedt T; Schwarz J; Lindberg E
Article: JOURNAL OF SLEEP RESEARCH. 2013;22(4):380-388

Having to stop driving at night because of dangerous sleepiness--awareness, physiology and behaviour.

Akerstedt T; Hallvig D; Anund A; Fors C; Schwarz J; Kecklund G
Article: JOURNAL OF SLEEP RESEARCH. 2012;21(5):595-599

In-car countermeasures open window and music revisited on the real road: popular but hardly effective against driver sleepiness.

Schwarz JFA; Ingre M; Fors C; Anund A; Kecklund G; Taillard J; Philip P; Åkerstedt T

Employments

Affiliated to Research, Department of Clinical Neuroscience, Karolinska Institutet, 2024-2024
Affiliated to Research, Department of Clinical Neuroscience, Karolinska Institutet, 2022-2024

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