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2020, Vol: 22, Issue: 1
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Original Research 


Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep

Simon Barton, Reinhard Pietrowsky.


Abstract
The association between napping and consolidation of emotional face memory is still not well understood. In the present study, subjects of a nap and wake condition (each n = 20) were presented pictures of facial expressions in a declarative memory task and word learning was used as a control task, whereby emotional valence in both tasks was varied. Hypothesized was better memory performance for negative than neutral stimuli after a 1 h nap as well as a positive association between negative stimuli and non-rapid eye movement (NREM) sleep. Memory performance was evaluated via face recognition (old/new discrimination) and free recall of words. No enhancement of face recognition and word recall by sleep was found. However, while recall of negative words positively correlated with NREM sleep (i.e., total sleep time), the positive and linear association for recognition of negative faces was limited to the sleep stage N3 (rich in slow-wave sleep). Selective enhancement of negative facial processing by slow-wave sleep can be concluded.

Key words: memory consolidation, face memory, nap, emotional enhancement, NREM sleep, slow-wave sleep


 
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Pubmed Style

Simon Barton, Reinhard Pietrowsky. Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep. Sleep Hypn. 2019; 21(4): 328-338.

Web Style

Simon Barton, Reinhard Pietrowsky. Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep. https://www.sleepandhypnosis.com/?mno=10226 [Access: August 15, 2024].

AMA (American Medical Association) Style

Simon Barton, Reinhard Pietrowsky. Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep. Sleep Hypn. 2019; 21(4): 328-338.


Vancouver/ICMJE Style

Simon Barton, Reinhard Pietrowsky. Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep. Sleep Hypn. (2019), [cited August 15, 2024]; 21(4): 328-338.


Harvard Style

Simon Barton, Reinhard Pietrowsky (2019) Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep. Sleep Hypn, 21 (4), 328-338.


Turabian Style

Simon Barton, Reinhard Pietrowsky. 2019. Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep. Sleep and Hypnosis, 21 (4), 328-338.


Chicago Style

Simon Barton, Reinhard Pietrowsky. "Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep." Sleep and Hypnosis 21 (2019), 328-338.


MLA (The Modern Language Association) Style

Simon Barton, Reinhard Pietrowsky. "Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep." Sleep and Hypnosis 21.4 (2019), 328-338. Print.


APA (American Psychological Association) Style

Simon Barton, Reinhard Pietrowsky (2019) Selective Enhancement of Processing of Negative Faces During Slow-Wave Sleep. Sleep and Hypnosis, 21 (4), 328-338.


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