2016
DOI: 10.1016/j.neuropsychologia.2016.01.028
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Decreased sleep duration is associated with increased fMRI responses to emotional faces in children

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Cited by 26 publications
(23 citation statements)
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References 43 publications
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“…Second, poor sleep quality, which is associated with disrupted circadian rhythmicity, is predictive of elevated morning cortisol ( Hatzinger et al , 2008 , 2010 ; Balbo et al , 2010 ; Bostock and Steptoe, 2013 ; Abell et al , 2016 ) and we found that self-reported poor sleep quality was associated with increased amygdala reactivity among participants scanned in the morning. Notably, this finding is further congruent with prior evidence that sleep deprivation is associated with increased amygdala reactivity ( Yoo et al , 2007 ; Motomura et al , 2013 , 2014 ; Simon et al , 2015 ; Reidy et al , 2016 ).…”
Section: Discussionsupporting
confidence: 87%
See 1 more Smart Citation
“…Second, poor sleep quality, which is associated with disrupted circadian rhythmicity, is predictive of elevated morning cortisol ( Hatzinger et al , 2008 , 2010 ; Balbo et al , 2010 ; Bostock and Steptoe, 2013 ; Abell et al , 2016 ) and we found that self-reported poor sleep quality was associated with increased amygdala reactivity among participants scanned in the morning. Notably, this finding is further congruent with prior evidence that sleep deprivation is associated with increased amygdala reactivity ( Yoo et al , 2007 ; Motomura et al , 2013 , 2014 ; Simon et al , 2015 ; Reidy et al , 2016 ).…”
Section: Discussionsupporting
confidence: 87%
“…fear conditioning) are potentiated during the active phase of the circadian cycle, we hypothesized that amygdala reactivity would be highest during the morning and lowest during the afternoon and evening. Further in light of evidence that sleep deprivation enhances amygdala reactivity to threat ( Yoo et al , 2007 ; Motomura et al , 2013 , 2014 ; Simon et al , 2015 ; Reidy et al , 2016 ), we predicted that temporally-dependent amygdala reactivity would be moderated by subjective sleep quality.…”
Section: Introductionmentioning
confidence: 99%
“…We found that the GMV of the right superior occipital gyrus was negatively correlated with the severity of sleep disturbances. A recent fMRI study reported altered emotion-dependent functional connectivity between the occipital cortex and other brain regions and its positive association with sleep duration in a sample of school-aged children 56 . In contrast, a recent neuroimaging study conducted in a sample of primary insomnia patients found an increased volume and altered functional connectivity in the left superior occipital gyrus 40 .…”
Section: Discussionmentioning
confidence: 96%
“…Compared to other measures, such as the Pittsburgh Global Sleep Quality Index (PSQI; Backhaus, Junghanns, Broocks, Riemann, & Hohagen, 2002 ), the sleep measure in this study has not been empirically validated in prior work. While the questionnaire used in this study has face validity and other studies have used self-report measures to investigate neural correlates of subjectively reported sleep amount and tiredness (Killgore, 2013 ; Klumpp et al, 2017 ; Reidy et al, 2016 ), the questions rely on retrospective self-report up to 3 days before testing, which may have impacted results based on self-report bias that has been previously associated with psychological difficulties (Lauderdale et al, 2008 ). Moreover, sleep quality, onset, or latency are sleep measures that may be more informative indices than sleep amount measured in this study.…”
Section: Discussionmentioning
confidence: 99%
“…Sleep disturbances have been associated with alterations in subcortical and mPFC circuits, described above as key structures underlying emotion processing and showing abnormalities in pathological anxiety. These sleep-related neural effects have been proposed as a possible mechanism underlying the relationship between abnormal sleep regulation and emotional difficulties (Goldstein & Walker, 2014 ; Gruber & Cassoff, 2014 ; Reidy, Hamann, Inman, Johnson, & Brennan, 2016 ). Dysregulation of top-down inhibitory control of prefrontal regions over limbic structures has been associated with sleep deprivation, leading to abnormal emotional response (Gujar, Yoo, Hu, & Walker, 2011 ; Kaufmann et al, 2016 ; Walker, 2009 ).…”
Section: Introductionmentioning
confidence: 99%