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(seasonal affective disorder)
1,770 results
  • Does photoperiodism involve a seasonal and non-pathological Warburg effect? [Journal Article]
    Med Hypotheses 2019; 135:109447Raitiere MN
  • The precise means whereby mammals recognize and respond to changing day length so as to adjust their physiology to the seasons (photoperiodism) remains enigmatic. We present a new hypothesis according to which aerobic glycolysis (AG) within selected astrocytic syncytia plays a central role in photoperiodism. We focus on the response of the mammal breeding in longer days (LD) to the shorter days (…
  • Direct sunlight exposure reduces hair cortisol levels in rhesus monkeys (Macaca mulatta). [Letter]
    Zool Res 2019; 40(6):583-586Feng XL, Che HL, … Ren XF
  • Major depressive disorder (MDD), commonly known as depression, is a mental disease characterized by a core symptom of low mood. It lasts at least two weeks (Badamasi et al., 2019; Wang et al., 2019) and is frequently accompanied by low self-esteem, loss of interest in routinely enjoyable activities, low energy, and unexplained pain (Huey et al., 2018; Park et al., 2012; Post & Warden, 2018; Rice …
  • Seasonal variation in specific depressive symptoms: A population based study. [Journal Article]
    J Affect Disord 2020; 261:153-159Lukmanji A, Williams JVA, … Patten SB
  • CONCLUSIONS: Due to use of cross-sectional data and a brief symptom rating scale, conventional criteria for Seasonal Affective Disorder or Major Depressive Disorder with seasonal variation could not be applied. Also, treatment status of respondents was not assessed in the survey, therefore possible confounding by this variable could not be assessed.A seasonal pattern was observed in most symptoms of depression in Canadian youth, whereas in adults, only symptoms related to sleep and appetite disturbance displayed seasonal variation.
  • Sleep in seasonal affective disorder. [Review]
    Curr Opin Psychol 2019; 34:7-11Wescott DL, Soehner AM, Roecklein KA
  • Sleep in seasonal affective disorder (SAD) has been primarily characterized by delayed sleep timing and self-reports of hypersomnolence. It is unclear whether delayed sleep timing is due to circadian or behavioral misalignment and if effective treatments operate independently of the circadian system. Discrepancies between self-report and actigraphic/polysomnographic sleep duration in SAD hinder c…
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