Mood and behavioral effects of four-week light treatment in winter depressives and controls
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Cited by (39)
Temporal dynamics of subjective sleep profiles predicting mood improvements during adjunctive light therapy combined with sleep rescheduling
2021, Journal of Affective Disorders ReportsCitation Excerpt :The response to antidepressant medications relative to placebo has been reported to emerge after two weeks (Quitkin et al., 1984), but little is known about the time course of the antidepressant effects of light therapy. A study on seasonal affective disorder reported greater reductions in depressive symptoms following four weeks of light therapy (Bauer et al., 1994). Considering the fairly rapid sleep-enhancing and chronotropic effects of appropriately timed light exposure (Lack et al., 2007), improvement in the ease to fall asleep, driven by sleep and circadian restoration, may have rapid direct effects on mood.
Rate of switch from bipolar depression into mania after morning light therapy: A historical review
2018, Psychiatry ResearchSmart environment architecture for emotion detection and regulation
2016, Journal of Biomedical InformaticsCitation Excerpt :The authors find out some strong associations capable of improving these issues. Also, a seminal work has proved the time-course and durability of antidepressant effects of bright light in winter on depressive patients [92]. Exposure to light appears to cause higher clinician ratings of hypo-manic symptoms in patients.
Light therapy in the treatment of patients with bipolar depression: A meta-analytic study
2016, European NeuropsychopharmacologyCitation Excerpt :Abnormalities in melatonin secretion and circadian rhythm have been reported in patients with bipolar disorder (Bhattacharjee, 2007; Neumeister et al., 1997, 1998; Plante and Winkelman, 2008), and modification of circadian rhythm has been reported to rapidly improve the symptoms of mood disorder (Benedetti et al., 2007a; Bunney and Potkin, 2008). Most previous clinical trials and studies on light therapy have focused on seasonal affective disorder (Avissar et al., 1999; Bauer et al., 1994; Pjrek et al., 2004). However, light therapy has attracted increasing attention for the treatment of other affective disorders, especially BD-D and major depressive disorder (MDD).
The influence of light administration on interpersonal behavior and affect in people with mild to moderate seasonality
2014, Progress in Neuro-Psychopharmacology and Biological PsychiatryCitation Excerpt :A number of studies (Avery et al., 2001; Kasper et al., 1989a, 1990; Partonen and Lönnqvist, 2000) found that bright light (2500 lx) improved mood and vitality in healthy individuals, who reported experiencing winter changes in their mood and behavior, but considered such fluctuations as normal seasonal experiences. However, other studies found no beneficial effect of light (Bauer et al., 1994; Genhart et al., 1993; Rosenthal et al., 1987). One possible explanation for the inconsistent results is the relative insensitivity of the scales sometimes used.
Exposure to bright light is associated with positive social interaction and good mood over short time periods: A naturalistic study in mildly seasonal people
2008, Journal of Psychiatric ResearchCitation Excerpt :Treatment usually consisted of 2500 lux daily for various lengths of time over the course of at least a week. While some studies found that bright light could improve mood (Avery et al., 2001; Kasper et al., 1989a; Partonen and Lonnqvist, 2000), others did not (Bauer et al., 1994; Genhart et al., 1993; Rosenthal et al., 1987). Overall, these findings suggest that artificial bright light, when administered over longer time periods, may mostly benefit individuals with marked seasonality, although individuals with only mild seasonality may also show positive effects when provided with appropriate light doses.