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The circadian basis of winter depression


The circadian basis of winter depression - PubMed

The following test of the circadian phase-shift hypothesis for patients with winter depression (seasonal affective disorder, or SAD) uses ...

The circadian basis of winter depression - PNAS

Abstract. The following test of the circadian phase-shift hypothesis for patients with winter depression (seasonal affective disorder, or SAD) ...

The circadian basis of winter depression - PNAS

Abstract. The following test of the circadian phase-shift hypothesis for patients with winter depression (seasonal affective disorder, or SAD) uses low-dose ...

The circadian basis of winter depression. - APA PsycNet

The following test of the circadian phase-shift hypothesis for patients with winter depression (seasonal affective disorder, or SAD) uses low-dose melatonin ...

(PDF) The circadian basis of winter depression - ResearchGate

Most patients with winter depression are suggested to have a phase delay in their circadian rhythms. The efficacy of light in treatment of winter depression is ...

The phase shift hypothesis for the circadian component of winter ...

The leading hypothesis for winter depression (seasonal affective disorder, or SAD) is the phase shift hypothesis (PSH). The PSH was recently ...

Seasonal Affective Disorder: Sleep Tips to Beat the Winter Blues

SAD symptoms are closely related to a person's circadian rhythms, which influence when and for how long a person sleeps. Because of this, ...

Seasonal affective disorder (SAD) - Symptoms & causes - Mayo Clinic

Causes · Your biological clock (circadian rhythm). The reduced level of sunlight in fall and winter may cause winter-onset SAD . · Serotonin levels. A drop in ...

The circadian basis of mood disorders: Recent developments and ...

Circadian rhythm disturbances in major depression ... In view of the wide spectrum of physiological processes driven by the circadian clock, it is not surprising ...

The Science Behind the Winter Blues: Understanding Seasonal ...

Research suggests that changes in sunlight exposure are the primary cause of SAD. 1. It is hypothesized that lower levels of sunlight in winter ...

Sleep and circadian rhythm profiles in seasonal depression

Winter Depression: Integrating mood, circadian rhythms, and the sleep/wake and ... The circadian basis of winter depression ... (SAD), Subsyndromal Seasonal ...

Circadian rhythms and mood disorders: Time to see the light: Neuron

Environmental disruptions to normal sleep/wake patterns, light/dark changes, and seasonal changes can precipitate episodes. Moreover, treatments ...

Winter Depression: Integrating Mood, Circadian Rhythms, and the ...

The diagnosis of winter depression (seasonal affective disorder, or SAD) is based on its annual pattern of recurrence in the fall/winter and spontaneous ...

The circadian basis of winter depression - GoTriple

The following test of the circadian phase-shift hypothesis for patients with winter depression (seasonal affective disorder, or SAD) uses low-dose melatonin ...

The phase shift hypothesis for the circadian component of winter ...

Keywords: circadian rhythm; melatonin; seasonal affective disorder; winter ... The circadian basis of winter depression. Proc Natl Acad Sci U S A. 2006:103 ...

7 Circadian systems biology in seasonal affective disorder

Studies on the function of a group of genes using the circadian systems biology are likely to contribute to a better understanding of the basis of winter ...

Seasonal Affective Disorder (SAD), Circadian Rhythms and Genes

Seasonal affective disorder (SAD) is caused by the out-of-sync between body's biological clock and sunlight. People suffering SAD either have too much ...

Seasonal Affective Disorder (SAD) - Psychiatry.org

SAD has been linked to changes in the brain prompted by shorter daylight hours and less sunlight in winter. As seasons change, people experience a shift in ...

The Science Behind the Winter Blues | Pfizer

In the winter, as such light cues become weaker, our body clock becomes misaligned and melatonin secretion continues, tricking our bodies into thinking it's ...


Infradian rhythm

In chronobiology, an infradian rhythm is a rhythm with a period longer than the period of a circadian rhythm, i.e., one cycle is longer than 24 hours.