Housecall: Seasonal affective disorder

THIS WEEK'S TOP STORIES Seasonal affective disorder If the shorter days are leaving you moody and less energized, it could be seasonal affective disorder ? a type of depression related to changes in seasons. Here are the facts. Mindfulness exercises Stressed out by the election or upcoming holidays? Mindfulness exercises, a form of meditation, can [...]
Source: News from Mayo Clinic - Category: Databases & Libraries Source Type: news

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Source: European Journal of Neuroscience - Category: Neuroscience Authors: Tags: Special Issue Review Source Type: research
Seasonal affective disorder: Diagnosis and treatment Seasonal affective disorder is a type of depression related to changes in seasons. For most people with seasonal affective disorder, symptoms start in the fall and continue into the winter months, sapping their energy and making them moody. Symptoms may start out mild and become more severe as the [...]
Source: News from Mayo Clinic - Category: Databases & Libraries Source Type: news
SAD, otherwise known as seasonal affective disorder, is a type of depression that usually occurs during winter time. Over the last few years SAD lamps have become more popular with people trying to remedy the problem, so should you invest in one this winter? Dr Dawn Harper issues her advice.
Source: Daily Express - Health - Category: Consumer Health News Source Type: news
A new study examines the brains of people with seasonal affective disorder to examine why some people do not develop depression despite being at risk.
Source: Health News from Medical News Today - Category: Consumer Health News Tags: Depression Source Type: news
Sometimes when you’re stuck in your own stuff, you forget that the world is changing outside you. You zoom into what’s going wrong and that narrow focus prevents you from seeing what’s going right. Like this week, I learned that we’re predisposed to forgive, which one of four personality types I might be, and the innovative ways colleges are trying to reach students grappling with mental illness. It reminded me things are always improving. We’re getting closer to understanding ourselves and each other a little better. Isn’t that exciting? I hope you enjoy this sample of psychology offeri...
Source: World of Psychology - Category: Psychiatry & Psychology Authors: Tags: Best of Our Blogs Source Type: blogs
Abstract Light profoundly affects the behavior and physiology of almost all animals, including humans. One such effect in humans is that the level of illumination during the day positively contributes to affective well-being and cognitive function. However, the neural mechanisms underlying the effects of daytime light intensity on affect and cognition are poorly understood. One barrier for progress in this area is that almost all laboratory animal models studied are nocturnal. There are substantial differences in how light affects nocturnal and diurnal species, e.g., light induces sleep in nocturnal mammals and wa...
Source: Hormones and Behavior - Category: Endocrinology Authors: Tags: Horm Behav Source Type: research
Seasonal affective disorder (SAD) is a recurrent illness affecting around 5% of the population at temperate latitudes (Rosenthal et  al., 1984; Lewy et al., 2009). Most frequently, patients experience depressive symptoms during fall and winter, with full remission to normal mood or switch into hypo/mania during spring and summer (Lam et al., 1995; Zauderer and Ganzer, 2015). This predominant manifestation of SAD is called win ter depression (Magnusson and Boivin, 2003).
Source: Journal of Affective Disorders - Category: Neurology Authors: Source Type: research
Authors: Cools O, Hebbrecht K, Coppens V, Roosens L, De Witte A, Morrens M, Neels H, Sabbe B Abstract INTRODUCTION: A seasonal affective disorder (SAD) is a subtype of unipolar and bipolar major depressive disorders. It is characterized by its annual recurrence of depressive episodes at a particular season, mostly seen in winter and is responsible for 10-20% of the prevalence of major depressive disorders. Some pathophysiological hypotheses, such as the phase delay and the monoamine depletion hypotheses, have been postulated but the exact cause has not been fully unraveled yet. Studies on treatment for SAD in the l...
Source: Expert Opinion on Pharmacotherapy - Category: Drugs & Pharmacology Tags: Expert Opin Pharmacother Source Type: research
Authors: Wirz-Justice A, Ajdacic V, Rössler W, Steinhausen HC, Angst J Abstract The prevalence of autumn/winter seasonality in depression has been documented in the longitudinal Zurich cohort study by five comprehensive diagnostic interviews at intervals over more than 20 years (N = 499). Repeated winter major depressive episodes (MDE-unipolar + bipolar) showed a prevalence of 3.44% (5× more women than men), whereas MDE with a single winter episode was much higher (9.96%). A total of 7.52% suffered from autumn/winter seasonality in major and minor depressive mood states. ...
Source: European Archives of Psychiatry and Clinical Neuroscience - Category: Psychiatry Tags: Eur Arch Psychiatry Clin Neurosci Source Type: research
Abstract Identifying objectively measurable seasonal changes in 24-h activity patterns (rest-activity rhythms or RARs) that occur in seasonal affective disorder (SAD) could help guide research and practice towards new monitoring tools or prevention targets. We quantified RARs from actigraphy data using non-parametric and extended cosine based approaches, then compared RARs between people with SAD and healthy controls in the summer (n = 70) and winter seasons (n = 84). We also characterized the within-person seasonal RAR changes that occurred in the SAD (n = 19) and control (n =&n...
Source: Chronobiology International - Category: Biology Authors: Tags: Chronobiol Int Source Type: research
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