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The seasonal mood disorders that were recurrent in this study are as follows: "depression, 51%, and bipolar disorder, 49%, with 30% of the latter having mania (bipolar disorder type I) and 19% having hypomania (bipolar disorder type II)". [28] When a mood disorder recurs in a seasonal pattern it is described as a seasonal affective disorder ...
Seasonal affective disorder (SAD) is a mood disorder subset in which people who typically have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year. [ 1 ] [ 2 ] It is commonly, but not always, associated with the reductions or increases in total daily sunlight hours that occur during the winter ...
The SPAQ is a screening instrument for seasonal affective disorder (SAD), a recurrent major depressive disorder that typically affects its victims during the fall and winter months. It was first developed by American psychiatrist Norman E. Rosenthal and his National Institute of Mental Health colleagues in 1984, and continues to be widely used.
“This means that someone living in a sunny state might still feel the effects of SAD, especially if they spend significant time indoors and away from natural light.” Myth #3: SAD affects only ...
Seasonal affective disorder is a type of depression that occurs in late fall and winter that has to do with the lack of sunlight. Having shorter days and longer nights during fall and winter can ...
SAD, first discovered and named in the 1980s by South African psychiatrist Dr. Norman Rosenthal, can cause symptoms from sadness to apathy, which can lead to troubles at work and in relationships ...
The occurrence of low-level depression during the winter months, or seasonal affective disorder, may have been adaptive in the past, by limiting physical activity at times when food was scarce. [76] It is argued that humans have retained the instinct to experience low mood during the winter months, even if the availability of food is no longer ...
The Schedule for Affective Disorders and Schizophrenia (SADS) [note 1] is a collection of psychiatric diagnostic criteria and symptom rating scales originally published in 1978. [1] It is organized as a semi-structured diagnostic interview.