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Psychiatry. 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 ...
screening instrument for seasonal affective disorder. The Seasonal Pattern Assessment Questionnaire, or SPAQ, is a simple, self-administered screening test for Seasonal Affective Disorder, first developed in 1984. Though some aspects of its accuracy have been questioned since then, it is widely used today, especially by SAD researchers.
Seasonal Affective Disorder (SAD) affects millions of Americans, and cases usually start to rise in late fall or early winter. But there are ways you can start preparing for SAD now, reducing your ...
Atypical depression is defined in the DSM -IV as depression that shares many of the typical symptoms of major depressive disorder or dysthymia but is characterized by improved mood in response to positive events. In contrast to those with atypical depression, people with melancholic depression generally do not experience an improved mood in ...
Seasonal affective disorder is a form of depression with serious symptoms, like constant low energy and social isolation. Here are expert-approved ways of coping.
Light therapy is the go-to treatment for seasonal affective disorder. It involves exposing yourself to a light box with at least 10,000 lux for at least 30 minutes.
Dr. Norman Rosenthal, a light-therapy pioneer from South Africa, shares his insights on the disorder that he discovered in the 1980s. 3 questions about seasonal affective disorder — SAD — for ...
Norman E. Rosenthal is an American author, psychiatrist and scientist who first described seasonal affective disorder (SAD), and developed light therapy as a treatment. Rosenthal was born and educated in South Africa but moved to the United States to complete his medical training.