A Critical View of Seasonal Affective Disorder

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A Critical View of Seasonal Affective Disorder

Abstract

This paper is intended to be a critical view of Seasonal Affective Disorder. In order to understand fully the biological and psychological components of the disease, as well as its possible causes and treatments, it is necessary to compile and interpret previously conducted research. Such is the purpose of this paper. First, the symptoms of Seasonal Affective Disorder will be explained and illustrated using data and case studies. Second, the possible causes of the disease will be outlined. Third, proposed treatments will be presented as possible solutions to this debilitating disease.

A Critical View of Seasonal Affective Disorder

Norman E. Rosenthal and his colleagues were the first to highlight a pattern of cyclical unipolar depression that was linked to the changing of the seasons, most often from fall to winter months through to the springtime, specifically November to March. His observations of case studies led to a rediscovery of SAD and a modern definition on the disease. In one particular case study, Rosenthal explained, “The patient’s tendency to overeat, feel fatigued and lethargic, oversleep, crave carbohydrates, and gain weight – depressive symptoms that have all been designated ‘atypical’ in the literature on depression – are actually common in SAD, although a significant minority of patients report the more ‘typical’ vegetative symptoms of eating less, sleeping less, and losing weight”(Rosenthal, 1993).

Thus, the symptoms of the majority of patients diagnosed with SAD were characteristic, and when linked to a cyclic pattern, could be identified. However, Rosenthal’s “significant minority” left room for confusion between SAD and simple unipolar depression. Often, other diseases must first have been ruled out, and a pattern of SAD symptoms over several years been established before proper diagnosis could occur. Despite this, Rosenthal’s work laid the foundation of any future studies conducted to determine the characteristics of SAD.

Although Rosenthal’s findings have been deemed accurate over the past 15 years, their validity was proven only through many other case and mass studies. For instance, Ybe Meesters conducted a very poignant case study in 1997 with a nine-yea...

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