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Seasonal affective disorders

S A Saeed1, T J Bruce

  • 1Department of Psychiatry and Behavioral Medicine, University of Illinois College of Medicine at Peoria, USA.

American Family Physician
|April 9, 1998
PubMed
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Seasonal affective disorder, a type of depression linked to seasons, often presents as winter depression. Light therapy is an effective treatment option for this condition.

Area of Science:

  • Psychiatry
  • Sleep Medicine

Background:

  • Seasonal affective disorder (SAD) is a recurring pattern of depressive episodes linked to seasonal changes.
  • It is recognized within major depressive and bipolar disorders according to the DSM-IV criteria.
  • Winter depression, a common form of SAD, involves depression, increased sleep, appetite, and weight gain during autumn and winter.

Purpose of the Study:

  • To review the diagnostic criteria and treatment options for seasonal affective disorder.
  • To highlight the established effectiveness of light therapy for winter depression.
  • To support the assessment and consideration of light therapy for patients experiencing SAD.

Main Methods:

  • Literature review of seasonal affective disorder.
  • Analysis of diagnostic criteria from the DSM-IV.

Related Experiment Videos

  • Evaluation of treatment modalities, focusing on light therapy.

    • Main Results:

    • Seasonal affective disorder is a recognized pattern of mood episodes associated with seasonal shifts.
    • Light therapy has demonstrated effectiveness in treating winter depression.
    • Despite ongoing research into SAD's validity and light therapy's mechanisms, its clinical utility is supported.

    Conclusions:

    • Seasonal affective disorder, particularly winter depression, is a treatable condition.
    • Light therapy is a valuable treatment option for seasonal affective disorder.
    • Assessment for seasonal patterns of depression is recommended for appropriate patient care.