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Treating Seasonal Affective Disorder

Treating Seasonal Affective Disorder. By: Melissa Green. Table of contents. What is SAD? Symptoms of SAD Physiology Treatment Options. Light Therapy Vitamin D Antidepressant Medication Group Therapy Cognitive Behavioral Therapy Mindfulness-based Cognitive Therapy Outdoor Therapy.

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Treating Seasonal Affective Disorder

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  1. Treating Seasonal Affective Disorder By: Melissa Green

  2. Table of contents • What is SAD? • Symptoms of SAD • Physiology • Treatment Options • Light Therapy • Vitamin D • Antidepressant Medication • Group Therapy • Cognitive Behavioral Therapy • Mindfulness-based Cognitive Therapy • Outdoor Therapy

  3. What is SAD? • Seasonal affective disorder (SAD), also known as winter depression, winter blues, summer depression, summer blues, or seasonal depression, is a mood disorder in which people who have normal mental health throughout most of the year experience depressive symptoms in the winter or summer, spring or autumn year after year.

  4. What is SaD? • The U.S. National Library of Medicine notes that "some people experience a serious mood change when the seasons change. They may sleep too much, have little energy, and may also feel depressed. Though symptoms can be severe, they usually clear up."

  5. symptoms • Symptoms of SAD may consist of difficulty waking up in the morning, morning sickness, tendency to oversleep and over eat, especially a craving for carbohydrates, which leads to weight gain. Other symptoms include a lack of energy, difficulty concentrating on or completing tasks, and withdrawal from friends, family, and social activities and decreased sex drive.

  6. Physiology • Seasonal mood variations are believed to be related to light. One possibility is that SAD is related to a lack of serotonin, and serotonin polymorphisms could play a role in SAD. Another theory is that the cause may be related to melatonin which is produced in dim light and darkness by the pineal gland, since there are direct connections, via the retinohypothalamic tract and the suprachiasmatic nucleus, between the retina and the pineal gland.

  7. Treatment options • Fortunately, there are many different treatments for classic (winter-based) seasonal affective disorder, including light therapy, medication, ionized-air administration, cognitive-behavioral therapy and carefully timed supplementation of the hormone melatonin.

  8. Light therapy • Light therapy uses a light box, which emits far more lumens than a customary incandescent lamp. Bright white "full spectrum" light at 10,000 lux, blue light at a wavelength of 480 nm at 2,500 lux or green (actually cyan or blue-green) light at a wavelength of 500 nm at 350 lux are used, with the first-mentioned historically preferred. Bright light therapy is effective with the patient sitting a prescribed distance, commonly 30–60 cm, in front of the box with her/his eyes open but not staring at the light source for 30–60 minutes.

  9. Vitamin d • Another explanation is that vitamin D levels are too low when people do not get enough Ultraviolet-B on their skin. An alternative to using bright lights is to take vitamin D supplements. A study of Canadians of wholly Icelandic descent also showed low levels of SAD. It has more recently been suggested that this may be attributed to the large amount of fish traditionally eaten by Icelandic people, rather than to genetic predisposition; a similar anomaly is noted in Japan, where annual fish consumption in recent years averages about 60 kg per capita. Fish are high in vitamin D. Fish also contain docosahexaenoic acid (DHA), which has been shown to help with a variety of neurological dysfunctions.

  10. Antidepressant medications • Antidepressant medication (ADM) has been shown to be effective in treating various forms of depression. Bupropion, a norepinephrine-dopamine reuptake inhibitor, was approved by the U.S. Food and Drug Administration for the prevention of seasonal affective disorder.ADMs are considered to be largely compensatory in nature. In other words, ADMs may suppress depressive symptoms while they are being used, but lasting changes are not guaranteed once treatment is discontinued.

  11. Group therapy • OTs in mental health settings often lead groups for inpatients and outpatients with mood disorders.Some group therapy topics that target occupational performance issues related to SAD could include: • Stress management • Social skills and networking • Weight control and nutrition • Smoking cessation • Substance abuse • Time management • Wintertime activities • Sleep education • Self-esteem • Sexual health

  12. Cognitive Behavioral Therapy (CBT) • CBT aims to help clients identify the expectations and interpretations that can lead them towards depression and anxiety; adjust to reality; and break through their avoidances and inhibitions.Occupational therapists can help clients with SAD engage in pleasurable activities in the winter months: • Developing a repertoire of wintertime leisure interests • Using diaries to record automatic negative thoughts • Creating a balanced activity level • Improving time management skills • Problem solving about situations that initiate negative thinking • Setting goals and plans for maintaining gains and preventing relapse

  13. Mindfulness-based cognitive therapy (MBCT) • Unlike CBT, MBCT does not emphasize changing thought contents or core beliefs related to depression. It instead focuses on meta-cognitive awareness techniques, which are said to change the relationship between one’s thoughts and feelings. Once awareness of negative feelings and thoughts are cultivated, MBCT emphasizes accepting and letting them go.

  14. Outdoor therapy • Outdoor therapy is yet another psychotherapeutic intervention that OTs can recommend. Outdoor work has been used effectively as a therapy to treat those with mood difficulties during the winter season in Denmark. Similarly, outdoor walking can provide a “therapeutic effect” to individuals with SAD that is on par with light therapy. Occupational therapists should incorporate outdoor occupations into their interventions with clients diagnosed with SAD.

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