Major Depressive Disorder Case Study

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Twenty percent of individuals are diagnosed with major depressive disorder (MDD) in their lives. “Major depressive disorder is one of the most common psychiatric disorders in the United States” (Olson, 2017). Aerobic exercise has been the focus of an effective treatment for depression. One study was done that looked at exercise as an “augmentation strategy for patients reporting persistent cognitive deficits following selective serotonin reuptake inhibitor treatment” (Olson, 2017). Groups in this study showed improvements in cognitive control. Overall, there has been inadequate research conducted that focuses on the benefits of using exercise as an intervention for depression and cognitive function. The purpose of this study was to…show more content…
An electroencephalogram (EEG) was used on patients to measure brain activity. The EEG was used during cognitive control tasks and event related potentials/ N2 amplitude. After evaluating the data, researchers found that “aerobic exercise increased N2 amplitude to incongruent flanker task trials” (Olson. 2017). This showed an overall increase in cognitive control. Aerobic exercise also was shown to decrease symptoms of depression and rumination. After the eight weeks of aerobic exercise, participants saw a 58% reduction in depressive symptoms (Olson, 2017). Researchers also made correlations between N2 amplitudes and depressive symptoms. “N2 amplitudes were significantly correlated with change in depressive symptoms and ruminations” (Olson, 2017). The findings from this study suggest that aerobic exercise can help decrease the symptoms of depression and increase cognitive control processes. According to Olson, many people have reported that their depressive symptoms have not gone away with the use of antidepressant treatments. Incorporating the use of exercise as a treatment for cognitive control can benefit individuals with MDD. Participants were collected from university clinics, referrals from doctors and physicians, and from university advertisements. The study focused specifically on
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