adj.单极的

Unipolar disorder, also known as major depressive disorder, is characterized by persistent feelings of sadness and hopelessness.
翻译：单极性障碍，也称为重度抑郁症，其特征是持续的悲伤和绝望感。
Bipolar disorder is different from unipolar depression in that it involves both manic and depressive episodes.
翻译：双极性障碍与单极性抑郁不同之处在于它包括躁狂期和抑郁期。
The diagnosis of unipolar depression requires the absence of any history of manic or hypomanic episodes.
翻译：单极性抑郁症的确诊需要排除任何躁狂或轻躁狂发作的历史。
Electroconvulsive therapy can be an effective treatment for some patients with severe unipolar depression.
翻译：电休克疗法可以对某些严重的单极性抑郁症患者有效。
Antidepressants are commonly prescribed to individuals experiencing unipolar depression.
翻译：抗抑郁药通常被开给经历单极性抑郁的人群。
Some scientists believe that genetic factors play a significant role in the development of unipolar depression.
翻译：一些科学家认为遗传因素在单极性抑郁症的发生中起着重要作用。
A person with unipolar depression may experience difficulty sleeping and a loss of interest in activities they once enjoyed.
翻译：患有单极性抑郁症的人可能会出现睡眠困难，并对自己曾经喜欢的活动失去兴趣。
Cognitive behavioral therapy is often used alongside medication to treat unipolar depression.
翻译：认知行为疗法经常与药物治疗一起用于治疗单极性抑郁症。
Stressful life events can trigger episodes of unipolar depression.
翻译：压力生活事件可能引发单极性抑郁发作。
Unipolar depression is more common than bipolar disorder, affecting millions of people worldwide.
翻译：单极性抑郁症比双极性障碍更为常见，影响了全球数百万人口。