V2EX major depressive disorder

Major Depressive Disorder

定义 Definition

重度抑郁障碍(MDD):一种常见的情绪障碍,核心特征是持续的抑郁心境和/或兴趣与愉悦感显著下降,并伴随睡眠、食欲、精力、注意力、自我评价等方面的改变,严重时可能影响学习、工作与日常功能。该诊断通常要求症状持续一段时间并达到一定数量与严重程度(不同诊断体系的表述略有差异)。

发音 Pronunciation (IPA)

/medr dprsv dsrdr/

例句 Examples

I was diagnosed with major depressive disorder last year.
我去年被诊断为重度抑郁障碍。

Major depressive disorder can affect sleep, appetite, and concentration, so treatment often includes therapy and sometimes medication.
重度抑郁障碍会影响睡眠、食欲和专注力,因此治疗通常包括心理治疗,有时也会配合药物。

词源 Etymology

major 源自拉丁语 maior(“更大、更重要”),在医学语境里表示“更严重/更重度”;depressive 来自拉丁语 deprimere(“压下、使低落”),引申为“抑郁的”;disorder 由 *dis-*(“不、离开”)+ order(“秩序”)构成,表示“失序、紊乱”。合起来即“以抑郁为主要表现的重度障碍”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • **Diagnostic and Statistical Manual of Mental Disorders (DSM-5)**(《精神障碍诊断与统计手册》第五版):以“Major Depressive Disorder”作为标准诊断条目系统阐述。
  • Andrew Solomon, The Noonday Demon: An Atlas of Depression(安德鲁所罗门《正午的恶魔:抑郁症地图》):在讨论抑郁症谱系与临床经验时常涉及 MDD 的概念与诊断语言。
  • National Institute of Mental Health (NIMH) publications(美国国立精神卫生研究所科普资料):常以该术语介绍症状、治疗与流行病学信息。
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