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mood disorder

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prishasathish10 17 terms Apr 30, 2026
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Terms 17

1
Major Depressive Disorder
A mood disorder characterized by depressed mood or anhedonia lasting at least 2 weeks, plus at least 4 additional symptoms including weight changes, sleep disturbance, fatigue, guilt, concentration problems, or suicidal ideation.
2
Depressed Mood
A key symptom of major depressive disorder identified by subjective report of sadness, emptiness, or hopelessness, or observable tearfulness. In children and adolescents, it may manifest as irritable mood instead.
3
Anhedonia
Markedly diminished interest or pleasure in all or almost all activities, occurring most of the day. This is one of the two core criteria required for diagnosing major depressive disorder.
4
Persistent Depressive Disorder
A mood disorder occurring when major depressive disorder symptoms persist without remission for over 2 years, with no history of manic or hypomanic episodes.
5
Manic Episode
A period of abnormally elevated, expansive, or irritable mood lasting at least 1 week, accompanied by increased goal-directed activity and at least 3 additional symptoms like grandiosity, decreased need for sleep, or racing thoughts.
6
Elevated Mood
One of the core features of a manic episode characterized by abnormally and persistently elevated emotional state that is beyond normal happiness.
7
Grandiosity
Inflated self-esteem or an exaggerated sense of one's abilities and importance, occurring as a symptom during manic episodes.
8
Decreased Need for Sleep
A symptom of mania where the person feels refreshed and energetic after only 3 hours of sleep, without feeling fatigued.
9
Flight of Ideas
A subjective experience during mania of rapid succession of thoughts, often associated with racing thoughts and quick topic changes in speech.
10
Psychomotor Agitation
Purposeless, non-goal-directed activity occurring during a manic episode, distinguished from goal-directed activity by its lack of organized purpose.
11
Bipolar Disorder Type I
A bipolar disorder characterized by the occurrence of manic episodes and depressive episodes (not necessarily meeting full major depressive disorder criteria).
12
Bipolar Disorder Type II
A bipolar disorder characterized by the occurrence of hypomanic episodes and major depressive disorder episodes.
13
Cyclothymic Disorder
A mood disorder involving repeated hypomanic symptoms lasting at least 2 years, considered a less severe version of bipolar disorder lacking extreme mood changes, psychotic features, and marked functional impairment.
14
Hypomania
A less severe form of mania lasting several days, typically without the psychotic features, severe functional impairment, or hospitalization associated with full manic episodes.
15
Insomnia and Hypersomnia
Sleep disturbances occurring in depression characterized by either decreased sleep (insomnia) or increased sleep (hypersomnia), happening nearly every day.
16
Psychomotor Retardation
A slowing of movement and speech occurring in depression, contrasting with psychomotor agitation.
17
Flight of Ideas vs Racing Thoughts
Flight of ideas refers to the objective observation of rapid topic changes in speech, while racing thoughts is the subjective experience of thoughts moving too quickly.