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A mood disorder, also known as an affective disorder, is any of a group of conditions of mental and behavioral disorder [2] where a disturbance in the person's mood is the main underlying feature. [3] The classification is in the Diagnostic and Statistical Manual of Mental Disorders (DSM) and International Classification of Diseases (ICD).
Depression is a mental state of low mood and aversion to activity. [3] It affects more than 280 million people of all ages (about 3.5% of the global population). [4] Depression affects a person's thoughts, behavior, feelings, and sense of well-being. [5] Depressed people often experience loss of motivation or interest in, or reduced pleasure or ...
In psychology, a mood is an affective state. In contrast to emotions or feelings, moods are less specific, less intense and less likely to be provoked or instantiated by a particular stimulus or event. Moods are typically described as having either a positive or negative valence. In other words, people usually talk about being in a good mood or ...
163 million (2017) [8] Major depressive disorder ( MDD ), also known as clinical depression, is a mental disorder [9] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, [10] the term was adopted by ...
Dysthymia ( / dɪsˈθaɪmiə / dihs-THIY-mee-uh ), also known as persistent depressive disorder ( PDD ), [3] is a mental and behavioral disorder, [5] specifically a disorder primarily of mood, consisting of similar cognitive and physical problems as major depressive disorder, but with longer-lasting symptoms. [3] [6] [7] The concept was used ...
A mental disorder, also referred to as a mental illness, [6] a mental health condition, [7] or a psychiatric disability, [2] is a behavioral or mental pattern that causes significant distress or impairment of personal functioning. [8] A mental disorder is also characterized by a clinically significant disturbance in an individual's cognition ...
Neuroticism. Neuroticism is a personality trait associated with negative emotions. It is one of the Big Five traits. Individuals with high scores on neuroticism are more likely than average to experience such feelings as anxiety, worry, fear, anger, frustration, envy, jealousy, pessimism, guilt, depressed mood, and loneliness. [1]
Psychology. Cognitive disorders ( CDs ), also known as neurocognitive disorders ( NCDs ), are a category of mental health disorders that primarily affect cognitive abilities including learning, memory, perception, and problem-solving. Neurocognitive disorders include delirium, mild neurocognitive disorders, and major neurocognitive disorder ...