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A 1991 study on a sample from Winnipeg, Manitoba estimated the prevalence of depersonalization disorder at 2.4% of the population. [73] A 2008 review of several studies estimated the prevalence between 0.8% and 1.9%. [66] This disorder is episodic in only one-third of individuals, [25] with each episode lasting from hours to months at a time ...
People with schizophrenia often describe their self-disorders as causing more suffering for them than psychosis. [2] Self-disorders underlie most of the first-rank symptoms, those often termed passivity phenomena. There is a current proposal to list self-disorder as one of the symptoms of schizophrenia in the upcoming ICD-11. [25]
Recurrent brief depression (RBD) defines a mental disorder characterized by intermittent depressive episodes, not related to menstrual cycles in women, occurring between approximately 6–12 times per year, over at least one year or more fulfilling the diagnostic criteria for major depressive episodes (DSM-IV and ICD-10) except for duration in which RBD is less than 14 days (typically 5–7 ...
Avoidant personality disorder (AvPD), or anxious personality disorder, is a cluster C personality disorder characterized by excessive social anxiety and inhibition, fear of intimacy (despite an intense desire for it), severe feelings of inadequacy and inferiority, and an overreliance on avoidance of feared stimuli (e.g., self-imposed social isolation) as a maladaptive coping method. [1]
The International Statistical Classification of Diseases and Related Health Problems (ICD-10) refers to the diagnosis as "Other dissociative and conversion disorders". [2] Under the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM) , it was known as " Dissociative disorder not otherwise specified " ( DDNOS ).
Cyclothymia (/ ˌ s aɪ k l ə ˈ θ aɪ m i ə /, siy-kluh-THIY-mee-uh), also known as cyclothymic disorder, psychothemia / psychothymia, [5] bipolar III, [6] affective personality disorder [7] and cyclothymic personality disorder, [8] is a mental and behavioural disorder [9] that involves numerous periods of symptoms of depression and periods of symptoms of elevated mood. [3]
Bipolar disorder can also involve depressive episodes, which have the same symptoms that people with major depressive disorder experience. Symptoms of a depressive episode can include : Feeling ...
Mania is a syndrome with multiple causes. [7] Although the vast majority of cases occur in the context of bipolar disorder, it is a key component of other psychiatric disorders (such as schizoaffective disorder, bipolar type) and may also occur secondary to various general medical conditions, such as multiple sclerosis; certain medications may perpetuate a manic state, for example prednisone ...