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Schizophrenia is a mental disorder characterized by significant alterations in perception, thoughts, mood, and behavior. [34] Symptoms are described in terms of positive, negative, and cognitive symptoms. [3] [35] The positive symptoms of schizophrenia are the same for any psychosis and are sometimes referred to as psychotic symptoms. These may ...
Bipolar disorder (BD) (also called "manic depression" or "manic-depressive disorder"), an unstable emotional condition characterized by cycles of abnormal, persistent high mood and low mood , [32] which was formerly known as "manic depression" (and in some cases rapid cycling, mixed states, and psychotic symptoms). [33]
Schizoaffective disorder is a mental disorder characterized by symptoms of both schizophrenia and a mood disorder, either bipolar disorder or depression. [4] [5] The main diagnostic criterion is the presence of psychotic symptoms for at least two weeks without prominent mood symptoms. [5]
Schizophrenia is a primary psychotic disorder, whereas, bipolar disorder is a primary mood disorder which can also involve psychosis. Both schizophrenia and bipolar disorder are characterized as critical psychiatric disorders in the Diagnostic and Statistical Manual of Mental Disorders fifth edition (DSM-5). [1]
schizophrenia; mood disorders including psychotic depression and bipolar disorder in the manic and mixed episodes of bipolar I disorder and depressive episodes of both bipolar I and bipolar II; schizoaffective disorder; delusional disorder; brief psychotic disorder; schizophreniform disorder; Psychotic symptoms may also be seen in: [31]
These two dimensions reflect a distinction between internalizing disorders, such as mood or anxiety symptoms, and externalizing disorders such as behavioral or substance use symptoms. [34] A single general factor of psychopathology, similar to the g factor for intelligence, has been empirically supported.
Schizophreniform disorder is a type of mental illness that is characterized by psychosis and closely related to schizophrenia.Both schizophrenia and schizophreniform disorder, as defined by the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR), have the same symptoms and essential features except for two differences: the level of functional impairment and the duration of symptoms.
Delusions ("non-bizarre") are also present in delusional disorder, and social withdrawal in social anxiety disorder, avoidant personality disorder and schizotypal personality disorder. Schizophrenia cannot be diagnosed if symptoms of mood disorder are substantially present, or if symptoms of pervasive developmental disorder are present unless ...
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