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Positive features of dissociative or non-epileptic seizures include prolonged motionless unresponsiveness, long duration episodes (>2minutes) and symptoms of dissociation prior to the attack. These signs can be usefully discussed with patients when the diagnosis is being made.
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 ...
The International Classification of Diseases (ICD) is an international standard diagnostic classification for a wide variety of health conditions. The ICD-10 states that mental disorder is "not an exact term", although is generally used "...to imply the existence of a clinically recognisable set of symptoms or behaviours associated in most cases with distress and with interference with ...
These symptoms must be present for at least 2 weeks, represent a change from the patient's normal behavior, and cannot be attributed to another medical condition [22] or substance use. [1] Symptoms must also cause clinically significant distress in important areas of everyday life (eg. social or occupational). [22]
[9] [10] [11] Although these symptoms are possible in epileptic seizures, they are much more commonly found in PNES. PNES episodes are often less injurious than epileptic seizures. Unlike epilepsy, many PNES patients presenting with total unresponsiveness still retain some form of conscious response, including the natural behavior to protect ...
Atypical depression has high comorbidity with anxiety disorders, carries more risk of suicidal behavior, and has distinct personality psychopathology and biological traits. [2] Atypical depression is more common in individuals with bipolar I, [2] bipolar II, [2] [8] cyclothymia, [2] or seasonal affective disorder. [4]
Minor depressive disorder, also known as minor depression, is a mood disorder that does not meet the full criteria for major depressive disorder but at least two depressive symptoms are present for a long time. These symptoms can be seen in many different psychiatric and mental disorders, which can lead to more specific diagnoses of an ...
There are many psychiatric and medical conditions that may mimic some or all of the symptoms of depression or may occur comorbid to it. [11] [12] [13] A disorder either psychiatric or medical that shares symptoms and characteristics of another disorder, and may be the true cause of the presenting symptoms is known as a differential diagnosis. [14]