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Currently, the pathophysiological mechanisms which produce post-traumatic amnesia are not completely known. The most common research strategy to clarify these mechanisms is the examination of the impaired functional capabilities of people with post-traumatic amnesia (PTA) after a traumatic brain injury. [15]
The DSM-IV lists criteria for diagnosis of PCD in people who have had a head trauma with persistent post-traumatic amnesia, loss of consciousness, or post-traumatic seizures. [33] In addition, for a diagnosis of PCD, patients must have neuropsychological impairment as well as at least three of the symptoms marked with a check mark in the table ...
Dissociative amnesia or psychogenic amnesia is a dissociative disorder "characterized by retrospectively reported memory gaps. These gaps involve an inability to recall personal information, usually of a traumatic or stressful nature."
Dissociative amnesia (formerly psychogenic amnesia): the loss of recall memory, specifically episodic memory, typically of or as a reaction to traumatic or stressful events. It is considered the most common dissociative disorder amongst those documented.
Post-traumatic amnesia is generally due to a head injury. Traumatic amnesia is often transient, but may be permanent or either anterograde, retrograde, or mixed type. The extent of the period covered by the amnesia is related to the degree of injury and may give an indication of the prognosis for recovery of other functions.
Symptoms of a mild brain injury include headaches, confusions, tinnitus, fatigue, changes in sleep patterns, mood or behavior. Other symptoms include trouble with memory, concentration, attention or thinking. [3] Mental fatigue is a common debilitating experience and may not be linked by the patient to the original (minor) incident.
Transient global amnesia; Areas of hypoperfusion, seen above in the left sided hippocampus (seen as white punctate lesions on diffusion weighted MRI) are a characteristic finding in Transient Global Amnesia: Specialty: Neurology: Symptoms: Memory impairment: Complications: Usually no long term sequelae: Usual onset: Sudden: Duration: Less than ...
Post-traumatic stress disorder (PTSD) [b] is a mental and behavioral disorder [8] that develops from experiencing a traumatic event, such as sexual assault, domestic violence, child abuse, warfare and its associated traumas, natural disaster, traffic collision, or other threats on a person's life or well-being.
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