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Post-traumatic amnesia (PTA) is a state of confusion that occurs immediately following a traumatic brain injury (TBI) in which the injured person is disoriented and unable to remember events that occur after the injury. [1] The person may be unable to state their name, where they are, and what time it is. [1]
Anterograde amnesia can also be caused by alcohol intoxication, a phenomenon commonly known as a blackout. Studies show rapid rises in blood alcohol concentration over a short period of time severely impair or in some cases completely block the brain's ability to transfer short-term memories created during the period of intoxication to long ...
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.
Anterograde amnesia is one type of memory loss where people have difficulty forming new memories after the amnesia-causing event. Skip to main content. 24/7 Help. For premium support please call: ...
This form of amnesia, like AA, remains distinct from RA. [13] Post-traumatic amnesia (PTA) is a state of confusion that occurs immediately following a traumatic brain injury in which the injured person is disoriented and unable to remember events that occur after the injury.
Complex Post-Traumatic Stress Disorder (CPTSD) Complex PTSD is a form of PTSD that can develop in people who experience ongoing or long-term trauma or multiple traumas. This may include ...
Amnesia is often caused by an injury to the brain, for instance after a blow to the head, and sometimes by psychological trauma. Anterograde amnesia is a failure to remember new experiences that occur after damage to the brain; retrograde amnesia is the loss of memories of events that occurred before a trauma or injury.
Head injury can give rise to either transient or persisting amnesia. Occasionally, post-traumatic amnesia (PTA) may exist without any retrograde amnesia (RA), but this is often more common in cases of penetrating lesions. Damage to the frontal or anterior temporal regions have been described to be associated with disproportionate RA.