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It is suitable for patients with moderate to severe traumatic brain injury. The WPTAS is the most common post-traumatic amnesia scale used in Australia and New Zealand. [32] An abbreviated version has been developed to assess patients with mild traumatic brain injury, the Abbreviated Westmead PTA Scale (AWPTAS). [33]
In neurology, retrograde amnesia (RA) is the inability to access memories or information from before an injury or disease occurred. [1] RA differs from a similar condition called anterograde amnesia (AA), which is the inability to form new memories following injury or disease onset. [2]
Retrograde amnesia (RA) is a loss of access to events and information of the past after the onset of disease or injury [1]. RA is often temporally graded, consistent with Ribot's Law : more recent memories closer to the traumatic incident are more likely to be forgotten than more remote memories [ 2 ] .
There is no universally accepted diagnostic criteria for TGA, however proposed diagnostic criteria include: the absence of seizures, the absence of a head injury, symptoms that resolve within 24 hours, and the dysfunction or impairment being limited to amnesia (both retrograde and anterograde). [4]
Focal retrograde amnesia (FRA), sometimes known as functional amnesia, refers to the presence of retrograde amnesia while knowledge acquisition remains intact (no anterograde amnesia). Memory for how to use objects and perform skills ( implicit memory ) may remain intact while specific knowledge of personal events or previously learned facts ...
Because psychogenic amnesia is defined by its lack of physical damage to the brain, [16] treatment by physical methods is difficult. [7] Nonetheless, distinguishing between organic and dissociative memory loss has been described as an essential first-step in effective treatments. [1]
Traumatic brain injury (TBI) often occurs from damage to the brain caused by an outside force, and may lead to cases of amnesia depending on the severity of the injury. [8] 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 ...
Traumatic brain injury often occurs from damages to the brain caused by an outside force, and may lead to cases of amnesia depending on the severity of the injury [8]. 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 ...