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More than half of people with epilepsy complain that their memory function severely limits their daily functioning
.
This conclusion may not be substantiated even with neuropsychological assessments of such patients, and these complaints may arise from purely subjective feelings such as anxiety and depression
However, very long-term memory assessments, often limited to specific autobiographical memory symptoms, can expose accelerated long-term forgetting ( ALF , normal learning of new information but accelerated forgetting of that information in the following days or weeks)
.
Alzheimer's disease is especially common in transient epileptic amnesia (TEA) , a syndrome characterized by seizures and intensive transient amnesia with interictal ALF and retrograde memory deficits high prevalence)
Accelerated long-term amnesia ( ALF , normal learning of new information but accelerated forgetting of that information over the following days or weeks ) A syndrome characterized primarily by seizures and intensive transient amnesia, with a high prevalence of interictal ALF and retrograde memory deficits) transient epileptic amnesia (TEA)
Recently, researchers in 47 patients with temporal lobe epilepsy (TLE) underwent 2 surprise memory tests after 3 weeks, in order to verify that these TLE patients with subjective memory complaints did indeed have objective, very long-term related to ALF.
Hypothesis of memory deficits
.
Hypothesis of memory deficits
.
These patients with temporal lobe epilepsy (TLE) generally had memory complaints, but standard neuropsychological assessments revealed no memory impairment after a standard 20-minute delay
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Two surprise memory tests: 1.
Temporal lobe epilepsy (TLE) Temporal lobe epilepsy (TLE) Two surprise memory tests: 1.
- Forty-seven patients with TLE (12 with hippocampal sclerosis, 12 with enlarged amygdala, 11 with extensive disease, and 12 with normal MRI) underwent two surprise memory tests 3 weeks later
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They were compared with 35 healthy control subjects; - After 3 weeks, the FCSRT and epidermal recall scores of the patients were significantly lower than those of the control group (p<0.
The assessment of long-term memory should be extended to TLE patients with memory complaints and not limited to epilepsy syndromes, whether associated with the lesion or not
Lemesle B, Barbeau EJ, Rigal EM, et al.
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