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ArticleAnnals of Indian Academy of Neurology2025

Autobiographical Memory Deficits in Persons with Epilepsy: Is There Epoch Specificity in Quantified Reminiscence?

Kiren G Koshy, Pavan K Rudrabhatla, M L Arya, Devika Kumar, N Razi, Ashalatha Radhakrishnan, Bejoy Thomas, Chandrasekharan Kesavadas, Sanjeev V Thomas, Ramshekhar N Menon

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Article in Annals of Indian Academy of Neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

10 authors.

Kiren G KoshyDepartment of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Pavan K RudrabhatlaDepartment of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
M L AryaDepartment of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Devika KumarDepartment of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
N RaziDepartment of Achutha Menon Centre for Health Science Studies, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Ashalatha RadhakrishnanDepartment of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Bejoy ThomasImaging Sciences & Interventional Radiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Chandrasekharan KesavadasImaging Sciences & Interventional Radiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Sanjeev V ThomasDepartment of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Ramshekhar N MenonDepartment of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND

objectivesRemote memory assessment in epilepsy is often limited by challenges in construct and measurement. We aimed to study quantified autobiographical memory (AM) scores in patients with temporal lobe epilepsy (TLE) and idiopathic generalized epilepsy (IGE), as well as healthy controls.

methodsWe studied 30 patients in each of three groups - TLE, IGE, and healthy controls. Standardized tests were used to assess the intelligence quotient, verbal memory, and visual memory. AM Interview (AMI) was used to assess total AM as well as AM sub-scores. Automated volumetric imaging was done to assess grey matter volumes in areas of interest. ANOVA was used to compare memory scores across the groups.

resultsVerbal and visual memory scores were lower in TLE compared to controls. Total AMI scores were lower in TLE and IGE when compared to controls. Total personal semantic AMI and total autobiographical incidents-AMI scores were lower in both IGE and TLE compared to controls. Recent life personal semantic AMI was lower in both TLE and IGE compared to controls, while other sub-scores were similar in all three groups. Childhood personal semantic memory scores were significantly correlated with right hippocampal and amygdala grey matter volumes, while total autobiographical AMI scores correlated with hippocampal grey matter volumes in IGE.

conclusionsThis study demonstrates AM deficits in persons with epilepsy. Further studies are required to clarify the AMI deficits in right and left TLE, as well as post-resective surgery for TLE.

Indexed as

Autobiographical memorybrain volumetryepilepsyidiopathic generalized epilepsytemporal lobe epilepsy

Identifiers

PMID41416723
PMCPMC12798885

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