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Déficits de la memoria autobiográfica en personas con epilepsia: ¿existe especificidad de época en la reminiscencia
Kiren G Koshy1, Pavan K Rudrabhatla1, M L Arya1
1Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Annals of Indian Academy of Neurology
|December 19, 2025
Resumen
Los pacientes con epilepsia, incluidas la epilepsia del lóbulo temporal (ELT) y la epilepsia generalizada idiopática (EGI), muestran déficits en la memoria autobiográfica (MA). Estos déficits de memoria se correlacionan con volúmenes específicos de la estructura cerebral, lo que resalta el impacto de la epilepsia en el recuerdo de la memoria.
Área de la Ciencia:
- Neurociencia
- Psicología Cognitiva
- Neurología Clínica
Sus antecedentes:
- La evaluación de la memoria remota en la epilepsia presenta desafíos significativos en cuanto a constructo y medición.
- La memoria autobiográfica (MA) es crucial para comprender la autoidentidad y la narrativa vital.
- La epilepsia, particularmente la epilepsia del lóbulo temporal (ELT) y la epilepsia generalizada idiopática (EGI), puede afectar las funciones de la memoria autobiográfica.
Objetivo del estudio:
- Cuantificar las puntuaciones de memoria autobiográfica (MA) en pacientes con ELT y EGI en comparación con controles sanos.
- Investigar la relación entre el rendimiento de la MA y las estructuras neuroanatómicas.
- Establecer métodos fiables para la evaluación de la memoria remota en la epilepsia.
Principales métodos:
- Un estudio comparativo que involucró a 30 pacientes con ELT, 30 con EGI y 30 controles sanos.
- Evaluaciones estandarizadas del cociente intelectual, la memoria verbal y la memoria visual.
- Entrevista de Memoria Autobiográfica (AMI) para una puntuación detallada de la MA y RM volumétrica automatizada para el análisis de la materia gris.
Principales resultados:
- Los pacientes con ELT exhibieron puntuaciones de memoria verbal y visual más bajas que los controles.
- Ambos grupos, ELT y EGI, mostraron puntuaciones totales de MA reducidas en comparación con los controles.
- Puntuaciones específicas de sub-MA, que incluyen la memoria semántica personal y los incidentes autobiográficos, fueron más bajas en ambos grupos de epilepsia.
- La memoria semántica de la infancia se correlacionó con los volúmenes del hipocampo y la amígdala.
Conclusiones:
- Este estudio confirma déficits significativos de memoria autobiográfica en individuos con epilepsia.
- Los hallazgos subrayan la necesidad de una mayor investigación sobre los déficits de MA en tipos específicos de epilepsia (ELT derecha/izquierda) y postoperatorios.
- Los resultados proporcionan una base para el desarrollo de intervenciones de memoria dirigidas para pacientes con epilepsia.
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