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Prevenir el regreso del miedo en los seres humanos mediante el uso de mecanismos de actualización de reconsolidación
Daniela Schiller1, Marie-H Monfils, Candace M Raio
1Center for Neural Science, New York University, New York, New York 10003, USA.
Nature
|December 17, 2009
Resumen
Este estudio introduce un método no invasivo para actualizar los recuerdos de miedo durante la reconsolidación. Esta técnica redujo con éxito las respuestas de miedo durante más de un año al sobrescribir viejos recuerdos con nueva información.
Área de la Ciencia:
- La neurociencia es la neurociencia.
- Psicología Psicología Psicología.
- Investigación de la memoria Investigación de la memoria.
Sus antecedentes:
- Dirigirse a la reconsolidación de la memoria es una estrategia clave para modificar los recuerdos emocionales.
- Las intervenciones farmacológicas para la reconsolidación en humanos presentan desafíos y riesgos.
- Los métodos existentes para la modificación de la memoria del miedo a menudo son invasivos o tienen limitaciones.
Objetivo del estudio:
- Introducir y validar una técnica novedosa y no invasiva para apuntar a la consolidación de la memoria del miedo en humanos.
- Investigar el potencial de actualizar los recuerdos de miedo labiles con nueva información.
- Evaluar la eficacia a largo plazo y la especificidad de este enfoque no invasivo.
Principales métodos:
- Desarrollo de un procedimiento no invasivo para acceder a la ventana de reconsolidación de los recuerdos de miedo.
- Presentación de información no temerosa durante la fase de reconsolidación de los recuerdos de miedo reactivados.
- Evaluación de la reducción de la respuesta al miedo y la especificidad de la memoria durante un período prolongado.
Principales resultados:
- La técnica no invasiva actualizó con éxito viejos recuerdos de miedo con información no temerosa.
- Las respuestas de miedo se redujeron significativamente y se mantuvieron así durante al menos un año.
- El efecto fue selectivo, afectando solo a los recuerdos de miedo reactivados sin alterar otros recuerdos.
Conclusiones:
- La reconsolidación de la memoria proporciona una ventana crítica para reescribir los recuerdos emocionales.
- Esta técnica no invasiva ofrece un método seguro y eficaz para la modificación de la memoria del miedo en humanos.
- Los hallazgos apoyan el potencial de aplicaciones terapéuticas en el tratamiento de trastornos relacionados con el miedo.
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