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Following the presentation of a reminder, consolidated memories become reactivated followed by a process of re-stabilization, which is referred to as reconsolidation. The most common behavioral tool used to reveal this process is interference produced by new learning shortly after memory reactivation. Memory interference is defined as a decrease in memory retrieval, the effect is generated when new information impairs an acquired memory. In general, the target memory and the interference task used are the same. Here we investigated how different memory systems and/or their valence could produce memory reconsolidation interference. We showed that a reactivated neutral declarative memory could be interfered by new learning of a different neutral declarative memory. Then, we revealed that an aversive implicit memory could be interfered by the presentation of a reminder followed by a threatening social event. Finally, we showed that the reconsolidation of a neutral declarative memory is unaffected by the acquisition of an aversive implicit memory and conversely, this memory remains intact when the neutral declarative memory is used as interference. These results suggest that the interference of memory reconsolidation is effective when two task rely on the same memory system or both evoke negative valence. © 2016 Fernández, Bavassi, Kaczer, Forcato and Pedreira.


Documento: Artículo
Título:Interference conditions of the reconsolidation process in humans: The role of valence and different memory systems
Autor:Fernández, R.S.; Bavassi, L.; Kaczer, L.; Forcato, C.; Pedreira, M.E.
Filiación:Laboratorio de Neurobiología de la Memoria, Departamento de Fisiología y Biología Molecular y Celular, IFIBYNE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Palabras clave:declarative memory; human; implicit memory; learning
Título revista:Frontiers in Human Neuroscience
Título revista abreviado:Front. Human Neurosci.


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---------- APA ----------
Fernández, R.S., Bavassi, L., Kaczer, L., Forcato, C. & Pedreira, M.E. (2016) . Interference conditions of the reconsolidation process in humans: The role of valence and different memory systems. Frontiers in Human Neuroscience, 10(DEC2016).
---------- CHICAGO ----------
Fernández, R.S., Bavassi, L., Kaczer, L., Forcato, C., Pedreira, M.E. "Interference conditions of the reconsolidation process in humans: The role of valence and different memory systems" . Frontiers in Human Neuroscience 10, no. DEC2016 (2016).
---------- MLA ----------
Fernández, R.S., Bavassi, L., Kaczer, L., Forcato, C., Pedreira, M.E. "Interference conditions of the reconsolidation process in humans: The role of valence and different memory systems" . Frontiers in Human Neuroscience, vol. 10, no. DEC2016, 2016.
---------- VANCOUVER ----------
Fernández, R.S., Bavassi, L., Kaczer, L., Forcato, C., Pedreira, M.E. Interference conditions of the reconsolidation process in humans: The role of valence and different memory systems. Front. Human Neurosci. 2016;10(DEC2016).