Binding neutral information to emotional contexts: Brain dynamics of long-term recognition memory
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Altres documents de l'autoria: Ventura-Bort, Carlos; Molto, Javier; Poy, Rosario; Löw, Andreas; Wendt, Julia; Dolcos, Florin; Hamm, Alfons O.; Weymar, Mathias
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Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/8033
comunitat-uji-handle3:10234/8636
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Títol
Binding neutral information to emotional contexts: Brain dynamics of long-term recognition memoryAutoria
Data de publicació
2016Editor
SpringerISSN
1530-7026; 1531-135XCita bibliogràfica
VENTURA-BORT, Carlos, et al. Binding neutral information to emotional contexts: Brain dynamics of long-term recognition memory. Cognitive, Affective, & Behavioral Neuroscience, (2016) 16:234–247Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://link.springer.com/article/10.3758%2Fs13415-015-0385-0Paraules clau / Matèries
Resum
There is abundant evidence in memory research that emotional stimuli are better remembered than neutral stimuli. However, effects of an emotionally charged context on memory for associated neutral elements is also ... [+]
There is abundant evidence in memory research that emotional stimuli are better remembered than neutral stimuli. However, effects of an emotionally charged context on memory for associated neutral elements is also important, particularly in trauma and stress-related disorders, where strong memories are often activated by neutral cues due to their emotional associations. In the present study, we used event-related potentials (ERPs) to investigate long-term recognition memory (1-week delay) for neutral objects that had been paired with emotionally arousing or neutral scenes during encoding. Context effects were clearly evident in the ERPs: An early frontal ERP old/new difference (300–500 ms) was enhanced for objects encoded in unpleasant compared to pleasant and neutral contexts; and a late central-parietal old/new difference (400–700 ms) was observed for objects paired with both pleasant and unpleasant contexts but not for items paired with neutral backgrounds. Interestingly, objects encoded in emotional contexts (and novel objects) also prompted an enhanced frontal early (180–220 ms) positivity compared to objects paired with neutral scenes indicating early perceptual significance. The present data suggest that emotional—particularly unpleasant—backgrounds strengthen memory for items encountered within these contexts and engage automatic and explicit recognition processes. These results could help in understanding binding mechanisms involved in the activation of trauma-related memories by neutral cues. [-]
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info:eu-repo/semantics/openAccess
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info:eu-repo/semantics/openAccess
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