Abstract:
:The fundamental role that our long-term memories play in guiding perception is increasingly recognized, but the functional and neural mechanisms are just beginning to be explored. Although experimental approaches are being developed to investigate the influence of long-term memories on perception, these remain mostly static and neglect their temporal and dynamic nature. Here, we show that our long-term memories can guide attention proactively and dynamically based on learned temporal associations. Across two experiments, we found that detection and discrimination of targets appearing within previously learned contexts are enhanced when the timing of target appearance matches the learned temporal contingency. Neural markers of temporal preparation revealed that the learned temporal associations trigger specific temporal predictions. Our findings emphasize the ecological role that memories play in predicting and preparing perception of anticipated events, calling for revision of the usual conceptualization of contextual associative memory as a reflective and retroactive function.
journal_name
J Cogn Neuroscijournal_title
Journal of cognitive neuroscienceauthors
Cravo AM,Rohenkohl G,Santos KM,Nobre ACdoi
10.1162/jocn_a_01172subject
Has Abstractpub_date
2017-12-01 00:00:00pages
2081-2089issue
12eissn
0898-929Xissn
1530-8898journal_volume
29pub_type
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