Orientation to learning context modulates retrieval processing for unrecognized words

• Published in: Chinese science bulletin Vol. 55; no. 26; pp. 2966 - 2973
• Main Authors: Guo, ChunYan, Chen, WenJun, Tian, Tian, Paller, Ken A., Voss, Joel L.
• Format: Journal Article
• Language: English
• Published: Heidelberg SP Science China Press 01.09.2010
• Subjects: Brain; Chemistry/Food Science; Correlation; Earth Sciences; Engineering; Error analysis; Failure; Humanities and Social Sciences; Learning; Life Sciences; multidisciplinary; Orientation; Physics; Recognition; Retrieval; Science; Science (multidisciplinary); 内存分配; 内存故障; 加工调制; 学习环境; 环境调节; 词处理; item memory; retrieval orientation; ERP; source memory; event-related potential; recognition memory
• ISSN: 1001-6538; 1861-9541
• DOI: 10.1007/s11434-010-4102-7

Explicit memory errors may occur when individuals fail to retrieve information about items previously studied （item memory） or about the learning context （source memory）. We examined electrophysiological measures during recognition failure in order to determine the influence of retrieval orientation for item versus source information. Recognition failure was associated with brain potentials distinct from those associated with success. Furthermore, source-memory failures were associated with earlier-onset brain potentials with a more anterior distribution compared to item-memory failures. Neurocognitive processing was thus modu- lated by retrieval orientation so as to differentially influence neural correlates of successful versus unsuccessful retrieval.