Does frequency matter? ERP and behavioral correlates of monitoring for rare and frequent prospective memory targets

被引：33

作者：

Czernochowski, Daniela ^{[1
]}

Horn, Sebastian ^{[1
]}

Bayen, Ute J. ^{[1
]}

机构：

[1] Univ Dusseldorf, Inst Expt Psychol, D-40204 Dusseldorf, Germany

来源：

NEUROPSYCHOLOGIA | 2012年 / 50卷 / 01期

关键词：

Prospective memory; ERPs; Executive functions; Prefrontal cortex; PREFRONTAL CORTEX; TASK INTERFERENCE; ATTENTION; DEMANDS; MODEL; COST;

D O I：

10.1016/j.neuropsychologia.2011.10.023

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

Behavioral and event-related potential (ERP) correlates of monitoring in an event-based prospective memory (PM) task were compared during blocks with rare versus frequent PM target presentations relative to an ongoing-task only condition. For both rare and frequent PM conditions, behavioral interference costs in terms of longer reaction times (RTs) were observed. Likewise, during both PM blocks a sustained ERP positivity with a frontal focus was identified on ongoing-task trials. While PM target identification and RI interference costs were larger during the PM-frequent relative to the PM-rare condition, the same sustained frontal positivity was observed during both PM blocks. These findings suggest that successful monitoring is associated with the adoption of a more general prospective retrieval mode, irrespective of target frequency. Moreover, preparatory attentional modulations directed at relevant target features played an important role for subsequent PM performance, as evident in larger P2 amplitudes during PM blocks. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：67 / 76

页数：10

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