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Ignoring memory hints: The stubborn influence of environmental cues on recognition memory.

ABSTRACT: Recognition judgments can benefit from the use of environmental cues that signal the general likelihood of encountering familiar versus unfamiliar stimuli. While incorporating such cues is often adaptive, there are circumstances (e.g., eyewitness testimony) in which observers should fully ignore environmental cues in order to preserve memory report fidelity. The current studies used the explicit memory cueing paradigm to examine whether participants could intentionally ignore reliable environmental cues when instructed. Three experiments demonstrated that participants could volitionally dampen the directional influence of environmental cues on their recognition judgments (i.e., whether influenced to respond "old" or "new") but did not fully eliminate their influence. Although monetary incentives diminished the mean influence of cues on responses rates, finer grained individual differences analysis, as well as confidence and RTs analyses, demonstrated that participants were still systematically influenced. These results demonstrate that environmental cues presented at test remain a potent influence on recognition decisions and subjective confidence even when ostensibly ignored. (PsycINFO Database Record

SUBMITTER: Selmeczy D

PROVIDER: S-EPMC5570626 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Ignoring memory hints: The stubborn influence of environmental cues on recognition memory.

Selmeczy Diana D Dobbins Ian G IG

Journal of experimental psychology. Learning, memory, and cognition 20170302 9

Recognition judgments can benefit from the use of environmental cues that signal the general likelihood of encountering familiar versus unfamiliar stimuli. While incorporating such cues is often adaptive, there are circumstances (e.g., eyewitness testimony) in which observers should fully ignore environmental cues in order to preserve memory report fidelity. The current studies used the explicit memory cueing paradigm to examine whether participants could intentionally ignore reliable environmen ...[more]

PMID: 28252990

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Project description:Ignoring distracting information and updating current contents are essential components of working memory (WM). Yet, although both require controlling irrelevant information, it is unclear whether they have the same effects on recall and produce the same level of misbinding errors (incorrectly joining the features of different memoranda). Moreover, the likelihood of misbinding may be affected by the feature similarity between the items already encoded into memory and the information that has to be filtered out (ignored) or updated into memory. Here, we investigate these questions. Participants were sequentially presented with two pairs of arrows. The first pair of arrows always had to be encoded into memory, but the second pair either had to be ignored (ignore condition) or allowed to displace the previously encoded items (update condition). To investigate the effect of similarity on recall, we also varied, in a factorial manner, whether the items that had to be ignored or updated were presented in the same or different colours and/or same or different spatial locations to the original memoranda. By applying a computational model, we were able to quantify the levels of misbinding. Ignoring, but not updating, increased overall recall error as well as misbinding rates, even when accounting for the retention period. This indicates that not all manipulations of attention in WM are equal in terms of their effects on recall and misbinding. Misbinding rates in the ignore condition were affected by the colour and spatial congruence of relevant and irrelevant information to a greater extent than in the update condition. This finding suggests that attentional templates are used to evaluate relevant and irrelevant information in different ways during ignoring and updating. Together, the results suggest that differences between the two functions might occur due to higher levels of attentional compartmentalisation - or protection - during updating compared to ignoring.

Dataset Information

Ignoring memory hints: The stubborn influence of environmental cues on recognition memory.

Publications

Ignoring memory hints: The stubborn influence of environmental cues on recognition memory.

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