期刊
NEUROBIOLOGY OF AGING
卷 108, 期 -, 页码 34-46出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.neurobiolaging.2021.08.001
关键词
Confidence; Error detection; Aging; Error(-related) negativity (N-e, ERN); Error positivity (P-e); Behavioral adaptation
资金
- Deutsche Forschungsgemein-schaft (DFG, German Research Foundation) [431549029- SFB 1451]
- Australian Research Council [DP160103353]
The study found that metacognitive accuracy decreases with age, especially in cases of low confidence errors, while adaptive adjustment of behavior remains intact. Pe amplitudes following errors varied by confidence rating but did not mirror the reduction in metacognitive accuracy.
Metacognitive accuracy describes the degree of overlap between the subjective perception of one's decision accuracy (i.e. confidence) and objectively observed performance. With older age, the need for accurate metacognitive evaluation increases; however, error detection rates typically decrease. We investigated the effect of ageing on metacognitive accuracy using event-related potentials (ERPs) reflecting error detection and confidence: the error/correct negativity (N-e/c) and the error/correct positivity (P-e/c). Sixty-five healthy adults (20 to 76 years) completed a complex Flanker task and provided confidence ratings. We found that metacognitive accuracy declined with age beyond the expected decline in task performance, while the adaptive adjustment of behaviour was well preserved. Pe amplitudes following errors varied by confidence rating, but they did not mirror the reduction in metacognitive accuracy. Ne amplitudes decreased with age for low confidence errors. The results suggest that age-related difficulties in metacognitive evaluation could be related to an impaired integration of decision accuracy and confidence information processing. Ultimately, training the metacognitive evaluation of fundamental decisions in older adults might constitute a promising endeavour. (C) 2021 Elsevier Inc. All rights reserved.
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