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- W4306318462 abstract "Learning an association does not always succeed on the first attempt. But how is the inaccuracy of current memory representations monitored and how can the brain switch itself into an adaptive learning state? To test the neurophysiological underpinnings of this interplay, 30 young healthy adults (mean age 24.7 years, 15 male) learned to associate faces with tilted gabor patches in a feedback associative learning task (FALT) during continuous functional magnetic resonance imaging (fMRI). Univariate fMRI analyses confirmed the proposed role of posterior medial frontal cortex (pMFC) in detecting weak and inaccurate memories, with increased hemodynamic responses in anterior midcingulate cortex (aMCC)/pre-supplementary motor area (pre-SMA) for repeated unsuccessful retrieval, selection of low confidence and processing of negative feedback. Subsequent memory performance, indicating high encoding quality after prior memory errors replicated regions previously described in the literature. In a 1-back localizer task a multivariate cross-classification model was trained to distinguish faces and houses based on voxels in right fusiform gyrus 2 and 4. This model predicted the strength of face representations during memory encoding and stimulus rehearsal in FALT. Single-trial face-representativity during memory formation was related to increased hemodynamic responses in the performance-monitoring related aMCC/pre-SMA region. The results suggest that pMFC is involved in detecting memory errors and in improving memory formation by enhancing stimulus representations during encoding and rehearsal." @default.
- W4306318462 created "2022-10-16" @default.
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- W4306318462 date "2022-10-14" @default.
- W4306318462 modified "2023-09-25" @default.
- W4306318462 title "Error-driven associative learning: a multivariate cross-classification fMRI study on interactions between performance monitoring and memory formation" @default.
- W4306318462 doi "https://doi.org/10.31234/osf.io/3f689" @default.
- W4306318462 hasPublicationYear "2022" @default.
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