Strong mnemonic prediction errors increase cognitive control, attention, and arousal.
- 1Department of Psychology, Stanford University, Stanford, United States.
- 2Wu Tsai Neurosciences Institute, Stanford University, Stanford, United States.
Abstract
Ongoing experience is continuously processed in the context of past events. Divergence between current experience and memory-based predictions (i.e., a mnemonic prediction error; MPE) is theorized to be a signal that encoding, as opposed to retrieval, should be prioritized. We asked how MPEs place demands on control and attention-related processes, and whether these demands differ as a function of prediction strength. We investigated these questions across two experiments, wherein we recorded scalp electroencephalography and/or pupillometry as 101 young human adults performed an associative memory task. Strong MPEs, more so than weak MPEs, increased physiological indices of cognitive control (frontal theta), attention (posterior alpha and pupil size), and arousal (pupil size). Greater cognitive control (frontal theta) during strong MPEs promoted better learning of prediction-violating (i.e., unexpected) stimuli. Collectively, these findings reveal multiple pathways through which the mind and brain respond adaptively to violations of strong mnemonic predictions.
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BibTeX
@article{xue2026strong,
title = {{Strong mnemonic prediction errors increase cognitive control, attention, and arousal.}},
author = {Alice M Xue and Jenna Jokhani and Anthony M Norcia and Anthony D Wagner},
journal = {ELife},
year = {2026},
month = oct,
doi = {10.7554/elife.109678},
url = {https://europepmc.org/article/MED/42905440},
note = {CC BY},
}
RIS
TY - JOUR
TI - Strong mnemonic prediction errors increase cognitive control, attention, and arousal.
AU - Alice M Xue
AU - Jenna Jokhani
AU - Anthony M Norcia
AU - Anthony D Wagner
PY - 2026
DA - 2026/10/21
JO - ELife
DO - 10.7554/elife.109678
UR - https://europepmc.org/article/MED/42905440
AB - Ongoing experience is continuously processed in the context of past events. Divergence between current experience and memory-based predictions (i.e., a mnemonic prediction error; MPE) is theorized to be a signal that encoding, as opposed to retrieval, should be prioritized. We asked how MPEs place demands on control and attention-related processes, and whether these demands differ as a function of prediction strength. We investigated these questions across two experiments, wherein we recorded scalp electroencephalography and/or pupillometry as 101 young human adults performed an associative memory task. Strong MPEs, more so than weak MPEs, increased physiological indices of cognitive control (frontal theta), attention (posterior alpha and pupil size), and arousal (pupil size). Greater cognitive control (frontal theta) during strong MPEs promoted better learning of prediction-violating (i.e., unexpected) stimuli. Collectively, these findings reveal multiple pathways through which the mind and brain respond adaptively to violations of strong mnemonic predictions.
SN - 2050-084X
ER -