What does this research mean for the field?

While younger and older adults show comparable implicit Hebb repetition learning, older adults benefit substantially less from explicit foreknowledge of repeated sequences across verbal, visual, and spatial domains. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To investigate whether explicit foreknowledge of repeating sequences differentially enhances verbal, visual, and spatial Hebb repetition learning across younger and older adults.

August 22, 2026CognitionOpen Access

Age-related differences in the role of explicit encoding instructions on verbal, visual and spatial Hebb learning

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Authors

HLHelena LeachCardiff University DGDominic GuitardCardiff University

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Implication

Behavioral experiments reveal that explicit foreknowledge enhances sequence learning in younger more than older adults, suggesting age-related deficits in cue-sequence association.

Key Points

To investigate whether explicit foreknowledge of repeating sequences differentially enhances verbal, visual, and spatial Hebb repetition learning across younger and older adults.
Conducted three serial recall experiments testing verbal (letters), visual (Chinese characters), and spatial (dot locations) sequences, presenting a repeated sequence every third trial.
Assigned younger and older adults to either a foreknowledge condition (informed and cued before repeated sequences) or an un-cued control condition without explicit awareness.
Without foreknowledge cues, younger and older adults demonstrated comparable rates of implicit Hebb learning across all three modalities.
Providing explicit foreknowledge cues substantially improved repeated sequence learning in younger adults but yielded significantly less benefit in older adults.

Cite This Study

Leach et al. (2026) studied this question.

synapsesocial.com/papers/6a895e6bca7ade938187c8fb https://doi.org/10.1016/j.cognition.2026.106691

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Implication

Behavioral experiments reveal that explicit foreknowledge enhances sequence learning in younger more than older adults, suggesting age-related deficits in cue-sequence association.

Age-related differences in the role of explicit encoding instructions on verbal, visual and spatial Hebb learning

Discussion

Member takes

Implication

Key Points

Cite This Study

Age-related differences in the role of explicit encoding instructions on verbal, visual and spatial Hebb learning

Discussion

Member takes

Implication

Key Points

Cite This Study

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