The aim of this study was to investigate the impact of extended bridge expertise on rapid perceptual processing and brain functional plasticity in early adulthood, utilizing functional magnetic resonance imaging (fMRI). In this investigation, we compared 6 high-level college bridge players with 25 college students lacking bridge experience, assessing their intelligence and working memory. Additionally, we scrutinized behavioral performance and whole-brain activation patterns during an image perceptual judgment task. Findings indicated significant group and interaction effects at the behavioral level. Bridge players exhibited prolonged reaction times and enhanced accuracy on card tasks. At the neural level, the activation level of bridge players in the occipital lobe exceeded that of ordinary college students, with more pronounced group effects in the motor area and inferior parietal lobule during card tasks. This implies that bridge expertise in early adulthood induces functional plasticity changes in regions associated with visual processing and automated mathematical computation.

To explore the memory advantage and the underlying mechanisms of bridge experts, this study conducted two experiments. Experiment 1 investigated the effects of the suit categorization rule and the rank ordering rule on the memory performance of bridge experts when memorizing hands. The findings revealed that the suit categorization rule significantly influenced the memory advantage of bridge experts, regardless of whether the task involved recognition or free recall. Conversely, the rank ordering rule had no discernible effect on their memory performance, though the honor card information within this rule notably impacted their memory. Building on the first experiment, Experiment 2 further examined the roles of visual familiarity induced by the suit categorization and honor card rules, alongside the abstract knowledge embedded in these rules, on the memory performance of bridge experts. The results demonstrated that visual familiarity influenced recognition among bridge experts, while both visual familiarity and abstract knowledge jointly contributed to recall performance. These research findings concurrently support both chunking/template theory and SEEK theory.