partial η2 = 0.069; younger RT, F8,328 = 6.431, p < 0.01, partial η2 = 0.136). However, no group x time interactions reached significance (accuracy, F8,656 = 1.418, p = 0.236, partial η2 = 0.017; RT, F8,656 = 2.055, p = 0.102, partial η2 = 0.024), suggesting that performance decline, likely due to waning attention and increased fatigue, was comparable across age groups. Performance differences between age groups were significant at every sequential time bin for accuracy and RT, indicating that age-related impairments in working memory were stable and endured throughout the length of the recording. The results conform to previous research 4–6, 26, and suggest that older adults struggled to maintain robust representations of task-relevant information in working memory.
