Figure 1. .

Experiment overview. (a) Audiograms for the subset of participants on whom hearing was available for left and right ears. Individual participants are shown in thin lines, group means in thick lines. (b) Frequency of occurrence and phonological neighborhood density for the 240 experimental items. (c) Task design for attentive listening and word repetition tasks. (d) Behavioral accuracy for the repetition condition for young and older adults. HAL = Hyperspace Analogue to Language, EPI = echo planar imaging.