For each paradigm, N1 sink factor scores were submitted to repeated measures ANOVAs with group (AH, NH, HC) as a between-subjects factor, and task (word, face), hemisphere (left, right), and site (P7/8, P9/10) as within-subjects factors. The selection of two homologous inferior-parietal scalp locations was based on prior research (Kayser et al., 2007). Inasmuch as these sites jointly represented N1 sink maxima, main or interaction effects involving site were not considered.
