Figure 7.

Responses in object-selective regions as a function of face dissimilarity. a, Left, Mean percentage signal in object-selective LO averaged across 10 adults (orange) and 14 children (blue). Right, Same for pFs, across 9 adults and 13 children. Solid lines, Responses to adult faces; dashed lines, responses to child faces. b, c, Slopes (b; neural sensitivity to face identity) and intercepts (c; mean response amplitude) for child and adult faces were estimated in each subject and then averaged across participants of an age group, separately for each ROI and face stimulus. There is no development in slopes (F_(1,84) = 0.83, p > 0.05), whereas intercepts are significantly larger in adults than in children (F_(1,84) = 24.02, p < 0.001). Dark blue bars, Responses in the subset of children motion-matched to adults. Results are the same for slope (F_(1,64) = 0.38, p > 0.05) and intercept (F_(1,64) = 10.86, p < 0.01). Error bars, SEM averaged across participants of an age group.