Table 6.

Zero-order correlations among memory performance, differentiation index, similarity index, visual acuity, and age

(1)(2)(3)(4)(5)(6)(7)(8)
(1) Item recognition
(2) Source memory0.71 (<0.001)
(3) PPA differentiation index0.53 (<0.001)0.37 (0.010)
(4) LOC differentiation index0.09 (0.559)0.03 (0.837)0.00 (0.988)
(5) PPA similarity index0.50 (<0.001)0.32 (0.026)0.78 (<0.001)−0.08 (0.580)
(6) LOC similarity index0.25 (0.083)0.15 (0.298)0.31 (0.030)0.71 (<0.001)0.19 (0.188)
(7) Visual acuity−0.35 (0.016)−0.16 (0.268)−0.48 (0.001)0.04 (0.799)−0.45 (0.001)−0.12 (0.407)
(8) Age group−0.28 (0.055)−0.13 (0.372)−0.61 (<0.001)0.07 (0.632)−0.71 (<0.001)−0.24 (0.106)0.63 (<0.001)
  • Correlations were computed using Pearson's r. Item and source memory correlations are based on the measures after averaging across image type.