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Table 8 Associations between FA values and cognitive measures

From: White matter deficits assessed by diffusion tensor imaging and cognitive dysfunction in psychostimulant users with comorbid human immunodeficiency virus infection

Cognitive domain Measure AC LALIC CC genu RALIC
Visual scanning speed TMT trails A −0.051 −0.288 −0.157 −0.114
Cognitive set-shifting TMT trails B −0.274 −0.409** −0.289 −0.182
Fine motor speed GP–DH −0.338* −0.468** −0.475** −0.384*
Fine motor speed GP–NDH −0.145 −0.465** −0.410** −0.318*
Sustained attention RVP A′ 0.364* 0.403* 0.335* 0.094
Verbal learning CVLT-II total recall 0.235 0.419** 0.206 0.343*
Immediate recall CVLT-II SDFR 0.234 0.376* 0.065 0.242
Delayed recall CVLT-II LDFR 0.222 0.416** 0.098 0.184
Verbal recognition CVLT-II recognition 0.055 0.247 0.086 0.229
Concept shifting IED EDS errors −0.122 −0.053 −0.280 0.052
Concept formation IED Pre-EDS errors −0.080 −0.089 −0.317* −0.003
  1. Numbers represent Pearson correlations between cognitive scores and FA values
  2. Significant correlation * p < 0.05, ** p < 0.01
  3. AC anterior commissure, LALIC left anterior limb of the internal capsule, CC corpus callosum, RALIC right anterior limb of the internal capsule, TMT trail making test, GP grooved pegboard, DH dominant hand, NDH non-dominant hand, RVP rapid visual information processing, CVLT-II California verbal learning test-II, SDFR short-delay free recall, LDFR long-delay free recall, IED intra-extra dimensional shift, EDS extradimensional