The functional relevance of visuospatial processing speed across the lifespan

Cognitive Research: Principles and Implications

Table 2 Correlations between VIPS task performance and assessments of attention, executive functioning, visual speed, and memory

Domain	Assessment	Pearson’s r	p-value	q-value
Attention	gradCPT d′	− 0.22*	0.04	0.09
	gradCPT mean RT	0.20	0.07	0.12
	gradCPT RT variability (CV)	0.18	0.11	0.17
	gradCPT criterion	− 0.12	0.28	0.37
	RSAT automatic detection speed^a	− 0.01	0.96	0.96
	RSAT automatic detection accuracy^a	− 0.17	0.12	0.17
	RSAT controlled search speed^a	− 0.21	0.07	0.13
	RSAT controlled search accuracy^a	− 0.37***	< 0.001	0.02
	RSAT speed difference^a	0.28*	0.01	0.03
	RSAT accuracy difference^a	0.31**	0.005	0.03
	Digit span forward	− 0.27*	0.01	0.03
Executive Functioning	TMT-B	0.32**	0.002	0.01
Visual Speed	TMT-A	0.36***	< 0.001	0.01
Visual Speed	Digit symbol substitution	− 0.21	0.06	0.12
Memory	Digit span backward	− 0.28*	0.01	0.04
	BVMT-R delayed recall	0.08	0.60	0.71
	BVMT-R learning	0.35*	0.02	0.05
	ROCF copy	− 0.03	0.86	0.91
	ROCF immediate recall	− 0.10	0.54	0.68
	ROCF delayed recall	− 0.07	0.67	0.74

^adenotes Spearman Rho, * denotes p < 0.05; ** denotes p < 0.01; *** denotes p < 0.001. Note that q-values show false-discovery rate p-values corrected for multiple comparisons