Table 4.

zRT for correct rejections by feature overlap and trial stage M (SD)

	Feature Overlap
	Zero	One	Two
Trial Stage
Young
Early	−.47 (.14)	−.20 (.12)	.23 (.17)
Middle	−.49 (.11)	−.25 (.12)	.21 (.19)
Late	−.47 (.14)	−.25 (.16)	.06 (.19)
CDR 0
Early	−.42 (.14)	−.21 (.16)	.27 (.19)
Middle	−.45 (.11)	−.19 (.14)	.18 (.24)
Late	−.40 (.16)	−.18 (.19)	.11 (.26)
CDR 0.5
Early	−.32 (.13)	−.06 (.18)	.17 (.21)
Middle	−.31 (.15)	−.15 (.15)	.00 (.18)
Late	−.32 (.17)	−.16 (.16)	−.02 (.20)

Early refers to positions 2-4, Middle 5-7, Late 8-10. CDR = Clinical Dementia Rating CDR 0 = no dementia; CDR 0.5 = very mild Alzheimer’s disease