Does left ventricular hypertrophy affect cognition and brain structural integrity in type 2 diabetes? Study design and rationale of the Diabetes and Dementia (D2) study

Table 2 Tasks used to measure each cognitive domain

Cognitive domain	Cognitive task
Global Cognitive Ability	Montreal Cognitive Assessment [45]
	The Clinical Dementia Rating [46]
	National Adult Reading Task [47]
Attention	Trail-Making Test [48]
	Digit Span Task (WAIS-IV) [49]
	Identification Task (Computerised CogState battery) [50]
	One Back Task (Computerised) [50] CogState battery)
Visuospatial Ability	Rey Complex Figure Test (Copy) [51]
Executive Function	Clock Drawing Task – CLOX [52]
Executive Function	Controlled Oral Word Association Test [53]
Language	30-item Boston Naming Test [54]
Language	Verbal Fluency Test [53]
Memory	Rey Auditory Verbal learning Task [55]
Memory	Rey Complex Figure Test (Recall) [51]
Processing Speed	Detection Task (Computerized CogState battery) [50]
Processing Speed	Digit-Symbol Task (WAIS-IV) [49]

ISSN: 1472-6823