Table 3.

Summary of study assessments and timelines.

Time point	Measurement	Post-allocation					Mode of Administration
		Baseline	Training sessions	10 weeks assessments		Follow-up 3 months
		T0		T1		T2
Enrollment
Eligibility screening							Paper and pencil
Informed consent							Paper and pencil
Screening	General information
	Demographic information						Paper and pencil
	Daily functions
	Activities of Daily Living (ADL)						Observation
	Optic examination
	Achromatopsia anomalous trichromatic test						Paper and pencil
	Neuro psychological examination
	Mini–Mental State Examination (MMSE)						Paper and pencil
	Montreal cognitive assessment (MoCA)						Paper and pencil
Randomized allocation
Intervention
Training tasks	↔
Warm-up exercise	√						Paper and pencil
Practice in order	√						Cylinder socket blocks
Expanding training	√
Assessments
Primary objective	Executive function
	Trail Making Test A-B	√		√		√	Paper and pencil
	Color-Word Matching Stroop task	√		√		√	Computer
	Purdue pegboard test (Model 32020A)	√		√		√	Device
Secondary objectives	Overall cognitive function
	Montreal Cognitive Assessment (MoCA)	√		√		√	Paper and pencil
	Psychomotor speed
	Finger Tapping test	√		√		√	Device
	Reaction Time test (EP203)	√		√		√	Device
	Transfer effects
	Raven’s Advanced Progressive Matrices	√		√		√	Computer
	Digit span test	√		√		√	Paper and pencil
	Neuroimaging assessments
	Electroencephalogram	√		√		√	Computer