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Table 2 Neuropsychological assessment protocol

From: The effect of impulsivity and inhibitory control deficits in the saccadic behavior of premanifest Huntington’s disease individuals

ToolGoal/Assessment domain
Montreal Cognitive Assessment - MoCA [55, 56]mild cognitive impairment and dementia screening
Stroop Test - Color Naming, Word Reading, and Interference tasks [61, 62]executive function – cognitive flexibility and processing speed
Edinburgh Handedness Inventory - Portuguese adaptation [63]handedness definition
Digit Symbol subtest of the Wechsler Adult Intelligence Scale-III [64, 65]psychomotor speed and working memory
Rey Auditory Verbal Learning test - Portuguese version [66, 67] - total trials 1–5verbal memory
12-item short form of the Raven Advanced Progressive Matrices [68]indication of non-verbal intelligence and to control for individual differences in IQ that are unrelated to illness
Corsi Block-Tapping task [69, 70]psychomotor speed, working memory and executive functioning - the product of the total number of correct trials and the length of the largest sequence was calculated
Benton Visual Retention test [71]visual memory
Rey Auditory Verbal Learning test - Portuguese version [66, 67]– recall and recognition trialsverbal memory
Benton Visual Form Discrimination test [72]visual perception
Phonemic Verbal Fluency test: 3 letters – P, M, R [73]executive function – working memory, word generation and inhibition
Semantic Verbal Fluency test: category – animals [74]executive function – working memory, word generation and inhibition
Vocabulary of the WAIS-III [64, 65]indication of verbal intelligence and control for individual differences in intelligence that are unrelated to illness
Hospital Anxiety and Depression Scale – Snaith Irritability Scale (HADS-SIS) [75, 76]psychiatric symptoms and prevalence of depression and anxiety