Table 4.
Behavioral Battery (psychometric tests) (measured at all 4 time points: t0: baseline; t1: 6 months; t2: 12 months & t3: 18 months)
| BASIC COGNITION | ||
| Processing speed & Attention | Digit-symbol | WAIS-IV, Wechsler, 2011 [98] |
| Short term memory | Forward Digit Span | WAIS IV, Wechsler, 2011 |
| Backward Digit Span | WAIS IV, Wechsler, 2011 | |
| EXECUTIVE CONTROL | ||
| - Shifting | Number switch | Zuber et al., 2016 [99] |
| Perceptual switch + Prospective Memory | Zuber et al., 2016 | |
| - Inhibition | GoDigit -NoGo | Enge et al., 2014 [100] |
| Stop-Signal Task | Enge et al., 2014 | |
| FLUID INTELLIGENCE | ||
| Logical reasoning | Matrices test | WAIS IV, Wechsler, 2011 |
| KNOWLEDGE | ||
| Episodic memory | Rey Auditory Verbal Learning Test | Bean, 2011 [101]; Rey, 1964 [102]; Helmstaedter et al., 2001 [103] |
| MUSIC COGNITION | ||
| Musical aptitude |
GOLD MSI (melody, rhythm) Harmony test (“Pietri”) |
Müllensiefen, 2014 [92] Oechslin et al., 2013 [5] |
| AUDITIVE COGNITION | ||
| Speech-in-noise perception | International Matrix Test (Oldenburg) | Kollmeier et al., 2015 [104] |
| PERCEPTUAL MOTOR SKILL | ||
| Visuo-manual aptitude | Purdue Pegboard | Tiffin and Asher, 1948 [105] |
| Scale playing on keyboard | Scale analysis | Jabusch et al., 2004 [106] |
| OTHER | ||
| WHOQOL-BREFa | Well-being | WHO, 2014b |
| Physical Activity Scale for Elderly | PASE (last two weeks activities) | Washburn, 1993 [107] |
aWorld Health Organization Quality of Life-BREF (BREF for abbreviated)