Table 1 Inclusion and exclusion criteria

Inclusion criteria

School grade 2P/3P/4P^a

□ Yes

□ No

Right-handedness [80, 81]

□ Yes

□ No

Sufficient Mastery of the French Language

□ Yes

□ No

Able to give oral informed consent (child)

□ Yes

□ No

Able to give written informed consent (parent)

□ Yes

□ No

If No, exclude

Exclusion criteria

Non-consent (children and or parents)

□ Yes

□ No

Repeated a class with respect to standard curriculum

□ Yes

□ No

Not corrected/severe hearing deficits

□ Yes

□ No

Not corrected/severe vision deficits

□ Yes

□ No

Left-handed or ambidextrous

□ Yes

□ No

Severe neurodevelopmental disorders (e.g. severe dyslexia, severe ADHD)

□ Yes

□ No

Younger than 6 in the month following the beginning of interventions

□ Yes

□ No

Older than 8 in the month preceding the beginning of study interventions

□ Yes

□ No

Protocolled music instrumental practice in the preceding year

□ Yes

□ No

Protocolled visual arts courses in the preceding year

□ Yes

□ No

MRI incompatibility (physical or psychological)

□ Yes

□ No

Psychometric battery incompatibility (physical or psychological)

□ Yes

□ No

If Yes, exclude