Table 1 Inclusion and exclusion criteria

• age between 6 years 0 month and 13 years 11 months

• ABC scale total score equal or higher than 15

• total IQ score between 45 and 70 (WPPSI-III, WPPSI-IV, WISC-IV or WISC-V scale) AND standard score of at least one domain of the VABS-II between 40 and 70 AND measurements carried out for less than 18 months

• French speaker

• Psychotropic medication remained unchanged for 1 month

• Occupational, speech, orthoptic and/or psychomotor therapies remained unchanged for 1 month

• DSM-5 criteria for autism spectrum disorder

• vascular, infectious or degenerative neurological condition

• medication for somatic problem that might interfere with brain functioning