Participant groups
1 = savant
2 = ASC
3 = athlete
4 = control

Kind of diagnosis received
1 = Autism
2 = PDD_NOS
3 = Other
4 = Aspergers
5 = None
6 = Blank

1 = Male
2 = Female

Whether the participant self-reported grapheme-colour synaesthesia, and whether this was then verified by a score < 1
1 = no_synaesthesia
2 = syn_verified
3 = no_syn_but_self_report

Type of savant skill (mathematical abilities, mental arithmetic etc.)
0 = no
1 = yes