Healthy participant demographics and lateralization indices

Age (yr)	Sex	EHI Scorea	LI Cerebrum	LI Cerebellum	Lateralization Cerebrum	Lateralization Cerebellum
25	M	−100	0.42	−0.36	L	R
30	M	−100	−0.44	0.34	R	L
33	F	−100	−0.27	0.03	R	S
27	F	−100	0.34	−0.41	L	R
28	F	−100	0.02	−0.43	S	R
35	F	−100	0.24	−0.19	L	R
53	M	−90	−0.18	0.13	R	L
36	F	−90	−0.28	0.07	R	S
30	M	−80	0.13	−0.22	L	R
29	M	−78	0.32	−0.40	L	R
28	F	−20	−0.04	−0.13	S	R
31	M	−20	0.48	0.00	L	S
43	M	0	−0.18	0.00	R	S
30	F	100	0.21	−0.30	L	R
34	F	100	0.16	−0.04	L	S
34	M	100	0.32	−0.12	L	R
34	F	100	0.31	−0.46	L	R
29	F	100	0.42	−0.30	L	R
32	M	100	0.33	−0.09	L	S
28	F	100	0.43	−0.25	L	R

Note:—L indicates left-sided; R, right-sided; S, symmetric; EHI, Oldfield Edinburgh Handedness Inventory.

^aHandedness was assessed with the Oldfield Edinburgh Handedness Inventory.