Table S1.

Demographics and neuropsychological data for the individuals with cerebellar degeneration tested in experiment 3

Participant	Age, y	Gender	Diagnosis	MoCA score	ICARS score
1	68	F	Ataxia, SCA-6	27	24
2	57	M	Ataxia, SCA-4	26	22
3	68	M	Ataxia, SCA-6	26	29
4	65	M	Ataxia, unknown	26	46
5	25	M	Ataxia, unknown	26	34
6	54	M	Ataxia, unknown	27	42
7	59	F	Ataxia, unknown	29	21
8	61	M	Ataxia SCA-2	23	26
9	52	F	Ataxia, unknown	24	57
10	55	F	Ataxia, SCA-6	25	31

Diagnoses of each patient are shown, along with scores on MoCA (34) and International Cooperative Ataxia Rating Scale (ICARS; ref. 35). Individuals with SCA-3 were not included in the analyses and are thus not included in the table.