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. Author manuscript; available in PMC: 2006 Oct 1.
Published in final edited form as: Cereb Cortex. 2005 Dec 15;16(10):1462–1473. doi: 10.1093/cercor/bhj087

Table 1.

DBS subjects information

Case IDa DBS setting
Time of experiment relative to surgery
Electrode contacts
0 1 2 3 Case Voltage (V) Pulse width (μs) Frequency (Hz) No stimulation DBS on ΔLIb
1R 0 – – – + 2 270 185 3 months 10 days 5 months 10 days −0.028
1R 0 – – – + 1.8 270 185 23 months 23 months −0.205
1R 0 – 0 0 + 1.8 270 185 23.5 months 23.5 months −0.112
2R 0 – – – + 6.7 120 185 6 months 6 months −0.300
3R + – 0 0 0 4.9 120 185 11 months 11 months −0.354
4R + – – – 0 4.3 60 185 37 months 37 months −0.074
5R + – – – 0 4.1 210 185 −1 dayc 2 days −0.342
5R + – – – 0 3 210 185 −1 dayc 9 days −0.192
5R + – – – 0 3.8 210 185 −1 dayc 5 months −0.043
5R + – – – 0 2.8 210 185 16 months 16 months −0.046
5L 0 0 – + 0 2.5 210 185 −1 dayc 10 days 0.149
6R 0 – – + 0 4.5 60 145 12 months 12 months −0.313
6L + – – – 0 1.8 120 185 −1 dayc 5 days 0.028
7R + – – – 0 3.2 150 185 9 months 1 day −0.187
7L 0 0 0 – 0 2.5 60 185 1.3 months 1.3 months −0.054
8R 0 0 0 – 0 4 60 185 1.5 months 1.5 months −0.049
9R – 0 0 0 + 2 60 185 1.7 months 1 month −0.043
9L 0 – 0 0 + 3.5 90 185 30 months 29.5 months 0.003
10R 0 0 – 0 + 3.5 150 185 4.3 months 4.3 months 0.126
10R 0 – – – + 2.9 210 185 6 months 6 months 0.100
11R – 0 0 0 + 3.2 90 185 28 months 28 months 0.129
12L 0 0 0 – + 3.5 90 185 33 months 33 months −0.006
12L 0 – – – + 2.1 90 185 34 months 34 months −0.106
13R – 0 0 0 + 3.6 120 185 24 months 24 months −0.156
14R 0 + – 0 0 3.3 60 185 61 months 61 months 0.103
15R – + 0 0 0 3 60 185 8 months 8 months −0.121
a

Case ID: number identifies the patient, letter identifies the arm used in the experiment.

b

ΔLI denotes the average change in learning index between DBS-on and no-stimulation sessions for the last 2 adaptation sets.

c

Patient was tested the day before surgery.