Table 2.
Clinical stimulation settings and study settings for each subject. For stimulation contacts, “C” corresponds to case return for the clinical settings, and a distant counter electrode for study settings. Degree symbol (°) indicates that the subject performed a counting task during tremor measurement.
| Subject | Clinical Settings | Study Settings | |||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Voltage (V) | Frequency (Hz) | Pulse Width (μs) | Stim. Contacts | Stim. Contacts | Rec. Contacts | Arm Position During Tremor Measurement | |
| EP12A° | 6.1 | 185 | 60 | 0−/1−/C+ | 1−/C+ | 0+/2− | Elbow flexed and unsupported, hand held near face, holding tape roll |
| EP12B° | 4.1 | 145 | 90 | 1−/C+ | 1−/C+ | 0+/2− | Elbow extended and unsupported, arm ~30 deg above horizontal |
| EP12C | 4.6 | 150 | 60 | 0−/1+ | 1−/C+ | 0+/2− | Elbow flexed 90 deg and unsupported |
| EP12D° | 1.8 | 180 | 90 | 0−/C+ | 1−/C+ | 0+/2− | Elbow flexed and unsupported, hand held near face |
| EP12E | 4.6 | 185 | 90 | 1−/2−/C+ | 2−/C+ | 1+/3− | Elbow extended and supported, arm parallel to horizontal |
| EP13A° | 2.3 | 180 | 60 | 1−/2−/3+ | 1−/C+ | 0+/2− | Elbow extended and unsupported, arm parallel to horizontal |
| EP13B° | 1 | 180 | 90 | 1−/0+ | 1−/C+ | 0+/2− | Elbow extended and unsupported, arm ~30 deg above horizontal |
| EP13C | 1 | 180 | 90 | 1−/0+ | 1−/C+ | 0+/2− | Elbow flexed and supported, arm ~30 deg above horizontal |
| EP13E | 1 | 180 | 90 | 0−/1+ | 1−/C+ | 0+/2− | Elbow extended and unsupported, arm ~45 deg above horizontal |
| EP13F° | 4.6 | 90 | 60 | 0−/1−/3+ | 1−/C+ | 0+/2− | Elbow flexed and unsupported, arm perpendicular to horizontal |
| EP13G | 2 | 180 | 90 | 1−/0+ | 1−/C+ | 0+/2− | Elbow flexed and unsupported, hand held near face |
| EP13H | 1 | 180 | 60 | 2−/3+ | 1−/C+ | 0+/2− | Elbow flexed and unsupported, hand held near face, holding water bottle |
| EP13I° | 1 | 180 | 90 | 1−/2+ | 1−/C+ | 0+/2− | Elbow flexed and unsupported, hand held near face, holding cup |
| EP13J | 2 | 185 | 90 | 1−/2+ | 1−/C+ | 0+/2− | Elbow extended and unsupported, arm parallel to horizontal |
| EP13K | 4.4 | 185 | 90 | 1+/2−/3− | 2−/C+ | 1+/3− | Elbow extended and unsupported, arm parallel to horizontal |
| EP13L° | 1.6 | 150 | 60 | 1−/0+/2+ | 1−/C+ | 0+/2− | Elbow flexed 90 deg and unsupported, arm perpendicular to horizontal, holding cup/tape |
| EP13N | 2 | 185 | 90 | 1−/2+ | 1−/C+ | 0+/2− | Elbow flexed 90 deg and unsupported, arm perpendicular to horizontal |