Table 1.
Database available for analysis in this report
| Monkey ID | Data Logger Recording Duration, h | No. of EMGs | List of EMGs | Brain/SC area | No. of Sites Stimulated | Total No. of Stimulus Responses |
|---|---|---|---|---|---|---|
| P | 20.0/22.9 | 16 | LD AD PD PM BicS Tri BR EDC ECU ECR FDS FCU FCR FDP 1DI AbPB | RF | 23 | 50 |
| 14 | LD PD BicS Tri BR EDC ECU ECR FDS FCU FCR FDP 1DI AbPB | SC | 78 | 207 | ||
| Sa | 6.9/11.3 | 19 | LD Cor BicL BicS Bra BR EDC ED2,3 ED4,5 FDS FPL FCU PT FDP FCR PL AbPB ADM 1DI | RF | 12 | 47 |
| SC | 97 | 335 | ||||
| T | 28.3/40.3 | 16 | LD PM PD AD BicS Tri BR EDC ECU ECR FDS FDP FCR FCU 1DI AbPB | M1 | 48 | 106 |
| U | 3.3/3.4 | 10 | LD PD BicS BR ECU ECR EDC FCU FDS FDP | M1 | 20 | 98 |
| Su | Not available | 24 | LD AD PD Tri Bra Ter Cor BicS BicL BR PT EPL EPB ED2,3 FDS FDP FCR PL ECU FCU APL AbPB 1DI ADM | SC | 105 | 366 |
M1, primary motor cortex; SC, spinal cord; RF, reticular formation; EMG, electromyogram; LD, latissimus dorsi; PM, pectoralis major; PD, posterior deltoid; AD, anterior deltoid; Cor, coracobrachialis; Ter, teres major; BicS, short head of biceps; BicL, long head of biceps; BR, brachioradialis; Bra, brachialis; Tri, triceps; FDS, flexor digitorum superficialis; FDP, flexor digitorum profundus; FCU, flexor carpi ulnaris; FCR, flexor carpi radialis; PL, palmaris longus; FPL, flexor pollicis longus; EDC, extensor digitorum communis; ED2,3, extensor of digits 2,3; ED4,5, extensor of digits 4,5; EPL, extensor pollicis longus; EPB, extensor pollicis brevis; ECR, extensor carpi radialis; ECU, extensor carpi ulnaris; PT, pronator teres; APL, abductor pollicis longus; AbPB, abductor pollicis brevis; 1DI, first dorsal interosseous; ADM, abductor digiti minimi. “Data logger recording duration” shows the duration of daytime recordings that were assessed as active (see methods) and the total duration taken during daytime hours. “No. of EMGs” indicates channels recorded in that animal, which had at least 1 stimulus-evoked response. Underlined channels in the list of EMGs indicate the subset of 10 channels used in some parts of the analysis. “No. of sites” indicates unique electrode positions, at which responses at threshold were identified. “Total no. of stimulus responses” indicates all stimuli intensities tested that gave a response in at least 1 muscle. The following gives a list of muscle abbreviations, which are grouped according to the classification of muscle groups used in Figs. 4 and 5. Shoulder: LD, PM, PD, AD, Cor, and Ter. Elbow flexors: BicS, BicL, BR, and Bra. Elbow extensor: Tri. Forearm flexors: FDS, FDP, FCU, FCR, PL, and FPL. Forearm extensors: EDC, ED2,3, ED4,5, EPL, EPB, ECR, and ECU. Other forearm: PT and APL. Intrinsic hand: AbPB, 1DI, and ADM.