Table 1. Amputee clinical details and imaging values in the phantom cortex.
Age | Age at amp. | Amp. level | Side/dominant | Phantom sensation mag./scan | Phantom pain mag./scan | Stump pain mag. | Voluntary fingers mov. | Teles-coping | GMV | Phantom activation | FC at rest | Cause of amp. | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A01 | 43 | 38 | 4 | L/R | 10/10 | 7/0 | 2 | Good | Y | 0.36 | 1.73 | 0.39 | Trauma |
A02 | 42 | 22 | 4 | R/L | 1.74/5 | 2.5/0 | 0.25 | Poor | N | 0.30 | 0.91 | 0.64 | Nerve Ia |
A03 | 21 | 18 | 4 | R/L | 8/9 | 3.33/0 | 0 | Fair | Y | 0.33 | 1.49 | 0.64 | Trauma |
A04 | 46 | 37 | 2 | L/R | 3/2 | 2/8 | 0 | Poor | N | 0.21 | 1.13 | 0.56 | Nerve Ia |
A05 | 48 | 20 | 1 | R/R | 10/7 | 4.5/0 | 0.5 | Good | N | 0.35 | 1.61 | 0.46 | Trauma |
A06 | 58 | 11 | 2 | R/R | 1.2/6 | 1.75/0 | 0 | Good | Y | 0.27 | 1.02 | 0.69 | Trauma |
A07 | 31 | 2 | 2 | L/R | 0/0 | 0/0 | 0 | NA | NA | 0.31 | 0.34 | 0.79 | Trauma |
A08 | 54 | 20 | 5 | L/L | 10/10 | 4/0 | 0 | Fair | N | 0.28 | 1.09 | 0.50 | Trauma |
A09 | 47 | 45 | 2 | L/L | 9/9 | 8/0 | 1.5 | Fair | Y | 0.36 | 1.81 | 0.30 | Tumour |
A10 | 60 | 34 | 2 | R/R | 8/6 | 1/0 | 0 | Poor | Y | 0.23 | 0.03 | 1.08 | Trauma |
A11 | 51 | 35 | 4 | L/R | 5/2 | 1.75/1 | 0 | Good | N | 0.28 | 0.76 | 0.45 | Infection |
A12 | 47 | 19 | 2 | L/R | 4.5/6 | 4.5/0 | 0 | Good | Y | 0.31 | 2.41 | 0.74 | Traumaa |
A13 | 57 | 48 | 4 | R/L | 3.5/7 | 1.5/0 | 3 | Poor | N | 0.24 | 0.56 | 0.74 | Infection |
A14 | 56 | 40 | 2 | L/R | 8/10 | 1.75/0 | 0 | Fair | N | 0.37 | 0.59 | Trauma | |
A15 | 22 | 18 | 5 | L/R | 10/10 | 1/4 | 0 | Fair | N | 0.22 | 1.69 | 0.73 | Trauma |
A16 | 43 | 33 | 4 | L/R | 2.67/4 | 2.33/4 | 1.2 | Good | N | 0.24 | 0.88 | 0.56 | Trauma |
A17 | 50 | 28 | 4 | L/R | 5/2 | 3/0 | 0 | Good | N | 0.30 | 0.91 | 0.46 | Trauma |
A18 | 52 | 45 | 4 | L/R | 1.33/0 | 0/1 | 0 | Good | N | 0.27 | 0.69 | 0.58 | Trauma |
amp., amputation; amputation levels: 5, wrist; 4, below elbow; 3, through elbow; 2, above elbow; 1, through shoulder; side, side of amputation; dominant, hand dominance before amputation (based on self-report)—L, left; R, right; mag., magnitude; scan, intensity in scanning day; mov., movement; telescoping: Y, yes; N, no; NA, not available; GMV, grey matter volume values; Nerve I, nerve injury; phantom activation, betas (converted to percentage signal change) for the contrast phantom movements versus feet; FC at rest, functional connectivity between bilateral hand regions.
aIndicates potential partial spinal damage.