|Scandola et al. 2014
Population: Tetraplegic group (n=16): Mean age: 45.9±14.5 yr; Gender: males=10, females=6; Mean Spinal Cord Independence Measure-III (SCIM-3): 33.4±16.8; Level of injury: AIS A=8, AIS B=8; Severity of Injury: C4-C6; Mean time since injury: 13.3±10.9 yr. Paraplegic group (n=16): Mean age: 50.0±13.2 yr; Gender: males=12, females=4; Level of injury: AIS A=14, AIS B=2; Severity of Injury: T1-L4; Mean time since injury: 18.5±12.4 yr.
Healthy controls (n=16): Mean age: 43.1±16.9 yr; Gender: males=8, females=8.
Intervention: Induction of the Rubber Hand Illusion (RHI) through synchronous multisensory visuo-tactile bodily stimulation (cheek and rubber hand vertically aligned with real hand) to determine the correlation with plastic remapping.
Outcome Measures: 6-item questionnaire; Illusion Related Questions (IRQ), Illusion Control Questions (ICQ), Big-Five Inventory (BFI-10), Tellegen Absorption Scale (TAS).
1. Three-way interaction between number of drifts, group and stimulation-type and body part was significant (p=0.02).
2. Tetraplegic group showed significantly greater values in IRQ than ICQ responses in hand-synchronous (p=0.0001), hand-asychronous (p=0.026), and face-synchronous conditions (p=0.024).
3. In the paraplegic group, significant values found in IRQ over ICQ responses in hand-synchronous (p<0.0001) and hand-asychronous (p=0.0002); whereas in healthy group only found significance in hand-synchronous condition (p<0.0001).
4. No statistically significant correlations were found between drifts or questionnaire responses and the TAS, the BFI-10, the SCIM-3 and the NLI.