Table 6.
Point of grasp (cm). Top: Trial 1 and 5 across blocks, including the overall average point of grasp and standard deviation across every trial for each object. Bottom: Block 1 and 5 across trials, including the overall average point of grasp and standard deviation across every block for each object.
| Point of Grasp (distance from OP) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Memory-associated | Visual-spatial cue (Dot) | Neutral-control | ||||||||
| Left weighted (OP = 20.18) | Right weighted (OP = 6.30) | Left weighted (OP = 19.85) | Right weighted (OP = 6.29) | Evenly weighted (OP = 13.18) | ||||||
| 1 | 5 | 1 | 5 | 1 | 5 | 1 | 5 | 1 | 5 | |
| Trial | ||||||||||
| AH | 11.50 (8.69) | 12.55 (7.63) | 12.00 (−6.83) | 11.35 (−6.18) | 11.75 (8.10) | 12.00 (7.85) | 12.00 (−5.70) | 11.10 (−4.80) | 11.70 (1.48) | 11.55 (1.63) |
| GW | 13.70 (6.49) | 15.00 (5.18) | 13.60 (−8.43) | 13.55 (−8.38) | 13.65 (6.20) | 13.95 (5.90) | 12.95 (−6.65) | 13.00 (−6.70) | 13.30 (−0.12) | 13.60 (−0.42) |
| JA | 17.10 (3.09) | 21.30 (−1.12) | 15.70 (−10.53) | 2.55 (2.62) | 20.70 (−0.85) | 18.54 (1.31) | 5.55 (0.75) | 2.10 (4.20) | 14.30 (−1.12) | 12.85 (0.33) |
| Healthy | ||||||||||
| Controls | 14.09 (6.10) | 20.21 (−0.03) | 11.53 (−6.36) | 5.15 (0.02) | 17.48 (2.37) | 19.84 (0.01) | 9.60 (−3.31) | 6.30 (0) | 13.48 (−0.29) | 13.18 (0.01) |
| Non-apraxics | 13.48 (6.80) | 19.04 (1.22) | 11.26 (−6.07) | 5.62 (−0.52) | 16.45 (3.45) | 19.05 (0.89) | 9.23 (−3.01) | 5.88 (0.33) | 11.91 (1.33) | 12.57 (0.58) |
| Block | ||||||||||
| AH | 12.10 (8.08) | 13.45 (7.30) | 11.70 (−6.53) | 12.60 (−7.43) | 11.80 (8.05) | 12.55 (7.30) | 11.75 (−5.45) | 11.50 (−5.20) | 11.70 (1.48) | 11.70 (1.48) |
| GW | 15.65 (4.53) | 15.40 (4.45) | 13.95 (−8.78) | 14.35 (−9.18) | 14.10 (5.75) | 15.40 (4.45) | 13.50 (−7.20) | 13.90 (−7.60) | 12.70 (0.48) | 14.95 (−1.77) |
| JA | 20.85 (−0.67) | 20.80 (−2.10) | 6.55 (−1.38) | 4.80 (0.37) | 6.74 (13.11) | 21.95 (−2.10) | 5.70 (0.60) | 2.20 (4.10) | 12.60 (0.58) | 12.65 (0.53) |
| Healthy controls | 17.98 (2.20) | 19.32 (−0.04) | 7.43 (−2.25) | 6.28 (−1.11) | 16.66 (3.19) | 19.89 (−0.04) | 7.80 (−1.51) | 6.58 (−0.28) | 12.86 (0.32) | 12.99 (0.19) |
| Non-apraxics | 16.93 (3.25) | 18.96 (0.50) | 8.86 (−3.39) | 5.21 (−0.58) | 16.47 (3.39) | 19.77 (0.50) | 7.69 (−1.39) | 5.37 (−0.01) | 13.10 (0.08) | 11.37 (1.32) |
Note: OP, optimum grasp-point to compensate for objects’ weight distribution.