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Table 3 The relationship between task performance of subjects with stroke and Functional Independence Measure (FIM), Montreal Cognitive Assessment (MoCA), and Behavioural Inattention Test (BIT) scores is shown by the corresponding Spearman correlations

From: A robot-based behavioural task to quantify impairments in rapid motor decisions and actions after stroke

Parameters (normative models)

Spearman correlations r s (P)

 

FIM total

MoCA

BIT

 

Global performance

Target hits

0.52 (3×10−12)

0.38 (1×10−6)

0.48 (2×10−10)

Distractor hits

−0.14 (0.09)

−0.31 (1×10−4)

−0.17 (0.03)

Object hits

0.45 (3×10−9)

0.23 (0.004)

0.40 (2×10−7)

Distractor proportion

−0.45 (4×10−9)

−0.49 (2×10−10)

−0.43 (2×10−8)

Object processing rate

0.39 (6×10−7)

0.27 (6×10−4)

0.33 (3×10−5)

 

Spatial and temporal performance

Miss bias

0.10 (0.22)

−0.08 (0.32)

0.20 (0.01)

Hand transition

−0.16 (0.05)

−0.11 (0.17)

−0.03 (0.72)

Median error

0.48 (3×10−10)

0.36 (6×10−6)

0.44 (8×10−9)

 

Hand specific performance

Hand bias (hits)

−0.01 (0.93)

0.12 (0.15)

−0.20 (0.01)

Hand selection overlap

0.30 (2×10−4)

0.11 (0.18)

0.10 (0.21)

Total hand bias area

0.02 (0.80)

0.15 (0.07)

−0.15 (0.06)

Hand bias speed

−0.01 (0.87)

0.13 (0.11)

−0.18 (0.02)

Object hits

Affected

0.51 (1×10−11)

0.24 (0.003)

0.38 (7×10−7)

Unaffected

0.26 (8×10-4)

0.17 (0.04)

0.30 (1×10-4)

Distractor proportion

Affected

−0.45 (5×10−9)

−0.31 (8×10−5)

−0.36 (4×10−6)

Unaffected

−0.37 (2×10−6)

−0.48 (4×10−10)

−0.41 (9×10−8)

Total hand area

affected

0.44 (6×10−9)

0.07 (0.43)

0.22 (0.005)

Unaffected

0.14 (0.08)

0.17 (0.04)

0.29 (3×10−4)

hand speed

Affected

0.52 (3×10−12)

0.14 (0.09)

0.33 (2×10−5)

Unaffected

0.24 (0.002)

0.16 (0.06)

0.35 (7×10−6)

Parameters impaired

−0.61 (2×10−17)

−0.31 (1×10−4)

−0.43 (3×10−8)

  1. Abbreviations: RH (right hand), LH (left hand), LA (left-affected subject), RA (right-affected subject)