Skip to main content

Table 1 Variance of distance between of center of cluster (associated with 5 or 14-electrode headset) and points associated with given GCS values, \(n_{\text{ex}}\) denotes number of points used for variance calculation

From: Multifactor consciousness level assessment of participants with acquired brain injuries employing human–computer interfaces

5 electrodes, GCS (sum)

5 electrodes, GCS (eyes)

5 electrodes, GCS (motor)

5 electrodes, GCS (verbal)

GCS

Variance

\(n_{\text{ex}}\)

GCS

Variance

\(n_{\text{ex}}\)

GCS

Variance

\(n_{\text{ex}}\)

GCS

Variance

\(n_{\text{ex}}\)

5

12.860

410

2

29.211

1835

1

18.581

336

1

37.107

1915

6

21.247

592

3

71.507

1295

2

67.480

1259

2

58.221

2758

7

55.822

1953

4

55.497

1876

3

42.782

2777

3

65.401

333

8

61.848

1046

   

4

72.903

634

   

9

37.872

841

         

10

79.022

524

         

14 electrodes, GCS (sum)

14 electrodes, GCS (eyes)

14 electrodes, GCS (motor)

14 electrodes, GCS (verbal)

GCS

Variance

\(n_{\text{ex}}\)

GCS

Variance

\(n_{\text{ex}}\)

GCS

Variance

\(n_{\text{ex}}\)

GCS

Variance

\(n_{\text{ex}}\)

5

32.239

349

2

32.239

349

1

21.061

281

1

52.001

2361

6

21.061

281

3

53.590

588

2

51.859

1088

2

39.748

639

7

57.074

1006

4

52.022

2063

3

60.515

1313

   

8

63.194

1046

   

4

18.385

318

   

10

18.385

318

         
  1. Calculations were performed for points in a 32-dimensional space of autoencoder-generated embedding vectors