Table 4 The assessment of blinding success and sensation. tRNS, transcranial random noise stimulation.

From: The effect of transcranial random noise stimulation (tRNS) over bilateral parietal cortex in visual cross-modal conflicts

 

Sham (n = 20)

tRNS (n = 20)

Statistics

p-value

n (%)

n (%)

Blinding

 Felt stimulated

8 (40.00)

7 (35.00)

χ² =0.18 

0.744

  Felt non-stimulated 

8 (40.00)

9 (45.00)

  

 Unkown

4 (20.00)

4 (20.00)

  

Sensation questionnaire

 Pinching

3 (15.00)

1 (5.00)

χ² = 1.11

0.292

 Pain

1 (5.00)

2 (10.00)

χ² = 0.36

0.547

 Burning

0

0

NA

NA

 Warmth/Heat

1 (5.00)

2 (10.00)

χ² = 0.36

0.547

 Metallic

0

1 (5.00)

χ² = 1.03

0.311

 Fatigue

3 (15.00)

2 (10.00)

χ² = 0.23

0.633