Table 3 Comparisons of the average local field potentials induced by different stimulating currents in the hippocampus, insula, and amygdala.

From: Evidence of a large current of transcranial alternating current stimulation directly to deep brain regions

Current (mA)

Local field potentials (uV)

Hippocampus

 

Insula

 

Amygdala

 

Left (n = 8) Median (IQR)

Right (n = 7) Median (IQR)

Left (n = 6) Median (IQR)

Right (n = 4) Median (IQR)

Left (n = 6) Median (IQR)

Right (n = 4) Median (IQR)

0

2.24 (1.73, 2.64)

3.07 (2.59, 3.31)

1.70 (1.41, 2.02)

2.30 (1.84, 4.83)

1.33 (1.21, 1.75)

1.67 (1.60, 2.55)

1

2.74 (2.40, 5.81)

4.30 (3.55, 4.94)

2.85 (2.63, 3.49)

3.22 (2.66, 5.41)

1.77 (1.55, 1.98)

2.99 (1.82, 4.21)

3

3.95 (2.44, 9.83)

9.36 (3.83, 24.62)

7.10 (5.99, 10.31)

14.72 (11.92, 16.30)

1.96 (1.92, 2.96)

8.31 (6.49, 15.62)

5

7.46 (4.37, 24.04)

15.68 (5.23, 34.29)

14.49 (11.18, 18.28)

21.32 (15.72, 26.57)

2.51 (2.00, 6.12)

17.37 (12.19, 18.64)

7

11.04 (7.47, 66.57)

39.45 (9.68,81.67)

28.93 (24.85, 35.58)

34.6 (21.21, 54.56)

3.48 (2.11, 10.30)

25.38 (14.23, 118.25)

9

16.25 (15.91,123.47)

108.05 (17.45,143.35)

59.01 (31.40, 113.12)

75.09 (37.78, 249.52)

6.61 (2.22, 15.66)

45.54 (21.99, 658.15)

11

32.46 (21.94, 144.5)

123.04 (19.76, 466.24)

75.28 (58.12, 274.83)

335.25 (47.44, 949.71)

12.18 (2.64, 20.34)

105.08 (23.9, 1481.23)

13

50.81 (26.61, 177.49)

159.78 (36.15, 927.36)

114.74 (71.80, 536.23)

734.37 (57.21, 881.52)

15.64 (2.65, 27.66)

217.24 (39.94, 2,244.93)

15

69.38 (29.59, 233.62)

193.45 (40.92, 1629.51)

351.60 (133.57, 901.03)

1166.88 (73.15, 2,778.20)

18.11 (3.86, 37.61)

412.79 (45.12, 3150.75)

p valuea

<0.0001

<0.0001

<0.0001

0.0004

0.0032

0.0009

Dunnett resultsb

5mA-15mA

5mA-15mA

3mA-15mA

5mA-15mA

7mA-15mA

5mA-15mA

Bonferroni adjustmentsc

7mA-15mA

5mA-15mA

5mA-15mA

7mA-15mA

11mA-15mA

7mA-15mA

  1. IQR interquartile range, mA milliampere, uV microvolts.
  2. ap value were obtained from the Kruskal-Wallis test.
  3. bOnly significant comparisons were presented against 0mA current.
  4. cOnly significant pairwise comparisions were presented.