Table 1 Descriptive statistics.

From: Transcutaneous vagus nerve stimulation and extinction of prepared fear: A conceptual non-replication

 

tVNS

M(SD)

Sham

M(SD)

p

PSWQ

47.07 (8.59)

46.21 (9.98)

0.63

STAI state

41.83 (10.21)

41.28 (9.80)

0.95

STAI trait

38.44 (7.46)

37.51 (6.35)

0.48

A-SPQ

4.44 (3.43)

3.09 (2.78)

0.05

Positive mood

57.15 (15.41)

56.92 (19.35)

0.95

Negative mood

29.74 (18.25)

27.81 (18.23)

0.63

US unpleasantness Rating

65.14 (15.42)

63.54 (13.72)

0.61

Resting HRV (RMSSD)

45.61 (23.86)

43.91 (24.70)

0.75

Resting HR

75.10 (11.20)

76.64 (13.56)

0.57

  1. Note. PSWQ: Penn State Worry Questionnaire, STAI-S: State-Trait Anxiety Questionnaire, A-SPQ: abbreviated Spider Phobia Questionnaire, US: Unconditioned stimulus, HRV: heart rate variability (Root mean square of the successive differences), HR: heart rate. Measurements of resting HR(V) were performed prior to the Acquisition phase. Between-group differences were tested using independent-samples t-tests.