Table 2 Correlations between speech measures that show CHR vs. HC group differences and non-speech motor/clinical/risk validation measures. Note that the spontaneous speech task is not included as we did not observe significant group differences in that task.

From: Speech characteristics yield important clues about motor function: Speech variability in individuals at clinical high-risk for psychosis

 

Diadochokinetic-AMR

Diadochokinetic-SMR

Read Speech

 

Voiceless VOT CoV

Speech rate CoV

Voiceless VOT CoV

Speech rate CoV

Voiceless VOT CoV

Speech rate CoV

SIPS positive total

r = 0.1 (p = 0.79)

r = 0.19 (p = 0.19)

r = 0.08 (p = 0.84)

r = 0.07 (p = 0.62)

r = 0.28 (p = 0.12)

r = 0.07 (p = 0.62)

SIPS negative total

r = 0.23 (p = 0.28)

r = 0.07 (p = 0.64)

r = 0.22 (p = 0.32)

r = 0.18 (p = 0.21)

r = 0.17 (p = 0.48)

r = 0.05 (p = 0.7)

SIPS disorganized total

r = 0.07 (p = 0.9)

r = 0.26 (p = 0.08)

r = 0.28 (p = 0.16)

r = 0.13 (p = 0.37)

r = 0.2 (p = 0.38)

r = 0.02 (p = 0.89)

SIPS G3 (motor)

r = 0.15 (p = 0.62)

r = 0.11 (p = 0.48)

r = 0.2 (p = 0.39)

r = 0.06 (p = 0.68)

r = 0.26 (p = 0.2)

r = 0.11 (p = 0.45)

Finger-tapping CoV (dominant hand)

r = 0.06 (p = 0.92)

r = 0.08 (p = 0.6)

r = 0.08 (p = 0.87)

r = 0.09 (p = 0.54)

r = 0.17 (p = 0.48)

r = 0.11 (p = 0.47)

Finger-tapping CoV (non-dominant hand)

r = 0.15 (p = 0.62)

r = 0.29 (p = 0.05)

r = 0.05 (p = 0.96)

r = 0.1 (p = 0.51)

r = 0.18 (p = 0.49)

r = 0.39 (p = 0.01)

SIPS-RC risk score

r = 0.4 (p = 0.02)

r = 0.07 (p = 0.65)

r = 0.32 (p = 0.1)

r = 0.09 (p = 0.53)

r = 0.13 (p = 0.66)

r = 0.1 (p = 0.51)