Table 3 Correlation of MMN amplitude with ASSR indices (ITC and ERSP)

From: Electrophysiological evidence for abnormal glutamate-GABA association following psychosis onset

 

MMN

 

ROSZ

UHR

HC

 

r

p

r

p

r

p

ITC

 0–500 ms

–0.69

< 0.001

–0.25

0.20

–0.26

0.22

 Time blocks

0–100 ms

–0.13

0.56

–0.04

0.86

–0.29

0.17

100–200 ms

–0.33

0.14

–0.26

0.19

–0.13

0.53

200–300 ms

–0.29

0.21

–0.33

0.10

–0.16

0.46

300–400 ms

–0.36

0.11

–0.27

0.17

–0.29

0.17

400–500 ms

–0.37

0.10

–0.18

0.38

–0.30

0.15

ERSP

0–500 ms

–0.17

0.47

–0.31

0.11

–0.29

0.16

 Time blocks

0–100 ms

0.09

0.69

–0.19

0.34

–0.39

0.06

100–200 ms

–0.07

0.75

–0.17

0.40

–0.22

0.31

200–300 ms

–0.14

0.55

–0.32

0.10

–0.09

0.68

300–400 ms

–0.21

0.35

–0.36

0.07

–0.29

0.17

400–500 ms

–0.28

0.22

–0.29

0.14

–0.41

0.05

  1. Underlined result indicates p < 0.0014 (0.05/36)
  2. ROSZ recent-onset schizophrenia, UHR ultra-high risk, HC healthy control, MMN mismatch negativity, ASSR auditory steady-state response, ITC intertrial phase coherence, ERSP event-related spectral perturbation