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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Arch Gen Psychiatry. 2012 Aug;69(8):766–774. doi: 10.1001/archgenpsychiatry.2012.147

Table 2.

Overall activity (ERSP), duration, and synchronization (ITC), and frequency of TMS-evoked EEG oscillations in schizophrenia and healthy comparison subjects.

TMS-evoked EEG oscillation parameters Healthy comparison subjects Patients with Schizophrenia Statistics (unpaired t-test)
Prefrontal Cortex (−15 55 35)* (mean±SD) (mean±SD)
TMS-evoked oscillatory activity (ERSP, μV) 107.5±8.8 91.8±4.2 F=57.1
p=4.4*10−9

TMS-evoked synchronization 10.9±3.7 6.5±2.8 F=9.5
p=3.7*10−3

Natural Frequency (Hz) 31.0±4.0 21.5±2.1 F=108.9
p=1.0*10−12

Premotor Cortex (−25 −10 55)*
TMS-evoked oscillatory activity (ERSP, μV) 142.3±34.7 108.0±22.5 F=16.4
p=2.3*10−4

TMS-evoked synchronization (ITC) 16.0±8.2 11.2±6.7 F=5.9
p=0.02

Natural Frequency (Hz) 26.5±2.7 20.2±2.4 F=49.1
p=2.4*10−8

Motor Cortex (−25 −25 55)*
TMS-evoked oscillatory activity (ERSP, μV) 149.1±34.4 125.5±26.0 F=5.9
p=0.02

TMS-evoked synchronization (ITC) 19.3±8.5 16.0±6.0 F=2.1
p=0.15

Natural Frequency (Hz) 21.8±2.9 19.2±2.5 F=6.3
p=0.01

Parietal Cortex (−5 −45 50)*
TMS-evoked oscillatory activity (ERSP, μV) 108.8±15.9 100.7±20.6 F=1.9
p=0.18

TMS-evoked synchronization (ITC) 24.1±9.3 23.9±10.1 F=2.1
p=0.16

Natural Frequency (Hz) 19.9±1.9 18.7±2.5 F=2.5
p=0.12
*

Talairach coordinates