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Test-retest reliability of mismatch negativity for duration, frequency and intensity changes

Test-retest reliability of mismatch negativity for duration, frequency and intensity changes

Authors: 
Tervaniemi M, Lehtokoski A, Sinkkonen J, Virtanen J, Ilmoniemi R.J, Näätänen R
Year: 
1999
Journal: 
Clinical Neurophysiology
Abstract: 

Compared the test-retest reliabilities of the mismatch negativity (MMN) elicited by deviances in sound duration, frequency, and intensity. The MMN was recorded with a 64-channel EEG from 15 19–28 yr olds in 2 sessions over intervals of 1–27 days. During the recordings, Ss watched a silent movie while they were presented with one long stimulus sequence consisting of 6 types of tones. The 66% duration decrement elicited MMN with the most replicable amplitude and latency among the deviances tested. Since these reliabilities considerably exceed those reported previously, these data support the use of the duration decrement deviance presented with spectrally rich tones while investigating the integrity of the patients' cognitive brain functions using the MMN.

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