The Effects of Sequential Versus Referential Montage Neurofeedback Amplitude Training on Qeeg Measures of Phase and Coherence.

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An important clinical research question to be answered in the field of neurofeedback (NF) is whether amplitude training affects connectivity between cortical sites. This study hypothesizes that, following NF amplitude training, there will be a difference in QEEG coherence and phase measures between NF training done using referential montages and using sequential montages. The study examined case files of 16 adult clients from the University of North Texas Neurotherapy Lab who had received NF training that consisted of either referential or sequential placement amplitude training (no coherence training) and who received both pre- and post- treatment QEEGs. Sixty-eight percent of ... continued below

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Ramezani, Amir August 2008.

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  • Ramezani, Amir

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An important clinical research question to be answered in the field of neurofeedback (NF) is whether amplitude training affects connectivity between cortical sites. This study hypothesizes that, following NF amplitude training, there will be a difference in QEEG coherence and phase measures between NF training done using referential montages and using sequential montages. The study examined case files of 16 adult clients from the University of North Texas Neurotherapy Lab who had received NF training that consisted of either referential or sequential placement amplitude training (no coherence training) and who received both pre- and post- treatment QEEGs. Sixty-eight percent of the cases consisted of referential placements, while 34% of the cases consisted of sequential placements. All frontal site phase and coherence abnormal z-scores at pre-treatment were converted to deviation scores and compared by general linear model analysis of variance to post-treatment deviation scores. Effect size r-values and eta square values indicate that differences between referential and sequential electrode placements after NF amplitude training are moderately high. This study shows that referential placements tend to increase phase scores and decrease coherence scores, while sequential placements tend to decrease phase scores and increase coherence scores.

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  • August 2008

Added to The UNT Digital Library

  • May 11, 2009, 8:08 p.m.

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  • July 8, 2015, 3:29 p.m.

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Ramezani, Amir. The Effects of Sequential Versus Referential Montage Neurofeedback Amplitude Training on Qeeg Measures of Phase and Coherence., dissertation, August 2008; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc9048/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .