[FieldTrip] [EXTERNAL] Re: Alternatives to cluster based permutation test

[Robinson, Heath]

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From: fieldtrip-bounces at science.ru.nl [mailto:fieldtrip-bounces at science.ru.nl] On Behalf Of David Groppe
Sent: Monday, May 15, 2017 10:24 AM
To: FieldTrip discussion list <fieldtrip at science.ru.nl>
Subject: [EXTERNAL] Re: [FieldTrip] Alternatives to cluster based permutation test


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Hi Arti,
 For very focal effects, the tmax permutation test and Benjamini & Hochberg false discovery rate (FDR) control algorithm are more powerful than cluster-based permutation tests:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4059014/<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4059014%2F&data=01%7C01%7Cherobinson%40augusta.edu%7Cdfe6c5c8b9894be7539408d49b9e25b2%7C8783ac6bd05b4292b483e65f1fdfee91%7C0&sdata=5Mzigr%2BY2jMV%2BBpVMM4rePhKg9KWTgT2%2FS%2F1g7dEiTs%3D&reserved=0>
cheers,
   -David


On Sat, May 13, 2017 at 10:18 AM, Arti Abhishek <mailtome.2113 at gmail.com<mailto:mailtome.2113 at gmail.com>> wrote:
Dear list,
I was wondering whether it is appropriate to use cluster permutation tests on 32 channel ERP data. I am working on visual ERP response to text stimuli, and since there are only few electrodes I am expecting a focal effect (on P7 and P8). I was wondering whether it is appropriate to use cluster statistics here. If not, what test do you suggest?
Thank you,
Arti

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