[Eeglablist] newtimef() and ITC

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Wed Dec 7 19:00:14 PST 2016


Dear Jumana,

> Is there any issue doing ITC time frequency analysis on the 0.1Hz dataset?

No, not at all.
It only becomes a problem if you analyze below 0.1Hz for which you need at
least 10-s long window, which is usually not doable with most of standard
ERP experiments.

Makoto

On Tue, Dec 6, 2016 at 3:42 AM, Ahmad, Jumana <jumana.ahmad at kcl.ac.uk>
wrote:

> Dear all,
>
>
>
> I am aiming to measure inter trial coherence.
>
>
>
> I have 2 datasets, 1.5Hz and 0.1Hz filtered, and I apply the weights of
> 1.5Hz to 0.1Hz.
>
> I then remove components from 0.1Hz. This is over 600 participants so I
> only do this once.
>
>
>
> I then measure ERPs in the 0.1Hz dataset. However, I wanted to measure
> ITC. Is there any issue doing ITC time frequency analysis on the 0.1Hz
> dataset? Does *newtimef() *work OK with low frequency information in the
> dataset?
>
> I do not want to do the ICA component removing twice on 600 people, and I
> also wanted to relate the ITC to the ERP analysis. Any advice would be
> appreciated.
>
> Thank you,
>
> Jumana
>
>
>
> *------------------------------------------*
>
> *Jumana Ahmad*
>
> Post-Doctoral Research Worker in Cognitive Neuroscience
>
> *EU-AIMS Longitudinal European Autism Project (LEAP) & SynaG Study*
>
> Room M1.09. Department of Forensic and Neurodevelopmental Sciences (PO 23)
> | Institute of Psychiatry, Psychology & Neuroscience | King’s College
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>
>
>
> *Phone:* 0207848 0260| *Email:* jumana.ahmad at kcl.ac.uk
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>
>
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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