[Eeglablist] clean_rawdata

[Makoto Miyakoshi]

Thanks Christian.

Makoto

On Wed, Oct 1, 2014 at 2:56 PM, Christian Kothe <christiankothe at gmail.com>
wrote:

> Hi Tyler and Makoto,
>
> yes this is a zero-phase and non-causal FIR filter. Note that you can
> disable it and perform your own drift correction if you are concerned about
> any issues with information flow analysis.
>
> Best,
> Christian
>
> On Tue, Sep 30, 2014 at 7:03 PM, Makoto Miyakoshi <mmiyakoshi at ucsd.edu>
> wrote:
>
>> Dear Tyler and Christian,
>>
>> Theoretically yes, as it most likely uses zero-phase non-causal filter
>> i.e. a spike like a needle will be decomposed into a triangle, the left
>> half of which is 'information from the future'. Tim recommends slope fit
>> and subtract solution he supports in SIFT (that's for high-pass; for
>> low-pass, use cleanline).
>>
>> Christian, is clean_rawdata high-pass filter zero-phase and non-causal?
>> Or was it zero-phase and causal?
>>
>> Makoto
>>
>> On Tue, Sep 30, 2014 at 5:37 AM, Tyler Grummett <
>> tyler.grummett at flinders.edu.au> wrote:
>>
>>> Hello eeglabers, specifically makoto,
>>>
>>> I was just wondering if you used the 'initial high pass filter' in the
>>> function clean_rawdata, would it interupt connectivity analyses?
>>>
>>> Tyler
>>>
>>> Sent from my iPad
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>>
>>
>>
>> --
>> Makoto Miyakoshi
>> Swartz Center for Computational Neuroscience
>> Institute for Neural Computation, University of California San Diego
>>
>
>


-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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