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Info requested on Neuroimaging

kkollins at pop3.concentric.net kkollins at pop3.concentric.net
Thu Oct 29 17:30:41 EST 1998

Thank you, kindly, for your update, Harm-Jan. ken collins

Harm-Jan Wieringa wrote:

> fMRI is nice, but is not clinical routine yet, but it IS very popular in the
> research world. One of the problems is to get good stimulation of the
> patient in the fMRI although special equipment is available for that
> nowadays.
> High-resolution, you mean in space. In time it is not so good, due to the
> fact that the hemodynamic response takes about 3 seconds. With EEG and MEG
> you have millisecond resolution, so this is in time better. You can select
> which response you want to localize on.
> There are efforts on the way to combine both techniques. They may supplement
> each other. Some go even so far as to measure the EEG in the MRI scanner,
> during an fMRI experiment.
> Regards,
> Harm-Jan

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