Re: Getting more out of PET and fMRI!

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#650

From: Greig de Zubicaray
Date: Sun, 17 May 1998 00:00

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On Sun, 17 May 1998 01:37:38 +1000, Stephen Hicks
<oleosat@bigfoot.com> wrote:

| I can suggest an area that definately needs some mathematical help.
| Interpreting the PET and fMRI images of humans "in thought".  The method
| commonly used is merely subtracting the highest changes in energy from a
| baseline taken previously.  This is a misleading technique that presents
| the researcher with those famous "Modes of Cognition" pictures that
| frequently cover psychological journals.  You could explore better ways
| to extract information from these images rather then using the feeble
| "Subtraction Technique".

You're a little out of date. fMRI investigations routinely employ
parametric and event-related designs these days. Besides, the
subtraction paradigm is still quite useful if used appropriately. 

Greig de Zubicaray



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From: Greig.deZubicaray@cmr.uq.edu.au (Greig de Zubicaray)
Subject: Re: Getting more out of PET and fMRI!
Date: 1998/05/17
Message-ID: <355f6e32.1417194@news.uq.edu.au>
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