Steven Stufflebeam, M.D.
MGH-NMR Center,
Massachusetts General Hospital
will speak on
Introduction to Designing Magnetoencephalography Experiments
Abstract:
Magnetoencephalography (MEG) is coming to the Charlestown MGH-NMR center.
By early next year you will be able to design and run your own
experiments. I will introduce the topic of MEG and relate it to the more
familiar fMRI and electroencephalography (EEG). In particular, I will
discuss the neurophysiological origins of the MEG and EEG signals in the
brain. The conundrum of determining the location of the source of the MEG
signal, the so-called inverse problem, will be introduced. In this
context, both the advantages and limitations of MEG will be discussed. My
current research work of localizing electromagnetic oscillations will also
be introduced. Specific fMR statistically weighting can be used to test
specific hypotheses about the timing of a particular neural event,
information lacking in fMR images. A major take-home message of the
seminar is that both MEG and EEG should be acquired simultaneously.
MEG/EEG is an exciting addition to the functional imaging capabilities of
the MGH-NMR Center, and it is hoped that you will make use of this
exciting technology.
The lecture will take place in Room 401, 44 Cummington
St.
on Thursday, December 6, 2001
at 4:00 pm
Hosted by the
Brain and Vision Research Laboratory