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MEG-EEG Primer (Paperback)
Loot Price: R2,762
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MEG-EEG Primer (Paperback)
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Magnetoencephalography (MEG) and electroencephalography (EEG)
provide complementary views to the neurodynamics of healthy and
diseased human brains. Both methods are totally noninvasive and can
track with millisecond temporal resolution spontaneous brain
activity, evoked responses to various sensory stimuli, as well as
signals associated with the performance of motor, cognitive and
affective tasks. MEG records the magnetic fields, and EEG the
potentials associated with the same neuronal currents, which
however are differentially weighted due to the physical and
physiological differences between the methods. MEG is rather
selective to activity in the walls of cortical folds, whereas EEG
senses currents from the cortex (and brain) more widely, making it
harder to pinpoint the locations of the source currents in the
brain. Another important difference between the methods is that
skull and scalp dampen and smear EEG signals, but do not affect
MEG. Hence, to fully understand brain function, information from
MEG and EEG should be combined. Additionally, the excellent
neurodynamical information these two methods provide can be merged
with data from other brain-imaging methods, especially functional
magnetic resonance imaging where spatial resolution is a major
strength. MEG-EEG Primer is the first-ever volume to introduce and
discuss MEG and EEG in a balanced manner side-by-side, starting
from their physical and physiological bases and then advancing to
methods of data acquisition, analysis, visualization, and
interpretation. The authors pay special attention to careful
experimentation, guiding readers to differentiate brain signals
from various artifacts and to assure that the collected data are
reliable. The book weighs the strengths and weaknesses of MEG and
EEG relative to one another and to other methods used in systems,
cognitive, and social neuroscience. The authors also discuss the
role of MEG and EEG in the assessment of brain function in various
clinical disorders. The book aims to bring members of
multidisciplinary research teams onto equal footing so that they
can contribute to different aspects of MEG and EEG research and to
be able to participate in future developments in the field.
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