Neurophysiologists are often accused by colleagues in the physical
sci ences of designing experiments without any underlying
hypothesis. This impression is attributable to the ease of getting
lost in the ever-increasing sea of professional publications which
do not state explicitly the ultimate goal of the research. On the
other hand, many of the explicit models for brain function in the
past were so far removed from experimental reality that they had
very little impact on further research. It seems that one needs
much intimate experience with the real nerv-. ous system before a
reasonable model can be suggested. It would have been impossible
for Copernicus to suggest his model of the solar system without the
detailed observations and tabulations of star and planet motion
accu mulated by the preceeding generations. This need for intimate
experience with the nervous system before daring to put forward
some hypothesis about its mechanism of action is especially
apparent when theorizing about cerebral cortex function. There is
widespread agreement that processing of information in the cor tex
is associated with complex spatio-temporal patterns of activity.
Yet the vast majority of experimental work is based on single
neuron recordings or on recordings made with gross electrodes to
which tens of thousands of neurons contribute in an unknown
fashion. Although these experiments have taught us a great deal
about the organization and function of the cor tex, they have not
enabled us to examine the spatio-temporal organization of neuronal
activity in any detail."
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