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@INBOOK{Krieger:256131,
author = {Radnikow, Gabriele and Qi, Guanxiao and Feldmeyer, Dirk},
editor = {Krieger, Patrik and Groh, Alexander},
title = {{S}ynaptic {M}icrocircuits in the {B}arrel {C}ortex},
address = {New York, NY},
publisher = {Springer New York},
reportid = {FZJ-2015-06140},
pages = {59-108},
year = {2015},
comment = {Sensorimotor Integration in the Whisker System},
booktitle = {Sensorimotor Integration in the
Whisker System},
abstract = {An elementary feature of sensory cortices is thought to be
their organisation into functional signal-processing units
called ‘cortical columns’. These elementary units
process sensory information arriving from peripheral
receptors; they are vertically oriented throughout all
cortical layers and contain several thousands of excitatory
and inhibitory synaptic connections. To understand how
sensory signals are transformed into electrical activity in
the neocortex it is necessary to elucidate the
spatial-temporal dynamics of cortical signal processing and
the underlying neurons and synaptic ‘microcircuits’.In
the somatosensory barrel cortex there appears to be a
structural correlate for the ‘functional’ cortical
column. Therefore, it has become an attractive model system
to study the synaptic microcircuitry in athe neocortex.
Although many synaptic connections in whisker-related
cortical ‘columns’ have been characterised over the past
years our knowledge is far from complete, in particular with
respect to inhibitory connections. In this chapter we will
summarise recent data on different excitatory and inhibitory
synaptic connections in a whisker-related ‘column’ of
the somatosensory cortex and try to outline their function
in the neuronal network. This requires an appreciation of
the diverse types of excitatory and inhibitory neurons and
their function within cortical columns and beyond. When
necessary, we will also discuss the synaptic input from and
to subcortical structures, in particular the thalamus.
However, we will not provide a detailed description of the
functional mechanisms of these connections; this is beyond
the scope of this chapter.},
cin = {INM-2},
cid = {I:(DE-Juel1)INM-2-20090406},
pnm = {571 - Connectivity and Activity (POF3-571)},
pid = {G:(DE-HGF)POF3-571},
typ = {PUB:(DE-HGF)7},
doi = {10.1007/978-1-4939-2975-7_4},
url = {https://juser.fz-juelich.de/record/256131},
}