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  4. Synaptic dynamics control the timing of neuronal excitation in the activated neocortical microcircuit
 
research article

Synaptic dynamics control the timing of neuronal excitation in the activated neocortical microcircuit

Silberberg, G.  
•
Wu, C.
•
Markram, H.  
2004
J Physiol

It is well established that sensory stimulation results in the activity of multiple functional columns in the neocortex. The manner in which neurones within each column are active in relation to each other is, however, not known. Multiple whole-cell recordings in activated neocortical slices from rat revealed diverse correlation profiles of excitatory synaptic input to different types of neurones. The specific correlation profile between any two neurones could be predicted by the settings of synaptic depression and facilitation at the input synapses. Simulations further showed that patterned activity is essential for synaptic dynamics to impose the temporal dispersion of excitatory input. We propose that synaptic dynamics choreograph neuronal activity within the neocortical microcircuit in a context-dependent manner.

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Type
research article
DOI
10.1113/jphysiol.2004.060962
Web of Science ID

WOS:000220887500003

PubMed ID

14978208

Author(s)
Silberberg, G.  
Wu, C.
Markram, H.  
Date Issued

2004

Published in
J Physiol
Volume

556

Issue

Pt 1

Start page

19

End page

27

Note

Brain Mind Institute, EPFL, Lausanne CH-1015, Switzerland.

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LNMC  
Available on Infoscience
February 27, 2008
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/19351
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