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Compartmentalization of GABAergic inhibition by dendritic spines (Chiu et al. 2013)
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Accession:
143604
A spiny dendrite model supports the hypothesis that only inhibitory inputs on spine heads, not shafts, compartmentalizes inhibition of calcium signals to spine heads as seen in paired inhibition with back-propagating action potential experiments on prefrontal cortex layer 2/3 pyramidal neurons in mouse (Chiu et al. 2013).
Reference:
1 .
Chiu CQ, Lur G, Morse TM, Carnevale NT, Ellis-Davies GC, Higley MJ (2013) Compartmentalization of GABAergic inhibition by dendritic spines.
Science
340
:759-62
[
PubMed
]
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Model Information
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Model Type:
Synapse;
Dendrite;
Brain Region(s)/Organism:
Neocortex;
Cell Type(s):
Neocortex L2/3 pyramidal GLU cell;
Channel(s):
I Na,t;
I L high threshold;
I K;
Gap Junctions:
Receptor(s):
GabaA;
Gene(s):
Transmitter(s):
Simulation Environment:
NEURON;
Model Concept(s):
Dendritic Action Potentials;
Influence of Dendritic Geometry;
Implementer(s):
Carnevale, Ted [Ted.Carnevale at Yale.edu];
Morse, Tom [Tom.Morse at Yale.edu];
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Neocortex L2/3 pyramidal GLU cell
;
GabaA
;
I Na,t
;
I L high threshold
;
I K
;
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singleDendrite
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10x dend inhib with bAP (widespread inhib with smaller change in amplitude)
spine inhibiton with bAP (compartmentalized inhibition)