{
"papers": [
{
"doi": "10.1038/47035",
"value": "strong electrical coupling within class; absent between classes",
"method": "paired whole-cell recording",
"metric": "LTS-LTS electrical coupling",
"cite_key": "Gibson1999",
"condition": "somatosensory cortex, layer 4, P13-16",
"study_system": "rat",
"value_source_sentence": "Paired-cell recordings showed that inhibitory neurons of the same type were strongly interconnected by electrical synapses, but electrical synapses between different inhibitory cell types were rare."
},
{
"doi": "10.1152/jn.00283.2003",
"value": "LTS cells electrically coupled; synchronize at theta frequencies",
"method": "paired recording",
"metric": "LTS network electrical coupling",
"cite_key": "Beierlein2003",
"condition": "somatosensory cortex, layer 4",
"study_system": "mouse",
"value_source_sentence": "Two dynamically distinct inhibitory networks in layer 4 of the neocortex."
},
{
"doi": "10.1016/s0896-6273(01)00373-7",
"value": "Cx36 knockout eliminates interneuron electrical coupling and synchronous activity",
"method": "Cx36 knockout, paired recording",
"metric": "Cx36-dependent electrical coupling",
"cite_key": "Deans2001",
"condition": "neocortex",
"study_system": "mouse",
"value_source_sentence": "Synchronous activity of inhibitory networks in neocortex requires electrical synapses containing connexin36."
},
{
"doi": "10.1152/jn.90691.2008",
"value": "theta-frequency (3-10 Hz) synchronous firing proportional to coupling strength",
"method": "paired recording, GIN transgenic",
"metric": "SST/GIN cell electrical coupling and synchronization",
"cite_key": "Fanselow2008",
"condition": "somatosensory cortex, layer 2/3",
"study_system": "mouse",
"value_source_sentence": "Synchronous firing was often observed and its strength was directly proportional to the magnitude of electrical coupling between GIN cells."
}
],
"comparison_id": "sst-electrical-coupling",
"comparison_name": "Electrical Coupling Among SST/LTS Interneurons: Properties and Functional Significance",
"comparison_type": "convergent evidence",
"what_it_reveals": "Electrical coupling via gap junctions (connexin36) among SST/LTS interneurons is a consistent finding across multiple labs and species, enabling synchronous firing. The coupling is class-specific (SST-SST but not SST-PV) and strong enough to synchronize spikes.",
"homogeneity_check": {
"caveats": [
"Different species (rat vs mouse), different ages (juvenile vs adult), different layers"
],
"n_definition": "paired recordings",
"scope_region": "somatosensory cortex across studies",
"scope_population": "LTS/SST/GIN interneurons"
},
"suggested_plot_type": "grouped bar"
}