{
"papers": [
{
"doi": "10.1038/nature11347",
"value": "Subtractive (offset change)",
"method": "in vivo optogenetics and electrophysiology",
"metric": "Type of inhibition by SST activation",
"cite_key": "Wilson2012",
"condition": "SST activation alone",
"study_system": "mouse V1",
"value_source_sentence": "dendrite-targeting, somatostatin-expressing (SOM) neurons primarily change response offset"
},
{
"doi": "10.3389/fncir.2019.00040",
"value": "Divisive (gain change)",
"method": "in vivo optogenetics",
"metric": "Type of inhibition by simultaneous SST+PV activation",
"cite_key": "Ingram2019",
"condition": "SST + PV simultaneous activation",
"study_system": "mouse V1",
"value_source_sentence": "Divisive Inhibition Prevails During Simultaneous Optogenetic Activation of PV and SST interneurons"
},
{
"doi": "10.1152/jn.00732.2015",
"value": "Context-dependent (both possible)",
"method": "recurrent network modeling",
"metric": "Model prediction for SST inhibition type",
"cite_key": "LitwinKumar2016",
"condition": "varies with connectivity and tuning",
"study_system": "computational model",
"value_source_sentence": "study the roles of each interneuron subtype in disinhibition, surround suppression, and subtractive or divisive modulation of orientation tuning curves"
},
{
"doi": "10.7554/elife.99808",
"value": "Decoupled (multiple classes resolve trade-off)",
"method": "analytical and simulation",
"metric": "Stability-gain trade-off with multiple IN classes",
"cite_key": "Bos2025",
"condition": "multiple interneuron classes",
"study_system": "computational model",
"value_source_sentence": "In cortical models with a single inhibitory neuron class, network stabilization and gain control work in opposition to one another"
}
],
"comparison_id": "gain-control-type-across-studies",
"comparison_name": "Divisive vs Subtractive Inhibition by SST Interneurons Across Studies",
"comparison_type": "cross-study conflict",
"what_it_reveals": "The nature of SST-mediated inhibition (divisive vs subtractive) is contested and appears to depend on experimental conditions, challenging the simple classification of SST as subtractive inhibitors.",
"homogeneity_check": {
"caveats": [
"Mix of experimental and computational studies",
"Different SST activation protocols",
"Different metrics for divisive vs subtractive"
],
"comparable": false
},
"suggested_plot_type": "grouped bar"
}