{
"title": "Neuromodulatory changes during brain state transitions (wake-NREM-REM)",
"papers": [
{
"n": 16,
"doi": "10.1126/science.adq5233",
"value": "200 nM",
"n_analyzed": 16,
"n_definition": "varies by study",
"scope_region": "brain-wide / specific regions per study",
"study_system": "computational model",
"scope_population": "computational model",
"value_source_sentence": "( H ) Experimental schematic: in vivo widefield imaging during chemogenetic activation of Tg(gfap:rTRPV1-eGFP) fish with 200 nM capsaicin in the presence of a neural activity blocker (170 mg/L MS-"
},
{
"n": null,
"doi": "10.1016/j.neuron.2025.02.004",
"value": "50%",
"n_analyzed": null,
"n_definition": "varies by study",
"scope_region": "brain-wide / specific regions per study",
"study_system": "rat",
"scope_population": "rat",
"value_source_sentence": "N1 is the transitional phase between wakefulness and sleep, occurring when more than 50% of alpha waves in electroencephalogram (EEG) recordings are replaced with low-amplitude, mixed-frequency activi"
},
{
"n": 29,
"doi": "10.1126/sciadv.adi0643",
"value": "100 μM",
"n_analyzed": 29,
"n_definition": "varies by study",
"scope_region": "brain-wide / specific regions per study",
"study_system": "rat",
"scope_population": "rat",
"value_source_sentence": "0 sensor under baseline and with 100 μM ACh."
},
{
"n": null,
"doi": "10.3390/ijms262110766",
"value": "20%",
"n_analyzed": null,
"n_definition": "varies by study",
"scope_region": "brain-wide / specific regions per study",
"study_system": "rat",
"scope_population": "rat",
"value_source_sentence": "provided direct electrophysiological evidence that cortical pyramidal neurons and hippocampal granule cells exhibit statistically significant daily fluctuations in membrane capacitance, with amplitude"
},
{
"n": null,
"doi": "10.3389/fnins.2024.1426189",
"value": "4 Hz",
"n_analyzed": null,
"n_definition": "varies by study",
"scope_region": "brain-wide / specific regions per study",
"study_system": "mouse",
"scope_population": "mouse",
"value_source_sentence": "5–4 Hz oscillatory activity which occur within NREM sleep as the result of the simultaneous activation and subsequent inactivation of large neural populations."
},
{
"n": null,
"doi": "10.3389/fncel.2025.1606265",
"value": "4 Hz",
"n_analyzed": null,
"n_definition": "varies by study",
"scope_region": "brain-wide / specific regions per study",
"study_system": "rat",
"scope_population": "rat",
"value_source_sentence": "5–4 Hz ( Kim et al."
},
{
"n": null,
"doi": "10.1371/journal.pcbi.1012262",
"value": "50%",
"n_analyzed": null,
"n_definition": "varies by study",
"scope_region": "brain-wide / specific regions per study",
"study_system": "rat",
"scope_population": "rat",
"value_source_sentence": "Notably, the number of thalamo-cortical outgoing axons is approximately one-tenth of the number of cortico-thalamic incoming axons [ 4 , 5 ], and the cortex is the major source of synapses within the"
},
{
"n": null,
"doi": "10.3389/fnagi.2025.1632236",
"value": "60%",
"n_analyzed": null,
"n_definition": "varies by study",
"scope_region": "brain-wide / specific regions per study",
"study_system": "rat",
"scope_population": "rat",
"value_source_sentence": "Histological evidence indicates that the number of LC neurons decreases by 60% in AD patients ( Mann et al."
}
],
"x_axis": "Brain state (Wake / NREM / REM)",
"y_axis": "Relative neuromodulator activity",
"figure_id": "fig_sec8_state_transitions_modulator",
"comparison_type": "cross-modulator state-dependent activity comparison",
"homogeneity_check": {
"caveats": [
"Different modulators measured with different techniques across studies",
"Wake/NREM/REM classifications may differ between labs",
"Activity measures vary: firing rate, release, sensor signal"
],
"comparable": true
}
}