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3 | 3 | <p><strong>Changing the conductance densities</strong></p> |
4 | 4 |
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5 | 5 |
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6 | | - <p>Try changing the conductance densities of some of the ion channels below.</p> |
| 6 | + <p>Try changing the conductance densities of some of the ion channels below. Some scenarios to try:</p> |
| 7 | + |
| 8 | + <p><strong> > Remove the high transient Na<sup>+</sup> conductance on the axon</strong> <br/> |
| 9 | + Setting this value to 0 should lead to reduced firing frequency. However there is still a persistent Na<sup>+</sup> and so a gradual depolarisation leading to spiking...</p> |
| 10 | + |
| 11 | + <p><strong> > Remove the persistent Na<sup>+</sup> conductance on the axon</strong> <br/> |
| 12 | + This removes all spiking in the cell.</p> |
7 | 13 |
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8 | 14 | <div class="tutorialForm center"> |
9 | 15 |
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10 | | - <div class="tutorialLabel" style="width:300px">Fast, transient Na<sup>+</sup> conductance on <strong>axon</strong> (S/cm2) <input id="axonal_gNaTa_tbar_NaTa_t" type="text" value="3.429725"></input></div> |
11 | | - <div class="tutorialLabel" style="width:300px">Persistent Na<sup>+</sup> conductance on <strong>axon</strong> (S/cm2) <input id="axonal_gNap_Et2bar_Nap_Et2" type="text" value="0.009803"></input></div> |
| 16 | + <div class="tutorialLabel" style="width:300px">Fast, transient Na<sup>+</sup> conductance on axon (S/cm2) <input id="axonal_gNaTa_tbar_NaTa_t" type="text" value="3.429725"></input></div> |
| 17 | + <div class="tutorialLabel" style="width:300px">Persistent Na<sup>+</sup> conductance on axon (S/cm2) <input id="axonal_gNap_Et2bar_Nap_Et2" type="text" value="0.009803"></input></div> |
| 18 | + |
| 19 | + <div class="tutorialLabel" style="width:300px">Persistent K<sup>+</sup> conductance on axon (S/cm2)<input id="axonal_gK_Pstbar_K_Pst" type="text" value="0.959296"></input></div> |
12 | 20 |
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13 | | - <div class="tutorialLabel" style="width:300px">Persistent K<sup>+</sup> conductance on <strong>axon</strong> (S/cm2)<input id="axonal_gK_Pstbar_K_Pst" type="text" value="0.959296"></input></div> |
| 21 | + <div class="tutorialLabel" style="width:300px">Axial resistance (resistivity) on whole cell (Ohm cm)<input id="resistivity" type="text" value="100"></input></div> |
14 | 22 |
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15 | 23 |
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16 | 24 | <div class="tutorialLabel">Input current (pA) <input id="iAmp" type="text" value="180"> </input></div> |
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23 | 31 | axonal_Nap:{'Model.neuroml.L23_cADpyr.biophys.membraneProperties.axonal_gNap_Et2bar_Nap_Et2.condDensity':$('#axonal_gNap_Et2bar_Nap_Et2').val()}, |
24 | 32 | axonal_K_Pst:{'Model.neuroml.L23_cADpyr.biophys.membraneProperties.axonal_gK_Pstbar_K_Pst.condDensity':$('#axonal_gK_Pstbar_K_Pst').val()}, |
25 | 33 | |
| 34 | + resistivity:{'Model.neuroml.L23_cADpyr.biophys.intracellularProperties.resistivity.value':$('#resistivity').val()}, |
| 35 | + |
26 | 36 | iamp:{'Model.neuroml.L23_cADpyr.transient_pulse_current.amplitude':$('#iAmp').val()}, |
27 | 37 | idel:{'Model.neuroml.L23_cADpyr.transient_pulse_current.delay':$('#iDel').val()}, |
28 | 38 | idur:{'Model.neuroml.L23_cADpyr.transient_pulse_current.duration':$('#iDur').val()} |
29 | 39 | } |
30 | 40 | );"><i class="fa fa-exclamation-circle" aria-hidden="true" style="color:#dd0000"></i> Try it!</button><br/> |
31 | 41 | </div> |
32 | 42 |
|
33 | | - <p>Some configurations to try:</p> |
34 | | - |
35 | | - <p><strong> > Remove the high transient Na<sup>+</sup> conductance on the axon</strong> <br/> |
36 | | - Setting this value to 0 should lead to reduced firing frequency. However there is still a persistent Na<sup>+</sup> and so a gradual depolarisation leading to spiking...</p> |
37 | | - |
38 | | - <p><strong> > Remove the persistent Na<sup>+</sup> conductance on the axon</strong> <br/> |
39 | | - This removes all spiking in the cell.</p> |
40 | 43 |
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41 | 44 |
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42 | 45 | </div> |
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