Thalamic network model of deep brain stimulation in essential tremor (Birdno et al. 2012)

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Accession:143633
"... Thus the decreased effectiveness of temporally irregular DBS trains is due to long pauses in the stimulus trains, not the degree of temporal irregularity alone. We also conducted computer simulations of neuronal responses to the experimental stimulus trains using a biophysical model of the thalamic network. Trains that suppressed tremor in volunteers also suppressed fluctuations in thalamic transmembrane potential at the frequency associated with cerebellar burst-driver inputs. Clinical and computational findings indicate that DBS suppresses tremor by masking burst-driver inputs to the thalamus and that pauses in stimulation prevent such masking. Although stimulation of other anatomic targets may provide tremor suppression, we propose that the most relevant neuronal targets for effective tremor suppression are the afferent cerebellar fibers that terminate in the thalamus."
References:
1 . Birdno MJ, Kuncel AM, Dorval AD, Turner DA, Gross RE, Grill WM (2012) Stimulus features underlying reduced tremor suppression with temporally patterned deep brain stimulation. J Neurophysiol 107:364-83 [PubMed]
2 . Yi G, Grill WM (2018) Frequency-dependent antidromic activation in thalamocortical relay neurons: effects of synaptic inputs. J Neural Eng 15:056001 [PubMed]
Model Information (Click on a link to find other models with that property)
Model Type: Realistic Network; Axon;
Brain Region(s)/Organism:
Cell Type(s): Thalamus geniculate nucleus/lateral principal GLU cell;
Channel(s):
Gap Junctions:
Receptor(s): GabaA; GabaB; AMPA; NMDA; Glutamate; Gaba;
Gene(s):
Transmitter(s): Gaba; Ions;
Simulation Environment: NEURON; MATLAB;
Model Concept(s): Action Potential Initiation; Temporal Pattern Generation; Axonal Action Potentials; Therapeutics; Deep brain stimulation;
Implementer(s):
Search NeuronDB for information about:  Thalamus geniculate nucleus/lateral principal GLU cell; GabaA; GabaB; AMPA; NMDA; Glutamate; Gaba; Gaba; Ions;
 
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Birdno_et_al_2012
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apc_names.dat
Axon_template_15nodes.hoc
Axon_template_30nodes.hoc
create_coords_for_FEM.m
DBSstim.hoc
Drop_ax1.dat
Drop1_ind.mat
Full_3d_Vim_locs_2009Feb.mat
generate_stim_poisson_harmaline.m
Genes_1.mat
Harmaline.dat
noplot.ses
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phi_pop1_filenames.dat
plot.ses
plotnew.ses
plotnewG.ses
Poisson.dat
Pop1XYZPhi_vim_0.2_UMFPACK_afferent.txt
quit.hoc
shannon_entropy.m
Stim_1.dat
Stim_2.dat
Stim_3.dat
Stim_4.dat
Stim_5.dat
Stim_6.dat
Stim_7.dat
TCmodel_short30mb.hoc
XYZ_30nodes.mat
                            
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