Article: Hebbian Plasticity Realigns Grid Cell Activity with External Sensory Cues in Continuous Attractor Models.
Full Text (publisher's website) ;
Article Metadata ;
Article Data (extracted)
Mulas M; Waniek N; Conradt J
Front Comput Neurosci, 2016
List of model parameters tuned with a brute-force search approach.
Parameter name |
Value |
Description |
Recurrent connectivity radius |
8 |
Radius of the inhibitory recurrent connectivity for each grid cell in the CAN |
Recurrent connectivity shift |
2 |
Shift in each of the four spatial directions of the recurrent connectivity of the CAN |
Recurrent synaptic weight |
-0.2 |
Synaptic weight of all recurrent connections between grid cells |
Grid network baseline current (Ib) |
2.0 mA |
Excitatory current injected at every iteration in each grid cell |
Velocity-dependent current gain (γ) |
0.02 |
Gain that controls the amount of velocity-dependent currents injected in each grid cell |
Plasticity time constant (τ) |
10000 s |
Time constant that controls the weight change rate of a sensory synapse |
Coactivation threshold (αth) |
0.05 |
Minimum level of coactivation necessary to induce a plastic change in a sensory synapse |
Sensory current gain (k) |
0.05 |
Gain that controls the amount of sensory currents injected in each grid cell |
Maximum sensory synaptic weight |
0.5 |
Maximum allowable weight for a sensory synapse |
Inferred neuron-electrophysiology data values
Neuron Type |
Neuron Description |
Ephys Prop |
Extracted Value |
Standardized Value |
Content Source |