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Spike-timing dependent plasticity in balanced random networks

Spike-timing dependent plasticity in balanced random networks

Spike-timing dependent plasticity in balanced random networks

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Synchronous stimulation<br />

A<br />

neuron id<br />

B<br />

neuron id<br />

C<br />

neuron id<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

3 3.2 3.4 3.6 3.8 4<br />

time [s]<br />

◮ current <strong>in</strong>jected <strong>in</strong>to 500<br />

neurons irregularly at 3 Hz<br />

◮ <strong>in</strong>jection times for each<br />

neuron drawn from<br />

Gaussian<br />

(σ = 0.5 ms)<br />

◮ moderate effect on<br />

high-connectivity group<br />

(K synch ≥ 69)<br />

◮ weak effect on rest of<br />

network<br />

freiburg

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