Strong STD disturbs cell assembly retention.

<p>(<b>A</b>) Time evolution of average synaptic weights within the selected cell assembly (blue), from background excitatory neurons to the assembly (green), from the assembly to background neurons (cyan), and between background excitatory neurons (black). The left and right panel show results for <i>u_sd</i> = 0.1 and <i>u_sd</i> = 0.5, respectively. (<b>B</b>) Weight matrices of excitatory synaptic connections calculated at <i>t</i> = 30 min are shown for <i>u_sd</i> = 0.1(left) and <i>u_sd</i> = 0.5(right). (<b>C</b>) Raster plots are displayed for the weight matrices shown in <b>B</b>. (<b>D</b>) Dynamics of individual synaptic weights is shown on one excitatory neuron in the assembly. Blue lines correspond to weights from neurons belonging to the assembly, whereas gray lines to those from background excitatory neurons. (<b>E</b>) Distributions of input synaptic weights were calculated from simulation data at <i>t</i> = 26.7–30 min for the neuron shown in <b>D</b>.