Artificial Neural Models McCulloch Pitts-type Neurons (static) -Digital neurons:activation state interpretation (snapshot of the system each time a unit fires) Analog neurons:firing rate interpretation (activation of units equal to firing rate) Activation of neurons encodes information Spiking Neurons (dynamic) Firing pattern interpretation(spike trains of units) - Timing of spike trains encodes information (time to first spike,phase of signal,correlation and synchronicity 09/07/2023 Artificial Neural Networks-I 1009/07/2023 Artificial Neural Networks - I 10 Artificial Neural Models • McCulloch Pitts-type Neurons (static) – Digital neurons: activation state interpretation (snapshot of the system each time a unit fires) – Analog neurons: firing rate interpretation (activation of units equal to firing rate) – Activation of neurons encodes information • Spiking Neurons (dynamic) – Firing pattern interpretation (spike trains of units) – Timing of spike trains encodes information (time to first spike, phase of signal, correlation and synchronicity