Motion detection and prediction through spike-timing dependent plasticity.

摘要: We describe a possible mechanism for the formation of direction- and velocity-selective cells in visual cortex through spike-timing dependent learning. contrast case where only feedforward excitation inhibition signals are provided to neurons with both feedback provided. In feedforward-only case, become selective broad range velocities centered around training velocity. However, we show that direction selectivity this is strongly on delayed experimental results, becomes dramatically weaker when reduced. When connections introduced, much more robust due predictive delays encoded recurrent activity. Direction persists face decreasing manner similar findings. The model predicts direction-selective should exhibit anticipatory activity suggests pivotal role plasticity shaping cortical circuits motion detection prediction.