Pc1 feature detecting networks for object recognition Simple bottom up network Augmented bottom up network with inhibition Adding top down activation Pc2 A Simple Network And gate Input from feature detectors activate letter recognizers in brain parts of stimuli activate feature detectors in brain stimuli in world K R P Pc3 Letter recognizers in brain parts of stimuli activate feature detectors in brain stimuli in world An Augmented Network With inhibition K R P Pc4 Bottom up vs Top down mechanisms in perception Top down mechanisms take into account context memory T E C T Pc5 A Network with Top Down Activation Word recognizers in brain Letter recognizers in brain parts of stimuli activate feature detectors in brain stimuli in world K R P
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