effenberger_DA8_2017_script.m

effenberger_DA8_2017_script.m - Audrey Effenberger MCB 105...

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Audrey Effenberger % MCB 105: Systems Neuroscience % DA 8: Reichardt detectors % % Very simply, we will model visual perception of motion by taking inputs % from two visual neurons. One input is forced through a delay line. Both % the output from the primary neuron and the output from the delay line % are received by the same comparator neuron. % % The comparator measures whether the primary neuron's current input is the % same as an adjacent neuron's previous input. Essentially, it allows the % circuit to detect if the object detected by the neuron corresponding to % location A is the same object that was detected by the neuron % corresponding to location B. One can imagine that the detector can be % expanded to ``remember" the states of locations even farther in the past, % but this would be pretty inefficient in terms of needing many more wires. % % Essentially, movement is defined here as detection of something in a % different location being repeated exactly in the adjacent location one % timestep later. One drawback is that because the dinosaur's limbs move in
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