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Supplementary Marterial: Demixed shared component analysis of neural population data from multiple brain areas

Neural Information Processing Systems

We generated sequences of neuronal populations in areas X (e.g. For each combination, we generated 20 trials, resulting in 300 trials in total. Neurons in areas X and Y were affected by the stimulus and decision, and communicated with each other as follows. Neurons in area X passed the stimulus-related information to the neurons in area Y via a random projection matrix after two time steps from the time when neurons in area X started to process stimulus-related computation. After area Y received the stimulus-related input from area X, neurons in area Y started to compute the decision.