Tensor Analysis Reveals Distinct Population Structure that Parallels the Different Computational Roles of Areas M1 and V1
Fig 4
Preferred-mode analysis across neural populations.
Each panel corresponds to a dataset type, and plots normalized reconstruction error as a function of timespan (as in Fig 3C and 3E). Excepting panel a, two datasets corresponding to two animals were analyzed, yielding two plots per panel. Insets at top indicate the dataset type and show the response of an example neuron. (a) Analysis for the V1 population from Fig 1A, recorded from a monkey viewing movies of natural scenes. Data are the same as in Fig 3C and are reproduced here for comparison with other datasets. (b) Analysis of two V1 populations recorded from two cats using grating sequences. (c) Analysis of two M1 populations (monkeys J and N) recorded using implanted electrode arrays. The top panel corresponds to the dataset illustrated in Fig 1B and reproduces the analysis from Fig 3E. (d) Analysis of two additional M1 populations from the same two monkeys but for a different set of reaches, with neural populations recorded sequentially using single electrodes.