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Supporting Information Mulliken et al. 10.1073/pnas.0802602105

Summary: Supporting Information
Mulliken et al. 10.1073/pnas.0802602105
SI Text
Peak Mutual Information as a Function of Optimal Lag Time. Fig. S1
A and B plots the peak mutual information that each cell
encoded for movement angle at its OLT, for both the center-out
and obstacle tasks. First, notice that the center-of-mass values,
6 ms and 15 ms, for the center-out and obstacle distributions,
respectively, were consistent with the median OLTs reported in
Fig. 3B. This was, of course, due largely to the higher proportion
of cells' having OLTs near 0 ms as illustrated in Fig. 3B but also
to the larger amount of information encoded by neurons with
OLTs close to zero lag, as mentioned in the main text. Specif-
ically, during the center-out task, clearly forward-estimating
neurons' (0 ms OLT 60 ms) mutual information was 0.043
0.04 compared with 0.036 0.03 for movement-angle neurons
with other OLTs (OLT 30 ms, or, OLT 90 ms). Similarly,
for the obstacle task, the average peak information of clearly
forward-estimating neurons was 0.043 0.03, whereas it was
0.034 0.03 for movement-angle neurons with other OLTs.


Source: Andersen, Richard - Division of Biology, California Institute of Technology


Collections: Biology and Medicine