Table 4.

Information rates

Cell type (number of cells)Rinf(bits/sec)Spike rate (spikes/sec)Bits/spikeRexp(bits/sec)Rinf/ Rexp
Individual cells–laboratory environment
 MC on-center (5)29  ± 534  ± 60.9  ± 0.351  ± 170.57
 MC off-center (4)29  ± 1436  ± 140.8  ± 0.250  ± 200.59
 +L−M on-center (5)8.3  ± 2.127  ± 200.6  ± 0.613  ± 30.64
 −L+M off-center (2)3.2  ± 2.026  ± 30.1  ± 0.15  ± 10.65
 +M−L on-center (5)9.8  ± 5.224  ± 190.7  ± 0.614  ± 50.70
 −M+L off-center (1) 10190.5 91.11
 +S−ML (4)18  ± 1032  ± 40.6  ± 0.327  ± 100.67
Individual cells–flower show
 MC on-center (3)72  ± 2143  ± 161.8  ± 0.3108  ± 60.67
 MC off-center (1) 45540.8 740.61
 +L−M on-center (3)30  ± 633  ± 80.9  ± 0.146  ± 70.66
 −L+M off-center (2)16  ± 340  ± 150.5  ± 0.323  ± 40.71
 +M−L on-center (1) 30320.9 450.66
 −M+L off-center (2)21  ± 132  ± 40.7  ± 0.125  ± 10.83
 +S−ML (3)28  ± 1023  ± 131.5  ± 1.055  ± 260.51
Generic cells–laboratory environment
 MC on-center (5)21340.621  ± 11.00
 MC off-center (4)19360.516  ± 11.17
 +L−M on-center (5)4.4270.24.5  ± 0.60.98
 −L+M off-center (2)2.7260.1 3.90.70
 +M−L on-center (5)8.4240.47.0  ± 0.51.20
 −M+L off-center (1)
 +S−ML (4)12.9320.410  ± 31.25
Generic cells—flower show
 MC on-center (3)67431.663  ± 41.07
 MC off-center (1)
 +L−M on-center (3)30330.940  ± 10.74
 −L+M off-center (2)16400.420  ± 10.79
 +M−L on-center (1)
 −M+L off-center (2)19320.618  ± 11.10
 +S−ML (3)21230.919  ± 21.13
  • Rinf shows the information rate obtained with Equation 12; bits/spike shows the information per spike, and Rexp is the coherence rate as also given in Tables 1 and 2.