Table 4.

Correlation of biophysical and synaptic properties with long-term sensitization training

CorrelateCorrelation coefficient (r)
Synaptic strength of SN–MN synapse0.59F(1,13)  = 7.02*
Afterdepolarization (50 msec) of SN spike0.32F(1,15)  = 1.69
Resting membrane potential of MN0.25F(1,16)  = 1.04
Threshold membrane potential of MN0.19F(1,12)  = 0.44
Afterdepolarization (1 sec) of SN burst0.02F(1,17)  = 0.007
Excitability (1 sec) of SN0.009F(1,16)  = 0.001
  • Individual measurements in ganglia from the sensitized side of the animal were correlated with the amplitude of the behavioral change (post/pre) on the same side, using standard linear regression.

  • *The slope of the regression line was significantly different from 0 (p < 0.02).