Table 1.

Electrophysiological properties of ACC and lOFC deep-layer pyramidal neurons from water-drinking and ethanol-drinking mice

Drinking lengthConditionRMP(mV)AP threshold(mV)AP amplitude(mV)AP width(ms)AP rise(ms)AHP amplitude(mV)
ACC
 1 dWater–69.73 ± 2.18–42.19 ± 0.9062.25 ± 3.12.38 ± 0.140.40 ± 0.0113.15 ± 0.77
EtOH–66.39 ± 1.82–42.06 ± 0.9470.41 ± 4.52.23 ± 0.100.43 ± 0.0214.25 ± 0.81
 1 weekWater–69.99 ± 2.03–41.15 ± 1.1663.02 ± 1.82.20 ± 0.100.39 ± 0.0215.14 ± 0.77
EtOH–66.46 ± 1.96–39.50 ± 1.3963.29 ± 2.11.97 ± 0.060.38 ± 0.0113.79 ± 1.08
 4 weeksWater–70.89 ± 1.81–44.74 ± 1.4360.80 ± 2.41.71 ± 0.160.35 ± 0.0113.62 ± 1.03
EtOH–69.04 ± 2.36–44.19 ± 1.1557.80 ± 2.71.94 ± 0.130.38 ± 0.0213.07 ± 0.87
 7 weeksWater–68.70 ± 1.31–45.68 ± 1.8660.12 ± 2.92.07 ± 0.090.39 ± 0.0212.29 ± 1.18
EtOH–70.88 ± 2.10–44.74 ± 1.1459.01 ± 1.92.33 ± 0.170.42 ± 0.0313.12 ± 1.04
lOFC
 1 dWater–68.98 ± 0.8–38.32 ± 1.4163.48 ± 2.071.82 ± 0.070.37 ± 0.0116.14 ± 0.63
EtOH–69.47 ± 0.57–41.89 ± 1.1963.89 ± 1.941.81 ± 0.080.38 ± 0.0115.19 ± 0.42
 1 weekWater–69.71 ± 0.67–37.76 ± 1.3264.40 ± 2.111.76 ± 0.040.36 ± 0.0115.92 ± 0.56
EtOH–68.44 ± 0.64–37.99 ± 1.4961.49 ± 1.961.92 ± 0.070.38 ± 0.0115.73 ± 0.67
 4 weeksWater–69.97 ± 0.68–37.50 ± 1.6163.25 ± 2.151.98 ± 0.100.39 ± 0.0116.04 ± 0.59
EtOH–67.87 ± 0.41*–43.80 ± 1.38*65.25 ± 2.131.73 ± 0.080.37 ± 0.0113.99 ± 0.69*
 7 weeksWater–70.07 ± 0.54–40.29 ± 1.2060.43 ± 2.071.71 ± 0.060.37 ± 0.0115.17 ± 0.43
EtOH–69.10 ± 0.47–41.18 ± 1.4765.16 ± 2.291.81 ± 0.050.37 ± 0.0115.01 ± 0.67
  • Values are mean ± SEM. Two-tailed unpaired t test was used to compare differences in electrophysiological properties between water control and ethanol drinking mice. Asterisk in bold font = p < 0.05 vs water drinking controls.