Table 2.

Effects of satiety manipulations on other variables measured during rGT performance

GroupVariableSSSSSS in extinctionFood satietyChronic feeding average
Sham-controlChoice latency (s)2.95 ± 0.19*3.28 ± 0.20*2.86 ± 0.31*3.41 ± 0.32*
Collection latency (s)3.82 ± 1.8352.56 ± 14.78*1.78 ± 0.05*2.09 ± 0.12*
Omissions (%)11.40 ± 3.08*45.55 ± 12.99*4.31 ± 1.64*10.10 ± 2.76*
Premature responses (%)2.43 ± 0.85*2.94 ± 1.23*2.44 ± 0.39*3.09 ± 0.51*
Punishment perseveratives0.078 ± 0.016*0.071 ± 0.016*0.125 ± 0.034*0.123 ± 0.039*
Reward perseveratives0.040 ± 0.012*0.683 ± 0.141*0.011 ± 0.0050.034 ± 0.020
Unilateral lesionChoice latency (s)2.49 ± 0.28*3.12 ± 0.33*2.62 ± 0.30*3.56 ± 0.36*
Collection latency (s)1.83 ± 0.15*54.96 ± 14.29*1.78 ± 0.14*2.23 ± 0.23*
Omissions (%)7.72 ± 4.60*43.85 ± 15.22*2.99 ± 1.3920.11 ± 7.35*
Premature responses (%)6.34 ± 2.23*4.03 ± 1.28*5.73 ± 1.46*2.43 ± 0.59*
Punishment perseveratives0.184 ± 0.084*0.087 ± 0.041*0.191 ± 0.049*0.152 ± 0.050*
Reward perseveratives0.055 ± 0.0500.789 ± 0.158*0.043 ± 0.0270.030 ± 0.017
Ipsilateral lesionChoice latency (s)3.07 ± 0.59*3.72 ± 0.41*2.44 ± 0.37*2.99 ± 0.51*
Collection latency (s)2.11 ± 0.13*22.40 ± 8.70*2.04 ± 0.15*2.25 ± 0.14*
Omissions (%)15.43 ± 6.43*36.58 ± 11.09*3.38 ± 1.29*9.50 ± 4.28*
Premature responses (%)2.01 ± 0.80*2.39 ± 0.83*2.44 ± 0.78*2.16 ± 0.70*
Punishment perseveratives0.579 ± 0.5090.564 ± 0.5200.098 ± 0.030*0.209 ± 0.157
Reward perseveratives0.020 ± 0.0130.761 ± 0.166*0.036 ± 0.0280.020 ± 0.011
Contralateral lesionChoice latency (s)2.35 ± 0.15*2.96 ± 0.25*2.03 ± 0.20*2.79 ± 0.30*
Collection latency (s)1.84 ± 0.18*30.85 ± 6.05*1.89 ± 0.22*1.98 ± 0.13*
Omissions (%)2.19 ± 0.78*32.47 ± 7.88*1.36 ± 0.42#6.22 ± 1.84*
Premature responses (%)3.83 ± 0.85*2.73 ± 1.62*4.64 ± 1.13*2.96 ± 0.64*
Punishment perseveratives0.090 ± 0.021*0.050 ± 0.010*0.101 ± 0.010*0.092 ± 0.021*
Reward perseveratives0.041 ± 0.0250.696 ± 0.117*0.035 ± 0.0130.027 ± 0.012
  • *Significant difference (p ≤ 0.05) from the group's own baseline (see Table 1).

  • #p = 0.05–0.07.