Table 2.
Basal noradrenaline and acetylcholine efflux in the prefrontal cortex of response contingent and response noncontingent subjects, measured over 2 consecutive days on the five-choice task
| Contingent subjects | Noncontingent subjects | Group | Day | Time | |||
|---|---|---|---|---|---|---|---|
| Day 1 | Day 2 | Day 1 | Day 2 | ||||
| NA | 5.21 ± 0.57 | 5.49 ± 0.53 | 5.10 ± 0.53 | 5.04 ± 0.52 | F(1,18) = 0.22;p = 0.65 | F(1,18) = 0.05;p = 0.82 | F(2,36) = 0.64;p = 0.53 |
| ACh | 244.9 ± 26.8 | 219.7 ± 29.2 | 256.9 ± 43.3 | 210.1 ± 26.7 | F(1,18) = 0.01;p = 0.95 | F(1,18) = 1.64;p = 0.22 | F(2,36) = 0.28;p = 0.76 |
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The data were averaged from the last three samples collected before task onset (expressed as fmol/10 min ± SEM;n = 10). ANOVA results for between (group)- and within (day, time)-subject effects are shown for each neurotransmitter.
