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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Psychopharmacology (Berl). 2016 Jun 22;233(15-16):3061–3074. doi: 10.1007/s00213-016-4354-2

Table 2.

Mean (±S.E.M.) head entries/min for each experiment.

Experiment 1
N+A Substitution 0.1N+0.1A 0.2N+0.3A 0.4N+1.0A 0.8N+1.7A

FP 3.13±0.73 5.13±0.72 6.00±0.90* 4.63±0.68
FN 4.70±0.70 4.90±0.76 4.25±0.90 4.75±1.00
Nicotine Substitution 0.1N 0.2N 0.4N 0.8N

FP 4.10±0.66 5.22±0.64 7.27±0.72* 3.95±0.52
FN 4.40±0.45 4.10±1.26 4.05±0.57 3.60±0.66
Alcohol Substitution 0.1A 0.3A 1.0A 1.7A

FP 2.95±0.47 3.10±0.54 3.45±0.53 2.90±0.43
FN 4.05±0.36 2.90±0.62 3.65±0.55 3.60±0.55
Experiment 2
Var Alone Saline 1.0 Var 3.0 Var

FP 3.12±0.48 5.12±0.78 3.87±0.76
FN 3.62±0.33 3.68±0.70 3.87±0.86
Experiment 3
Var + N+A Substitution Saline Var (1.0)
0.1N+0.1A 0.2N+0.3A 0.4N+1.0A 0.8N+1.7A 0.1N+0.1A 0.2N+0.3A 0.4N+1.0A 0.8N+1.7A


FP 2.33±0.72 4.05±0.85 5.22±0.82 2.44±0.46 3.66±0.70 4.50±0.70 4.72±0.45 2.77±0.52
FN 3.41±0.56 4.25±0.80 4.66±1.05 2.58±0.66 3.50±0.46 3.41±1.10 3.66±0.84 3.66±0.73
Var + Nicotine Substitution Saline Var (1.0)
0.1N 0.2N 0.4N 0.8N 0.1N 0.2N 0.4N 0.8N


FP 2.81±0.64 7.31±2.39 8.12±1.32 4.56±0.40 4.68±0.90 5.68±1.15 4.81±0.58 3.75±0.63
FN 4.35±0.68 4.78±0.82 6.21±0.91 3.64±0.45 3.57±0.50 4.57±0.76 4.57±0.38 5.14±0.97
Var + Alcohol Substitution Saline Var (1.0)
0.1A 0.3A 1.0A 1.7A 0.1A 0.3A 1.0A 1.7A


FP 2.21±0.30 3.57±0.42 4.14±0.53 2.78±0.65 5.07±1.50 4.57±1.02 4.42±0.55 3.42±0.36
FN 4.43±0.50 4.87±0.47 4.68±0.66 3.56±0.43 4.93±0.73 6.31±1.07 5.12±0.88 5.12±0.57
*

denotes significant difference (p < 0.05) from lowest dose or saline.