Table 2.
Concentrations of DOPAC, Dopamine and the DOPAC/DA ratio in the nucleus accumbens and striatum following song presentation and estrogen treatment. No main effects or interactions were detected, all F< 1.92, p> 0.16.
| Brain Region |
Treatment | Song | DOPAC concentration (ng/mg)±SE |
Dopamine concentration (ng/mg)±SE |
DOPAC/DA ratio±SE |
|---|---|---|---|---|---|
| Nucleus Accumbens |
Estrogen | Tutored n= 7 |
11.95±1.85 | 20.63±3.15 | 0.6±0.10 |
| Untutored n= 7 |
12.26±2.37 | 25.83±6.25 | 0.51±0.06 | ||
| Silence n= 5 |
14.61±3.88 | 21.64±4.06 | 0.67±0.13 | ||
| Blank | Tutored n= 6 |
12.51±2.38 | 29.85±5.43 | 0.46±0.09 | |
| Untutored n= 8 |
9.70±1.96 | 17.12±1.91 | 0.55±0.80 | ||
| Silence n= 7 |
12.6±2.86 | 23.04±5.93 | 0.74±0.16 | ||
| Striatum * | Estrogen | Tutored | 22.88±4.51 | 85.07±12.37 | 0.29±0.06 |
| Untutored | 30.24±5.70 | 137.89±20.94 | 0.22±0.02 | ||
| Silence | 37.40±4.85 | 113.43±10.63 | 0.22±0.02 | ||
| Blank | Tutored | 29.49±4.92 | 125.58±18.83 | 0.26±0.05 | |
| Untutored | 32.98±5.34 | 110.15±8.88 | 0.29±0.04 | ||
| Silence | 38.81±9.52 | 131.95±16.58 | 0.24±0.05 | ||
*
Sample sizes same as in Nucleus Accumbens