Table 1.

Nose-poke response rates. Data are presented as average nose-poke responses per second ± SEM both during baseline and during tone presentations, split by PCA phenotype and incubation time.

	3-day incubation responses / sec at baseline	33-day incubation responses / sec at baseline	3-day incubation responses / sec during tone	33-day incubation responses / sec during tone
GT	1.08 ± 0.15	1.34 ± 0.14	0.40 ± 0.12	0.39 ± 0.09
IR	1.20 ± 0.19	1.34 ± 0.25	0.64 ± 0.08	0.32 ± 0.08
ST	1.13 ± 0.13	1.54 ± 0.26	0.62 ± 0.10	0.32 ± 0.07