Table 1.

Summary of gene expression changes as determined by in situ hybridization (percent change in D9ΔTrkB relative to fB/fB)

Gene ID	Dorsal striatum	Ventral striatum
(mRNA)	(caudate-putamen)	(nucleus accumbens)
Ntrk2	(−) 51%, P < 0.01	(−) 40%, P < 0.05
Penk	(−) 38%, P < 0.001	(−) 18%, P < 0.05
Ppp1r1b (lateral)	(−) 15%, P < 0.01	No change
Tacr1 (lateral)	(−) 20%, P < 0.05	No change
Pdyn	(+) 30%,P < 0.05	No change