phenoxybenzamine increased rather than blocked the lc inhibitory effect and also increased tcp amplitude . dl-erythro-dops slightly increased the lc inhibitory effect , and substantially increased tcp amplitude . dl-threo-dops produced somnolence in unanesthetized animals , led to increased norepinephrine levels in cortex and brain stem , and caused cortical potentials to fluctuate widely .
C0023951
lc
C0006121
brain stem