The locus coeruleus releases norepinephrine, which functions as both a neurotransmitter and hormone in the brain and body, and it regulates processes such as perception, attention, learning and memory.

蓝斑释放去甲肾上腺素，它在大脑和身体中既是神经递质又是激素，它调节感知、注意力、学习和记忆等过程。