Regional and Cortical Laminar Distributions of Serotonin S2, Benzodiazepine, Muscarinic, and Dopamine D2 Receptors in Human Brain

Abstract
Serotonin S2, benzodiazepine, and muscarinic receptors showed different regional distributions in the human brain but were present in all cortical areas. The laminar distributions of [3H]ketanserin, [3H]diazepam, and [3H]quinuclidinylbenzilate were investigated in the temporal cortex and revealed a high density in the 3rd and 4th layers. Dopamine D2 receptors were not detected in the cortex.