Study of central effects for calcium antagonists of the 2-H-1-benzopiran line in condition of experimental neurotic state

Calcium antagonists of the 2-H-1-benzopiran line (substances AVD-6 and AVD-7) were shown to reveal anxiolytic action in experimental neurotic states. Substance AVD-33 had nootropic action in condition of chronical neurotisation in a one trial passive avoidance test.