The present invention provides compounds which show high effectiveness against positive symptoms, negative symptoms and cognitive dysfunction in schizophrenia and reduce conventional side-effect risks as well as have remarkable effects for central neurological diseases associated with cognitive dysfunction other than schizophrenia. N-Acyl cyclic amine derivatives of formula (1): wherein Ar1 and Ar2 are aryl or heteroaryl V is nitrogen, or CR3 W1 is a single bond, -C(O)-, etc. W2 is C1-alkylene W3 is a single bond, methylene, -NH-, -CR4=CR5-, etc. Ring Q is a group of formula (a) in which n is 0 or 1 m is 0 to 2 k is 1 to 3 Z is a single bond, methylene, oxygen, etc. R1a, R1b and R1c are each, same or different, hydrogen, hydroxyl, halogen, cyano, C1-6 alkyl, etc. or pharmaceutically acceptable salts thereof are provided.
