The present invention relates to the use of compounds of formula (I) R1 is hydrogen, tritium, hydroxy, lower alkyl, lower alkoxy, halogen, nitro, amino or lower alkyl substituted by halogen; R2 is hydrogen, hydroxy or lower alkyl; X is N and Y is CH or CH2 or CH-lower alkyl or X is CH and Y is N; Q is CH2, O, NH, N-alkyl or N-SO2-alkyl or N-SO2-toluen-4-yl; W is CH2 or a bond are independently from one another 1, 2 or 3; when m is 2 or 3, R2 may m, n be the same or not; when n is 2 or 3, R1 may be the same or not; the dotted lines may each be independently from one another a bond or not; and to their pharmaceutically active salts, racemic mixtures, enantiomers, optical isomers and tautomeric forms of compounds of formula (I) for the preparation of medicaments for the treatment of depression, anxiety disorders, bipolar disorder, attention deficit hyperactivity disorder, stress-related disorders, psychotic disorders such as schizophrenia, neurological diseases such as Parkinson's disease, neurodegenerative disorders such as Alzheimer's disease, epilepsy, migraine, hypertension, substance abuse and metabolic disorders such as eating disorders, diabetes, diabetic complications, obesity, dyslipidemia, disorders of energy consumption and assimilation, disorders and malfunction of body temperature homeostasis, disorders of sleep and circadian rhythm, and cardiovascular disorders.