CHRM1 and schizophrenia: This study aimed to characterize the triple‐hit Wisket rat model of schizophrenia by the assessment of (1) the behavioral parameters in acute test (Ambitus) and under prolonged observation (4 weeks; HomeManner system; large cage), (2) the cerebral muscarinic M1 receptor (M1R) expression, and (3) the effects of olanzapine treatment on these parameters.