NRG1 and schizophrenia: The increased ongoing, and reduced auditory-evoked gamma frequency ECoG activity in the Nrg1 TM HET mouse add to the existing evidence of schizophrenia-relevant molecular, behavioural and cognitive alterations in this mouse, and may represent a neural mechanism by which altered Nrg1 signalling may contribute to the pathogenesis of schizophrenia.