Neurophysiological evidence of motor preparation in inner speech and the effect of content predictability.

"data availability data for this study can be found at https://osf"

"Conflict of interest statement : A.W.F.H. has received consultancy fees from Janssen Australia, Lundbeck Australia and Seqirus. He has received payments for educational sessions run for Lundbeck Australia and Servier. He has developed educational material for Servier. He is the recipient of an investigator initiated grant from the Balnaves Foundation and Takeda Pharmaceutical Company. He is an investigator on an industry sponsored trial by Alto Neuroscience. He is the recipient of funding from the Australian Research Council, the Medical Research Futures Fund, and the National Health and Medical Research Council. He has received philanthropic funding from The Balnaves Foundation. He is the chair of One Door Mental Health. The other authors have no competing interests to declare."

"Funding This work was supported by an Australian Government Research Training Program (RTP) scholarship to L.K.H.C., the Australian Research Council (grant numbers DP140104394, DP170103094, DE150100667, DE220100739), the National Health and Medical Research Council (grant numbers APP1069487, APP1090507), and the U.S. Department of Veterans Affairs (grant number I01CX001443)."