Definition of "mindframe"

They, or at least many of them, for there are dissident voices here which speak another message, are also trapped in a nineteenth century mindframe which assumes the centralised nation state structures can somehow be controlled[.]

1995, John Papworth, Small is Powerful: The Future as If People Really Mattered, page 105

A young Australian Jew engaged on the trip of a lifetime finally arrives in the homeland of his people. His mindframe reflects a half finished puzzle but his external facade exudes excitement and jubilation.

1996 March 1, The Australian Jewish News, Melbourne, page 33, column 1

Again, voice change is not easy and vulnerability plays a big part, but if choral teachers and adolescent singers approach it with the right mindframe, the experience can be empowering, enlightening, and restorative for all involved.

2019, Bridget Sweet, Thinking Outside the Voice Box, page 71