The first is what Ma calls "edge-center oscillation" — the need to connect innovative ideas, which sometimes appear on the margins of a particular discipline, with mainstream thought.
There is a link, but not the one perceived by mainstream thought, medical or otherwise.
For all its consensual rhetoric, the speech signalled a Tory intent to establish regressive conservatism as mainstream thought.
Mainstream thought is that it takes a minimum of nine to 12 months for the initial brain inflammation to settle down after drug and alcohol usage stops.
"But when an African fights back, it's wrong," according to mainstream thought, he said.
Kurtz reflected in 2000: "It is frightening that what was once considered fringe thinking has now entered mainstream thought".
As migrants drown in the Mediterranean, the insidiously bland phrase routinely used by newscasters – "Europe's migrant problem"– shows how mainstream thought can veer towards the far-right.
Many of his theories challenged mainstream thought, including his belief that cannibalism associated with Aztec religious rites was attributable to protein deprivation and that neckties are worn to identify the wearer as someone above physical labour.
Kelman shows us the pervasiveness of these contradictions in legal doctrine; their connection to broader political theory and to visions of human nature; and, finally, the degree to which mainstream thought tends to privilege certain of these commitments over others.
The debate, centering on whether evolution should be taught as the sole theory of human origins, has involved extensive discussion of whether academic science publications filter out material that does not jibe with mainstream thought.
Yet much of what Karl Popper contributed to the philosophy of science has now passed into mainstream thought, into the currency of that nebulous, tricky ontology known as "common sense".
