The phrase "intellectual stagnation" is correct and can be used in written English.
It refers to a state in which a person or a group of people do not experience mental growth or development, often due to lack of exposure to new ideas or challenges. Example: The country's education system has been stagnant for decades, resulting in a widespread intellectual stagnation among its citizens.
First, intellectual stagnation.
Otherwise this was a period of intellectual stagnation.
One reason for this shift is the intellectual stagnation of the regime.
At the threshold of the modern era, China had sunk into political weakness and intellectual stagnation.
The sense of intellectual stagnation and over-all corruption, of dictatorship's late-mannerist phase, was no less evident at the ballet than it was in the Kremlin.
Perhaps the sacrifice is worth it, and a little intellectual stagnation is a reasonable price to pay for fewer cults and Communists.
But in the intellectual realm, the stagnation he identifies seems readily apparent, since whole swaths of political, ideological and religious terrain that fascinated earlier generations have been mostly written off in ours.
In a September 2006 essay in Poetry, Mr. Barr bemoaned the "intellectual and spiritual stagnation" of contemporary poetry, took university writing programs to task for fostering "a climate of careerism" and called for poets to "live broadly, then write boldly".
It will also help MIT specifically, and the profession more generally, to avoid intellectual in-breeding and stagnation.
After Great Britain lost the American colonies, a second generation of Scottish intellectuals saved Britain from stagnation and reinforced a self-confidence that allowed the country to manage a world empire during the Victorian era.
Then came the 1970s, with the lethal combination of economic stagnation and inflation that blew the policymakers' intellectual fuses; Keynesianism never recovered.
