References in periodicals archive ?
But while many beliefs are reasonable and anchored in reality, irrational beliefs are odd and ambiguous, ranging from superstitions and overvalued ideas to conspiracy theories and cults, which I wrote about a decade ago.
As has been discussed in a recent article, mass shooters often hold "extreme overvalued ideas," that is, nondelusional, strongly held beliefs, a concept that does not fit neatly into DSM-5 diagnostic categories.