However, "dehumanized" was not a very good choice of term for the exact attitudes I had in mind, which I think indeed have little historical precedent and, and which don't really correspond to the traditional patterns of exercising crude power by higher-status groups and individuals, being a rather peculiar aspect of the present situation.
Dear Vladimir, must as I hesitate to offer you any assistance in your presumably shady-looking intellectual enterprise (as frankly I've grown to dislike you quite a bit, period).... the term you might've been looking for is "http://en.wikipedia.org/wiki/Biopower". Foucault, Arendt and Agamben have all pondered its significance in the 20th century.
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: