Tønnessen, Morten 2014. The ontogeny of the embryonic, foetal and infant human umwelt. Sign Systems Studies 43 (2/3): 281-307.
is cited in:
Rognini, Paolo 2018. Vestigial Drifting Drives in Homo sapiens. Biological Theory. Published online April 6th 2018. DOI: https://doi.org/10.1007/s13752-018-0297-7
Excerpt (p. 5, in the section "The Ecological Crisis: Two Examples of Dysfunctional Behavior"):
"Homo sapiens [... has developed] a strong, innate sense of acquisitiveness; a ravenous voraciousness. This could occur because: [...] (b) being born immature ([...] Tønnessen 2014) it bears a negative potential (an intrauterine parasitic stage), compensated for by [...] a hunger for "objects" from both the real and the ideal world [...]"