On Not Being Human.

Abstract

Around the time I took office as president of the Association for Psychological Science, Wray Herbert, Public Affairs Director of APS, began e-publishing his now syndicated blog, “We’re Only Human.” Although I won’t pretend to be privy to the inner workings of Wray’s mind, I’m guessing that Wray chose his blog’s moniker to allow wide berth for our diverse curiosities, eccentricities, and proclivities. We might do this, we might even do that, because, well, after all, we are human. But are we? Do we all agree that all humans are indeed, human? The anonymous tract, Disputatio Nova Contra Mulieres, Qua Probatur Eas Homines Non Esse (A New Argument Against Women, in Which it Is Demonstrated That They Are not Human Beings), first published in 1595, was reprinted prolifically during the 17th and 18th centuries. In the 1860s, British anthropologists espoused that Blacks were an inferior species, more comparable to apes than to Caucasians, and therefore well suited for slavery. At the Nuremberg Trial, one SS general explained his allegiance to genocide by the simple contention that “Jews are not even human.” Sixteenth-century theologians, Victorian anthropologists, and 20th-century Nazis are not the only ones who have deemed various groups of humans ape-like or nonhuman; some current-day American psychological scientists are just as guilty of this crime. A few years ago, I was at a conference on language and evolution when an audience member questioned a prominent child language researcher’s thesis by raising a counter-example: One aspect of the development of children with Williams syndrome didn’t quite fit the researcher’s theory. The prominent child language researcher quickly retorted, “Oh, I’ve seen children with Williams syndrome. They don’t count. They’re not even human. They must belong to some other species entirely.” With the wave of a hand, an entire group of people was erased from the human race. Without a contesting word, members of the human species were sacrificed — but a theory was saved. And what was the distinctly nonhuman behavior demonstrated by some children with William syndrome? It was their ability to develop a prodigious vocabulary, prior to developing the ability to extend an index finger to point. Admittedly, this psychological scientist’s dehumanizing pronouncement occurred during a relatively free-flowing discussion at a relatively small, invitation-only conference. The outrageous comment wasn’t even illuminated on a PowerPoint slide. But similar pronouncements have been typeset on the pages of other psychological scientists’ best-selling books and bound into our field’s most prestigious scholarly journals. For example, in a recent New York Times “notable book of the year,” an internationally acclaimed psychological scientist segregated autistic1 people from other humans and placed them “together with robots and chimpanzees.” The distinguishing feature, according to this psychological scientist, is humans’ “innate equipment to discern other people’s beliefs and intentions,” which he proposed that robots, chimpanzees, and autistic people inherently lack. However, laboratory tasks that probe people’s understanding of the intentionality of other humans’ intentions fail to distinguish autistic from nonautistic people (Aldridge, Stone, Sweeney, & Bower, 2000; Carpenter, Pennington, & Rogers, 2001; Russell & Hill, 2001; Sebanz, Knoblich, Stumpf, & Prinz, 2005) and failure on laboratory tasks that probe people’s understanding of other humans’ beliefs is neither universal among autistic people (Happe, 1995; Kleinman, Marciano, & Ault, 2001; Ozonoff, Rogers, & Pennington, 1991; Peterson, 2002) nor unique to autistic people (Benson, Abbeduto, Short, Bibler-Nuccio, & Mass, 1993; Miller, 2001; Peterson & Siegal, 1995; Rowe, Bullock, Polkey, & Morris, 2001; Saltzman, Strauss, Hunter, & Archibald, 2000; Tager-Flusberg, 2001). Nonetheless, such theorizing was recapitulated in the popular press as the claim “it’s as if they [autistic people] do not understand or are missing a core aspect of what it is to be human” (Falcon & Shoop, 2002). If that they referred to members of any other minority group, we’d call the statement hate speech. Consider the theorizing of another internationally acclaimed psychological scientist, presented in a widely circulated scholarly journal. After proposing the thesis that “cultural learning” is “a uniquely human form of social learning that allows for a fidelity of transition of behaviors and information among conspecifics,” the authors argued that, like chimpanzees, “autistic children show little or no evidence of cultural learning.” However, the authors ran into a similar deficit of empirical proof, best captured by their admission: “It can be stated with confidence that the vast majority of autistic children do not engage in [a specific type of cultural] learning. Although we are aware of no studies that specifically test for [this type of cultural] learning per se…” In this case, the authors salvaged their thesis by observing that “one robust and recurrent finding is that throughout their development autistic children show significant deficits in their ability to interact with and relate to peers.” The authors are right; difficulty developing “peer relationships appropriate to developmental level” is a bona fide DSM-IV diagnostic criterion for autism. But by this logic, any DSM-IV diagnostic criterion for any DSM-IV diagnosis could be used as a basis for segregating humans who fit the diagnosis from humans who don’t. And if the diagnostic criterion (e.g., reading disorder, written expression disorder, or erectile disorder) is also met by any nonhuman species, it can become the basis for dehumanization. In a more recent scholarly article, also written with the aim of delineating “the crucial difference between human cognition and that of other species,” autistic people were again segregated from other humans and placed with great apes. After acknowledging that the empirical literature demonstrates that “great apes and children with autism are clearly not blind to all aspects of intentional action,” the authors raised the bar (“understanding the intentional actions and perceptions of others is not by itself sufficient to produce humanlike social and cultural activities”), and continued to pound home their belief that autistic children do not “engage socially and culturally with others in the ways that human children do;” they do not “interact with other persons in the species-typical manner.” Their social behavior is just not human. Why are humans dehumanized? According to Morton Deutsch, this year’s APS James McKeen Cattell award recipient, humans are dehumanized when they are perceived as a threat. What threat do humans with Williams syndrome and autistic humans pose to psychological scientists? A threat to the universality of the scientists’ theories, a threat to their ability to accept human diversity? Last fall, a Duquesne University sophomore violated his Catholic university’s code of conduct by posting on Facebook his opinion that homosexual behavior was “subhuman.” Shouldn’t psychological scientists be held to an equally high code of conduct? In addition to being required to remove his offensive comment from the Web, the Duquesne sophomore had to write a 10-page essay on respect for human dignity. I wish some psychological scientists would at least read, if not write, a similar essay.

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