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Don Churma writes: "This elephant is too big for any one "blind man" to figure out alone!" Probably true, especially for this blind man, but we probably should keep our hands firmly in contact with the beast anyway. For me, this means taking to heart warnings such as Michael Studdert-Kennedy's: "Characteristic motor systems have evolved for locomotion, predation, consumption, mating. Matching perceptual systems have evolved to guide the animan in these activities. The selection pressure shaping each species' perceptuomotor capacities have come, in the first instance, from physical properties of the world. By contrast, these perceptuomotor capacities themselves must have played a crucial role in the form of a social species' communication system. ... Certainly, specialized neuroanatomical signaling devices have often evolved, but they have typically done so by modifying pre-existing structures just enough for them to perform their new function without appreciable loss of their old. ... Language has evolved within the constraints of pre-existing perceptual and motor systems. We surrender much of our power to understand that evolution if we disregard the properties of those systems." And... "If there is indeed a universal set of linguistic features that owes nothing to the nonlinguistic capacities of talkers and listeners, their biological origin must be due to some quantal evolutionary jump, a structure producing mutation. While modern biologists may look for favorably on evolutionary discontinuities that did Darwin, we are not justified in accepting discontinuity until we have ruled continity out. This has not been done. On the contrary, the primacy of linguistic form has been a cardinal, untested assumption of modern phonology -- with the result that phonology is sustained in grand isolation from its surrounding disciplines." Sherman Wilcox Dept. of Linguistics University of New MexicoMail to author|Respond to list|Read more issues|LINGUIST home page|Top of issue
Just a brief remark a propos of Bemji Wald's comment on Chomsky's comment on whether apes can be shown to command 'reflexivization'; in particular the question of whether recognizing your image in a mirror as 'self' would be a sign of that ability. If it's of interest, cats have a very peculiar relationship with mirrors. IN my experience, most cats do not recognize images in mirrors, or TV, etc. as three-dimensional at all, and simply disregard them. But there are smart cats who do recogtnize their own images AS CATS in mirrors: but almost invariably as 'non-self'. The typical reaction of a cat seeing itself in a mirror, if it's a 'recognizer', is to bristle and hiss and go into defense-mode, or sometimes attack-mode. This of course raises what I like to call the Dr Doolittle Problem: since we can't talk to animals we have to anthropomorphise and try to guess by analogy what they might be doing, but have no sense of what it FEELS like to be doing whatever. But in any case reflexivity is a bad example, because in general most animals do not have, in nature, any opportunity to see themselves; animals that do confront mirror- like objects a lot (say surface predators that hunt under water like herons, some cats, raccoons) probably must deliberately as it were disregard the image they see, because they have to concentrate on refraction and what's below the surface. Roger Lass Department of Linguistics University of Cape TownMail to author|Respond to list|Read more issues|LINGUIST home page|Top of issue
The language & species discussion has not recurred this week, but I had already prepared the following, which I think would be of general enough interest to the recurrent misunderstandings about innateness and human language to publish on the list. Since my last posting on the language & species discussion I have received some interesting comments and checked on the reference that I had in mind (since I own a copy). The reference is a volume called "Speaking of Apes: A Critical Anthology of Two-Way Communication with Man". eds. T.A. Sebeok & Jean Umiker-Sebeok. NY: Plenum Press, 1980. In it is Chomsky's article: "human language and other semiotic systems." pp. 429-40. Chomsky's article is pretty much as I remembered it, but with a great many other observations on the nature of human language, characteristic of his concept of human language, which contrast/s with what the animal psychologists of the time had taught apes (and perhaps even thought of teaching them), e.g., potentially infinite embedding of phrases within other phrases. Beyond that, he challenges the notion that human language is (merely/primarily) a system for (social) communication, which serves his notion of the inappropriateness of comparing human language with animal systems of communication for drawing conclusions about the evolution of human language (and may also imply that it is a strictly human device for interpreting external stimuli and "thinking"). Incidentally, my rereading of the article changed my earlier impression that Chomsky lacked "grace" in not explicitly acknowledging the accomplishments and discoveries of animal psychologists, to a perception that such explicitness would be irrelevant and distracting to the points he wanted to make. Of course he couldn't help activating involuntary visceral hostility in some researchers when he accused them of lack of logic in their arguments, but that is another matter. Most interesting was his final position that regardless of what apes may prove capable of learning, he saw evidence for a qualitative distinction between the human and ape natural intellectual endowment in the fact that humans acquire most (syntactic) properties of language without (even the possibility of) explicit teaching, while apes obviously do not, despite the "evolutionary advantages" (C's phrase) that it would bestow on them. I particularly liked the last sentence of the following passage: "Now it is difficult to imagine that children learning English receive specific instruction about these matters, or even that they are provided with relevant experience. In fact, we find that while children make many errors in language learning, they never make such mistakes as these: they never assume, until corrected, that "the candidates wanted me to vote for each other" means that each candidate wanted me to vote for the other. In fact, relevant experience is never presented for most speakers of English, *just as no pedagogic grammar would ever point out these facts.*" p.432 To tell the truth, I don't get the error in the example (maybe because I've never been corrected?), but I get the point. It's the point about anaphoric reference that I mentioned in the last posting (though I think the passage is trying to rely on some point about syntactic embedding of anaphora of the type common at the time among generativists, cf. the parallel reflexive "the candidate wanted me to vote for ?him-/herself [unstressed]"). In any case, one might argue (I would not) that there is an anthropocentric bias inherent in Chomsky's perspective on the "evolutionary advantage" of human language -- I would suppose stemming from what I think is the evolutionary tenet that whatever promotes indefinite increase of the population of a species is an evolutionary advantage, since that is supposed to maximise the chance that at least some of the members of the species will survive to continue the reproduction of the species. I guess an objection might be that in some sense apes "know" something that we don't know that makes them shy away from retaining or developing something like human language, e.g., that the technological advances allowed by human social organization and motivation facilitated by language will eventually lead to our extinction, a notion that would probably have evoked more rhetorical sympathy in the mid 1980s when fear of nuclear holocaust peaked (or more persistently but less clearly the Malthusian notion that uncontrolled human population increase puts dangerous pressure on the ecological support system). I doubt such an objection has any chance of being taken seriously (in the form just given at least) by the scientific spirit. Imagine the unimaginable that some human society (ANY human society) came to this conclusion and rejected human language as ultimately threatening to the species. Even so, I would guess that the innateness hypothesis would predict that humans would still not be able to "help" learning and manifesting language (manifesting --) learning by future generations), and if that would contribute to eventual extinction, too bad. Nothing in evolutionary theory prevents "defective" aberrations from arising. The species with them would simply arise and then disappear (relatively quickly?). However, I'm sure humans are constitutionally incapable of seeing the human language faculty as such an injurious aberration -- I can't. At worst I can only see it as a possible means of salvation from the jeopardy that some of our more sinister instincts may have placed us in. Forgive me for even inventing what I consider an idle and repulsive speculation -- but I think it throws in relief what might be inferred in assessing Chomsky's ultimate argument as I understand it. The simple summation of Chomsky's argument is: if apes are capable of learning "human" language, why don't they (do it naturally -- like people do)? Probably more interesting and arguable to the list discussion is Chomsky's point of distinguishing "human language" and "language". Chomsky sees human language as a subject for scientific inquiry with properties which are quite specific, including the syntactic properties of reference, embedding, etc. that we are all familiar with as current linguists. In contrast, my understanding of the article is that he sees "language" as a non-scientific concept, something vague and not even promising as a potential scientific field of inquiry. In this vein, he concedes that apes and many other animals may -- in fact, he does not doubt -- make use of symbolic systems (semiotic systems) apparently comparable in principle to the lexical component of language in some way, though less extensive, and, if I understand, less discrete (in the linguistic sense of "discrete"). And he supposes that such symbolic systems in other animals may be related to shared intellectual capacities of humans and these other animals, but that with humans they interact with distinctive linguistic capacities (among the latter I suppose the way lexicon fills in more abstract linguistic categories in grammatical derivations). In an illustrative passage (p.437) he objects to the Gardners' characterisation of teaching apes to use Ameslan lexical signs as teaching them Ameslan as a (human) language. By the way, he considers acquisition of the sign for "and" as trivial, with respect to comparison with human language. I don't suppose that that is meant to detract from recognition of the apes' ability to grasp this "logical operation" (by human definition) -- but that such recognition is irrelevant to an appreciation of what is distinctive about human language (well, at least we now know that the "logical" concept "and" is NOT distinctive to humans -- the concept "plural", then, probably isn't either -- more problematic is the concept "dual" as far as I know -- have apes been taught to count? Hey! last time I looked I had THREE identical rubber ducks, now I only have TWO!). In sum, then, Chomsky has a very specific and single-minded notion of HUMAN language which allows him to immediately "see through" claims about animal manifestations of "language", just as it had earlier allowed him to criticise (and condemn) Skinner's notions about the "nature" of human language. I think the usual difficulty in seeing his point is not so much in the persistence of linguistic debate about whether and to what extent "autonomous syntax" is a valid notion (let's not get into that here), but in the intuitive notion among linguists, as well as everybody else, that lexicon is a major "part" of "human language". It is certainly not the part that Chomsky associates with the distinctive innate human faculty of language. Rather, the innate faculty is somewhere in the systems which organise combinations of signs, that "somewhere" being crucial to whether or not there is an evolutionary discontinuity between human language and animal potentials for "language". Of course, another source of resistance to the idea of an innate human language faculty is a generalised sneaking suspicion that anything that proposes to set humans apart from other animals in a fundamental way is self-deluding anthropocentric self- aggrandising propaganda, cf. the discredited (I think) argument against the heliocentric theory of the solar system that humans are the "center" of creation and therefore their location MUST be at the pivot of the material universe. While sneaking suspicions are certainly appropriate issues to bring up for something as informal as the ling.list discussion, it is not clear to me how it fits in to more formal scientific argument. Misguided as a source of resistance would be the idea floated in the Kant/innate discussion that a theory that something is "innate" is a killer to further attempts at "explanation". The killer to explanation is the "just" in "that's JUST the way things are". On the contrary, take out the "just" and there would be nothing to explain if there were no "that's the way things are". If we get confused about this, it's because, as scientists we DON'T know how things are, and our "explanations" are hypotheses to test if things are the way we THINK they are. I forgot what the context of Kant's discussion of "explanation" was, but in the context of "pure" reason it would have to be the "just". In "practical" reason I suppose whatever aids remembering the "facts" is sufficient "explanation". Finally, a message from Massimo Piattelli-Palmarini, director of the dept of cognitive science at the Istituto San Raffaele in Milan, alerted me that among the discussion of comparisons between human and ape cognition relevant to language capacity, "The truly definitive piece is by Mark Seidenberg and Laura Petitto in Cognition, Vol 7, 1979, pp.177-215." Although this article was published before the volume I referred to above, it was too recent for most of the papers published in that volume to fully discuss, so that there are only glancing references to it in some of the papers. I still haven't read it yet, not that I've even read most of the articles in the Sebeok volume. Incidentally, Massimo reminded me that apes were indeed found to be able to recognise their reflections in mirrors, monkeys not (and I think I read that in Roger Fout's popular book about teaching apes to communicate with humans which came out in the late 70s). From what I gather, animal psychologists etc. are not (or no longer) hostile to the idea of a discontinuity between human language and what animals are capable of, but remain (why not?) interested in discovering of what animals are capable of, and what that might suggest about human evolution. BenjiMail to author|Respond to list|Read more issues|LINGUIST home page|Top of issue