Download English for Academic and Professional Purposes and more Slides Creative writing in PDF only on Docsity! English for Academic and Professional Purposes (EAPP) Prepared by: EDLYN L. JOVEN English Teacher From Hand to Mouth
Michael C. Corballis
(1) Imagine trying to teach a child to talk without using your hands
or any other means of pointing of gesturing. The task would surely be
impossible. There can be little doubt that bodily gestures are involved in the
development of language, both in the individual and in the species. Yet, once
the system is up and running, it can function entirely on vocalizations, as
when two friends chat over the phone and create in each other's minds a
world of events far removed from the actual sounds that emerge from their
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speech as we Know it foday would have faken some me to evolve, and may
not have been complete ntl some 170,000 years ago, or even later, when
Homo sapiens emerged fo grace, but more often disgrace, the planet. These
adjustments may have been incomplete even in our close relatives the
Neanderthals; arguably, was this falure that contnbuted to ther demise
(3) The question now is what were the selective pressures that led
to the eventual dominance of speech? On the face of it, an acoustic medium
seems a poor way to convey information about the world: not for nothing is it
said that a picture is worth a thousand words. Moreover, signed language has
all the lexical and grammatical complexity of spoken language. Primate
evolution is itself a testimony to the primacy of the visual world. We share with
monkeys a highly sophisticated visual system, giving us three- dimension
information in colour about us, and an intricate system for exploring that world
through movement and manipulation. Further, in a hunter gatherer
eflvironment, where predators and prey are major concern, there are surely
advantages in silent communication since sound acts as a general alert. And
yet we came to communicate about the world in a medium that in all primates
except ourselves is primitive and stereotyped- and noisy,
(5) What, then, are the advantages of a language that can operate
autonomously through voice and ear, rather than hand and eye? Why
speech?
Advantages of Arbitrary Symbols
(6) One possible advantage of vocal language is its arbitrariness.
Except in rare cases of onomatopoeia, spoken words cannot be iconic, and
they therefore offer scope for creating symbols that distinguish between
object or actions that look alike or might otherwise be confusable. The names
of similar animals, such as cats, lions, tigers, cheetahs, lynxes, and leopards,
are rather different. We may be confused as to which animals is which, bur at
least it is clear which one we are talking about. The shortening of words
overtime also makes communication more efficient, and some of us have
been around long enough to see this happen: television has become TV or
telly, microphone has been reduced to mike (or mic), and so on. The fact that
more frequent words tends to be shorter than less frequent ones was noted
by the American philologist George Kingsley Zipf, who related it to a principle
of “least effort.” So long as signs are based on iconic resemblance, the signer
has little scope for these kinds of calibration.
(7) It may well have been very important for hunter-gatherers to
identify and name a great many similar fruits, plants, trees, animals, birds,
and so on, and atfempts at iconic representation would eventually only
confuse. Jared Diamond observes that the people living largely traditional
lifestyle in New Guinea can name hundreds of birds, animals, and plants,
along with details about each of them. These people are illiterate, relying on
word of mouth fo pass on information, not only about potential foods, but also
about how to survive dangers, such as crop failures, droughts, cyclones, and
(9) | would be on dangerous ground, however, f| were to insist too
strongly that speech is linguistically superior to signed language. After al
students at Gallaudet University seem pretty unrestricted in what they can
learn; signed language apparently functions well right through to university
level- and stil requires students to learn lots of vocabulary from their suitably
= professor. It is nevertheless true that many signs remain Iconic, or a
least partially so and are therefore somewhat tethered with respect to
modifications that might enhance clarity or efficiency of expression. But there
may well be a trade- off here. Signed language may easier to learn than
spoken ones. Especially in initial stages of acquisition, in which the child
comes fo understand the linking of objects and the action with their linguistic
representations. But spoken languages, ones acquired, may relay messages
more accurately, since spoken words are better calibrated to minimize
confusion. Even so, the iconic component is often important, and as | look the
quadrangles outside my office | see how freely the students there are
ij embellishing their conversations with manual gestures.
In The Dark
(10) Another advantage of speech over gesture is obvious: we can
use it in the dark! This enables us to communicate at night, which not only
extends the time available for meaningful communications but may also have
proven decisive in the competition for space and resources. We of the gentle
species Homo sapiens have a legacy of invasion, having migrated out of
Africa into territories inhabited by other hominins who migrated earlier.
Perhaps it was the newfound ability to communicate vocally, without the need
for a visual component that enabled our fore-bearers to plan, and even carry
/ out, invasion at night, and so vanquish the earlier migrants.
Listen to Me!
(12) Speech does have one disadvantage, though: it is generally
accessible to those around you and is therefore less convenient for sending
confidential or secret messages or for planning an attack on enemies within
earshot. To some extent, we can overcome this impediment by whispering.
And sometimes, people resort to signing. But the general alerting function of
sounds also has its advantages. When Mark Anthony cried, “Friends,
Romans, countrymen, lend me ears.” he was trying to attract attention as well
a* deliver a message.
(13) In the evolution of speech, the alerting component of language
might have consisted at first simply of grunt that accompany gestures to give
emphasis t0 specific actions or encourage reluctant offspring fo attend while a
parent lays down the law. It is also possible that non-Vocal sounds
accompanied gestural communication. Russell Gray has suggested to me
that clicking one's fingers as children offen do when putting their hands up in
"class to answer a question, may be a sort of “missing link” between gestural
and vocal lanquage. | know of no evidence that chimpanzees or other
nonhuman primates are able to clck their fingers as humans can, although lip
smacking, a$ observed in chimpanzees, may have played a similar role.
Sounds may therefore have played a similar and largely alerting role in early
evolution of language, gradually assuming more prominence in conveying the
message isel
(15) Speech has another, and subtler, attentional advantage.
Manual gesture is much more demanding of attention, since you must keep
your eyes fixed on gesturer in order to extract her meaning, whereas speech
can be understood regardless of where you are looking. There are a number
of advantages in being able to communicate with people without having to
look at them. You can effectively divide attention, using speech to
communicate with a companion while visual attention is deployed elsewhere,
perhaps to watch a football game or to engage in some joint activity, like
building a boat. Indeed, the separation of visual and auditory attention may
ll have been critical in the development of pedagogy.
Three Hands Better than Two
(16) Another reason why vocal language may have arisen is that it
proves an extra medium. We have already seen that most people gesture
with their hands, and indeed their faces, while they talk. One might argue
then, that the addition of vocal channel provides additional texture and
richness to the message.
(17) But perhaps it is not a simply a matter of being better. Susan
Golden-Meadow and David McNeill suggest that speech may have evolved
because it allows the vocal and manual components to serve different and
complimentary purposes. Speech is perfectly adequate to convey syntax,
which has no iconic or mimetic aspect, and can relieve the hands and arms of
this chore. The hands and arms, of course, well adapted to providing the
mimetic aspect of language, indicating in analogue fashion the shapes and
sizes of things, or the direction of movements, as in the gesture that might
accompany any statement “he went that a-way." By allowing the voice to take
over the grammatical component, the hands are given free rein, as it were, to
i provide the mimetic component.
(20) Thus, it was not the emergence of the language itself that gave
rise to the evolutionary explosion that has made our lives so different from our
near relatives, the great apes. Rather, it was the invention of autonomous
speech, freeing the hands for more sophisticated manufacture and allowing
language to disengage from other manual activities, so that people could
communicate while changing the baby’s diapers, and even explain to a novice
what they were doing. The idea that language may have evolved relatively
slow, seems much more in accord with biological reality than the notion of
linguistic “big bang" within the past 200,000 years. Language and
manufacture also allowed cultural transmission to become the dominant
mode of inheritance in human life. That ungainly bird, the jumbo jet, could not
have been created without hundreds, perhaps thousands, of years of cultural
evolution, and the brains that created it were not biologically superior to the
brains that existed in 100,000 years ago in Africa. The invention of speech
may have merely been the first of many developments that have put us not
only on the map, but all over it.
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