Duality of
patterning
Definition:
A characteristic of human language whereby speech can be analyzed on two levels: (1) as
made up of meaningless elements (i.e., a limited inventory of sounds), and (2)
as made up of meaningful elements (i.e., a virtually limitless inventory of words).The significance of duality of patterning as one of the 13 (later 16) "design features of language" was noted by American linguist Charles F. Hockett in 1960. (See Examples and Observations, below.)
Examples and Observations:
- "Human language is organized at
two levels or layers simultaneously. This property is called duality
(or 'double articulation'). In speech production, we have a
physical level at which we can produce individual sounds, like n, b
and i. As individual sounds, none of these discrete forms has any
intrinsic meaning. In a
particular combination such as bin, we have another level producing
a meaning that is different from the meaning of the combination in nib.
So, at one level, we have distinct sounds, and, at another level, we have
distinct meanings. This duality of levels is, in fact, one of the most
economical features of human language because, with a limited set of
discrete sounds, we are capable of producing a very large number of sound
combinations (e.g. words) which are distinct in meaning."
- Duality of Language and Animal
Communication
"The level of sounds and syllables is the province of phonology, while that of meaningful elements is the province of grammar and semantics.
Has
this kind of duality any analogue in animal communication systems? . . . The short answer to
[that] question seems to be no."
"It is hard to find clear and uncontroversial examples of duality of patterning outside our own species. But let us say that we can find them--and there is evidence, from the way some animals like birds and dolphins manipulate melodies, that this might be true.
"It is hard to find clear and uncontroversial examples of duality of patterning outside our own species. But let us say that we can find them--and there is evidence, from the way some animals like birds and dolphins manipulate melodies, that this might be true.
This
would mean that duality of patterning is a necessary condition for a
communication system to be a human language, but that by itself it may not be
enough.
There
is no human language without duality of patterning."
- Hockett on Duality of Patterning
"[Charles] Hockett developed the phrase 'duality of patterning' to express the fact that discrete units of language at one level (such as the level of sounds) can be combined to create different kinds of units at a different level (such as words). . . .
According
to Hockett, duality of patterning was probably the last feature to emerge in
human language, and it was critical in separating human language from other
kinds of primate communication. . . .
"The most difficult bit to figure out is how and when duality of patterning could have emerged.
"The most difficult bit to figure out is how and when duality of patterning could have emerged.
How
did individuals manage to isolate various bits of calls so that they could be
endlessly combined into arbitrary symbols?
Hockett
thought that if two calls each had two distinct parts, then perhaps something
in the blending process might alert individuals to the
existence of discrete units.
If
you can combine breakfast and lunch into brunch, then does
that alert you to the possibility that br is a distinct unit of sound
that is combinable with other distinct units of sound?
Solving
this puzzle remains one of the thorniest of the problems in determining how
language became possible."
- The Structures of Phonology and
Syntax
"The question of whether the structures of phonology and syntax are separate and distinct is relevant to the notion of duality of patterning. . . .
The
division between meaningful and meaningless elements is less sharp than it
appears, and the fact that words are composed of phonemes is arguably just a special case of the
pervasive hierarchical structure that is present in language. . . .
"Of all Hockett's design features, duality of patterning is the most misrepresented and misunderstood; in particular, it is frequently conflated with or linked to productivity.
"Of all Hockett's design features, duality of patterning is the most misrepresented and misunderstood; in particular, it is frequently conflated with or linked to productivity.
Hockett
seems to have regarded duality of patterning as the single most important
breakthrough in the evolution of language, yet he himself was unsure whether to
ascribe duality of patterning to the dance of the honeybee.
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