The Piraha: Cognitive Anumeracy in a Language Without Numbers

Started by jimmy olsen, October 17, 2013, 11:30:53 PM

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jimmy olsen

I would have thought that surely even a society of paleolithic hunter gathers needed numbers to function. :unsure:

http://www.slate.com/blogs/lexicon_valley/2013/10/16/piraha_cognitive_anumeracy_in_a_language_without_numbers.html
QuoteWhat Happens When a Language Has No Numbers?
By Mike Vuolo
1381941182 Pirahã people on the Maici River in Amazonas, Brazil.

Photo courtesy of Tony Muricy.

The Pirahã are an indigenous people, numbering around 700, living along the banks of the Maici River in the jungle of northwest Brazil. Their language, also called Pirahã, is so unusual in so many ways that it was profiled in 2007 in a 12,000-word piece in the New Yorker by John Colapinto, who wrote:

    Unrelated to any other extant tongue, and based on just eight consonants and three vowels, Pirahã has one of the simplest sound systems known. Yet it possesses such a complex array of tones, stresses, and syllable lengths that its speakers can dispense with their vowels and consonants altogether and sing, hum, or whistle conversations.

Among Pirahã's many peculiarities is an almost complete lack of numeracy, an extremely rare linguistic trait of which there are only a few documented cases. The language contains no words at all for discrete numbers and only three that approximate some notion of quantity—hói, a "small size or amount," hoí, a "somewhat larger size or amount," and baágiso, which can mean either to "cause to come together" or "a bunch."

With no way to express exact integers, the obvious question is: How do the Pirahã count? More pragmatically, how do they ask for two of something instead of just one? The answer—according to some of the more recent research on anumeracy, published by anthropological linguist Caleb Everett in the journal Cognitive Science—suggests, almost inconceivably, that they don't.

Everett, the son of Christian missionaries turned linguists, lived on and off with the Pirahã during his early childhood. His parents, he told me, speak Pirahã as fluently as any Westerners ever have, though for a non-native speaker to master the language is a near impossibility. A couple of years ago, Everett (whose father was featured in the New Yorker piece) traveled back to the Pirahã villages to run a few very simple experiments.

For one test, he would lay down on a table a line of evenly spaced items, say batteries, and ask the Pirahã to make a second line just like the first. For another, he would show someone a line of items and then hide it from view. Again, he would ask for a second line just like the first. In both cases, no mistakes were made as long as the lines were just two or three items long. But, as Everett wrote in his paper, "The proportion of correct responses generally drops significantly for numbers exceeding 2 or 3." This was true for all tasks, including a non-visual test that involved clapping. English speakers, on the other hand, make no errors at all, except when a relatively long line of items, say seven or more, is shown quickly and then hidden. We can only count so fast, after all, but the Pirahã appear not to be counting at all—because, well, how could they? Instead, they're employing what Everett calls an "analog estimation strategy," which works well for a few items but breaks down beyond that.

If necessity is the mother of invention, then perhaps the Pirahã never needed numbers, either because precise counting is not culturally valued or because that value has a sufficient, anumeric workaround. Nothing about the Pirahã's self-contained way of life seems to require quantity recognition over three, says Everett, a fact that's not lost on outsiders, who sometimes take advantage of them when trading goods. Attempts over the years to teach number words and basic arithmetic to the Pirahã have met with little success, in large part because they're uninterested. In fact, the Pirahã have a term for all languages not their own; it translates as "crooked head," which is intended as a "clear pejorative," as Colapinto points out:

    The Pirahã consider all forms of human discourse other than their own to be laughably inferior, and they are unique among Amazonian peoples in remaining monolingual.

In our increasingly data-driven culture, where we reincarnate ourselves more and more as spreadsheets, anumeracy is unthinkable. Many fear, amid the "advanced stats" revolution in all aspects of life, that what it means to be and feel human is forever changing, and not for the better. It's perhaps comforting to know, then, that while we're busy charting our heart rate and measuring our intake and poring over the wins above replacement values for our fantasy league, the Pirahã, immune to the relentless tyranny of numbers, will simply enjoy the game.
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Sheilbh

It doesn't follow that they're cognitively unable to count (SAPIR-WHORF LIVES!). They're not immune, just indifferent surely :mellow:
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Syt

I'm a bit surprised that they were struggling with more than 3 items. IIRC, we're normally able to tell instinctively up to 5 items at a glance, and more than that requiring counting.
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jimmy olsen

Quote from: Sheilbh on October 17, 2013, 11:44:32 PM
It doesn't follow that they're cognitively unable to count (SAPIR-WHORF LIVES!). They're not immune, just indifferent surely :mellow:
Well, they're not biologically incapable of course, however from what's written they seem to be so culturally apathetic to the concept that they are practically incapable of it.
It is far better for the truth to tear my flesh to pieces, then for my soul to wander through darkness in eternal damnation.

Jet: So what kind of woman is she? What's Julia like?
Faye: Ordinary. The kind of beautiful, dangerous ordinary that you just can't leave alone.
Jet: I see.
Faye: Like an angel from the underworld. Or a devil from Paradise.
--------------------------------------------
1 Karma Chameleon point

The Brain

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Razgovory

Yeah, I remember reading about Everett's claims.  I'm quite skeptical, since he makes all sorts of off the wall claims and he's really the only source.
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Legbiter

Why'd you need numbers per se. you have say, an animal, animals if you've hunted more than one and plenty to eat thereafter. These guys live by spearing fish and forest animals so it's not strictly necessary to have numbers like we do.

Also, Everett's an interesting man, went to the Piraha to tell them about Jesus years ago but they ended up converting him away from Christianity.  :showoff:
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Richard Hakluyt

Quote from: Legbiter on October 18, 2013, 07:42:22 AM
Why'd you need numbers per se. you have say, an animal, animals if you've hunted more than one and plenty to eat thereafter. These guys live by spearing fish and forest animals so it's not strictly necessary to have numbers like we do.

Also, Everett's an interesting man, went to the Piraha to tell them about Jesus years ago but they ended up converting him away from Christianity.  :showoff:

I would imagine the conversion attempt foundered on the failure of the Piraha to understand the Holy Trinity  :hmm:

HVC

Quote from: Richard Hakluyt on October 18, 2013, 08:00:39 AM
Quote from: Legbiter on October 18, 2013, 07:42:22 AM
Why'd you need numbers per se. you have say, an animal, animals if you've hunted more than one and plenty to eat thereafter. These guys live by spearing fish and forest animals so it's not strictly necessary to have numbers like we do.

Also, Everett's an interesting man, went to the Piraha to tell them about Jesus years ago but they ended up converting him away from Christianity.  :showoff:

I would imagine the conversion attempt foundered on the failure of the Piraha to understand the Holy Trinity  :hmm:

three equals one. Seems to fit into their mathematical thinking nicely, actually :D
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Quote from: Razgovory on October 18, 2013, 06:49:46 AM
Yeah, I remember reading about Everett's claims.  I'm quite skeptical, since he makes all sorts of off the wall claims and he's really the only source.

I suspect much of this falls within the domain of "telling the outsiders a good yarn creates revenues" - a well-known issue in anthropology.  :D
The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane—Marcus Aurelius

CountDeMoney

Quote from: HVC on October 18, 2013, 08:12:48 AM
Quote from: Richard Hakluyt on October 18, 2013, 08:00:39 AM
I would imagine the conversion attempt foundered on the failure of the Piraha to understand the Holy Trinity  :hmm:
three equals one. Seems to fit into their mathematical thinking nicely, actually :D

It's trying to convince them to double down on 11 that's the real bitch.

OttoVonBismarck

This was interesting about ten years ago when I first read about the Piraha and Everett. I don't think he's worked there since that time so not sure why this is worthy of note at this date.

mongers

Quote from: OttoVonBismarck on October 18, 2013, 08:30:51 AM
This was interesting about ten years ago when I first read about the Piraha and Everett. I don't think he's worked there since that time so not sure why this is worthy of note at this date.

Some of these guys are being 'head-hunted' by major banks to help solve the financial crisis.
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Grey Fox

Quote from: OttoVonBismarck on October 18, 2013, 08:30:51 AM
This was interesting about ten years ago when I first read about the Piraha and Everett. I don't think he's worked there since that time so not sure why this is worthy of note at this date.

What you are saying is that you are old?
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