Language Log

I never dreamed that I would be subjected to an MRI or a CAT scan or other sophisticated diagnostic system that enables medical specialists to see detailed tomographic images from inside your body.

For both of these devices, the patient lies on a flat surface and is inserted in a tube-like scanner.  They both make conspicuous noises all the while you are inside of them, and that is a normal part of their function. The CAT scan makes clicking, buzzing, humming, and whirring sounds.  The MRI is stranger.  You feel like you're going in a long winding, curving tunnel.  The one I was in made me think it had white brick walls interspersed with red glazed bricks.  I was a bit afraid that I would go so deep inside that I might never come out.

Because there are so many excellent entries of interest to Language Log readers in various fields, I am including all of those in this extensive list;

• "Genetic History of Scythia." Andreeva, Tatiana V. et al. Science Advances 11, no. 30 (July 25, 2025): eads8179. https://www.science.org/doi/10.1126/sciadv.ads8179. Updated 27 March 2026.
•  
• "Decoding Parrot Duets: Complex Communication in Yellow-Naped Amazons." Dahlin, Christine R. et al. Journal of Avian Biology 2026, no. 1 (February 12, 2026): e03552. https://onlinelibrary.wiley.com/doi/abs/10.1002/jav.03552.

Tao Lin et al., "The audience shapes the information content of the honey bee waggle dance", PNAS 3/23/2026:

We show that the honey bee waggle dance changes depending on how many followers a dancer has and how many appropriately aged bees are available to follow it. When followers were scarce, dancers became less precise, even if the dance floor was crowded with young bees that do not follow dances. These declines in precision appear to arise because dancers search more widely for an audience, increasing their movement during the return run. The results suggest that dancers use simple social cues, such as tactile contacts, to sense follower availability. Thus, waggle dancing is not a one-way signal but a socially responsive behavior shaped by feedback from followers.

Well, I'm not so sure about this:

Having just spent a week in close quarters with two large German Shepherds and a big German Shepherd mix, I was primed to learn about the Indian Pariah Dog, which somehow crossed the path of my consciousness yesterday.

Observing the behavior and ability of the German Shepherds, and reading about the history and canine qualities of the Indian Pariah Dog, I became fascinated by how different are the aptitudes and characteristics of various types of dogs, yet all domestic dogs are the same species, Canis familiaris, or more technically, a subspecies of the gray wolf, Canis lupus, hence  Canis lupus familiaris, and have been so for more than ten thousand years of evolution.

The social media site r/PetsWithButtons (created in 2020) is full of interesting observations and questions. One of my favorites is "My cat has started to use “vacuum” as a curse word":

Basically the title. I gave him a “vacuum” button because the vacuum is stressful for him and I wanted to be able to clearly communicate that the vacuum was going to happen and let him know “vacuum all done.” He definitely knows what it means because when the vacuum is running he will push “vacuum” repeatedly and also add “nervous” in there too. But now he has started spamming vacuum after I tell him no, like he is using it as a curse word. For example, he will ask for “snackie” when we JUST got done with snackie and I will say “snackie all done” and then he will go spam the vacuum button. Yeah, ok bud, I hear you loud and clear that you feel “vacuum” about “snackie all done.” Or he snuck a lick from the end of my spicy curry dish (I did not authorize this, I looked away for ONE second), I could tell he regretted this (spicy), and then he went and pressed “snackie vacuum.” Yeah, ok bud, that snackie made your mouth feel “vacuum”.

I don’t know what I’m asking really, just commiserating. I guess maybe he needs a “mad” button?

Are nonlinear vocal phenomena as distracting as people think?
Andrey Anikin, ORCID Icon Bioacoustics The International Journal of Animal Sound and its Recording (18 Sep 2025)

Keywords

Roughness    vocal communication    attention    infant cries    auditory salience    nonlinear vocal phenomena

Sino-Platonic Papers is pleased to announce the publication of its three-hundred-and-sixty-fifth issue:

“Horses and Humans: A Consequential Symbiosis,” edited by Victor H. Mair.

Bibliographical cornucopia for linguists, part 1

Since we have such an abundance of interesting articles for this fortnight, I will divide the collection into two parts, and provide each entry with an abstract or paragraph length quotation.

But can they still tell us something useful about language?  Here are two new papers that address that question:

I.

"What the Hidden Rhythms of Orangutan Calls Can Tell Us about Language – New Research." De Gregorio, Chiara. The Conversation, May 27, 2025.

In the dense forests of Indonesia, you can hear strange and haunting sounds. At first, these calls may seem like a random collection of noises – but my rhythmic analyses reveal a different story.

Those noises are the calls of Sumatran orangutans (Pongo abelii), used to warn others about the presence of predators. Orangutans belong to our animal family – we’re both great apes. That means we share a common ancestor – a species that lived millions of years ago, from which we both evolved.

The origins of language
Max Planck Institute for Evolutionary Anthropology (May 9, 2025)

Summary:

    Wild chimpanzees alter the meaning of single calls when embedding them into diverse call combinations, mirroring linguistic operations in human language. Human language, however, allows an infinite generation of meaning by combining phonemes into words and words into sentences. This contrasts with the very few meaningful combinations reported in animals, leaving the mystery of human language evolution unresolved. 

We touched upon this question recently in "Chicken or egg; grammar or language" (1/15/25), where we examined Daniel Everett's thesis as propounded in How Language Began:  The Story of Humanity's Greatest Invention.  In that volume, Everett argues that language is learned / acquired / developed, not hard-wired in the human brain.  He holds that our ancient ancestors, Homo erectus, had the biological and mental equipment for speech 1,500,000 years ago, 10 times earlier than the conventional wisdom that language originated with Homo sapiens 150,000 years ago, and that it was the result of a "language instinct". 

Now we come back to the lower date with this new research as presented in:

Shigeru Miyagawa, Rob DeSalle, Vitor Augusto Nóbrega, Remo Nitschke, Mercedes Okumura, Ian Tattersall. Linguistic capacity was present in the Homo sapiens population 135 thousand years ago. Frontiers in Psychology, 2025; 16 DOI: 10.3389/fpsyg.2025.1503900

This is something I've been waiting for for decades:

"Onomatopoeia Odyssey:  How do animals sound across languages?", by Vivian Li, The Pudding (March, 2025)