The Deep Roots of Human Communication

A groundbreaking study indicates that the dawn of human conversation may have occurred at least 135,000 years ago. This research posits that modern languages coudl potentially trace back to a single, primordial tongue, offering new insights into the evolution of human communication.

Genomic Evidence: A New Approach to an Old Mystery

Researchers at the Massachusetts Institute of Technology (MIT) have pioneered a novel approach to unraveling this age-old enigma: genomic analysis. By examining a comprehensive collection of genetic studies, they’ve shed light on the timeline of language development.

The MIT team meticulously analyzed 15 genetic studies published over the last 18 years. This included:

• Three studies focusing on inherited Y chromosomes
• Three studies examining mitochondrial DNA
• Nine studies analyzing overall genomes

Deciphering the Genetic Code of Language

Professor Shigeru Miyagawa of MIT, a lead author of the study, explained the core principle:

The logic is very simple.Every population scattered throughout the world has human language, and all languages ​​are interrelated.
Professor Shigeru Miyagawa, MIT

He further elaborated on the implications of the genomic data, stating,

I think we can say quite exactly that the first division occurred around 135,000 years ago, so the capacity of human language must have existed at that time, or before.
Professor Shigeru Miyagawa, MIT

Homo Sapiens and the Birth of Language

Considering that Homo sapiens emerged approximately 230,000 years ago, the study’s findings suggest that language arose after the appearance of our species. the genetic data indicates that the initial divergence of human populations occurred around 135,000 years ago. This timeline implies that as groups of people migrated geographically, genetic variations developed, eventually leading to distinct regional subpopulations.

The extent of genetic variation observed in these studies allowed the researchers to estimate the period when Homo sapiens existed as a single, undifferentiated group. This meta-analysis builds upon earlier research, such as a 2017 study, by incorporating a larger and more refined dataset.

Language as a Cognitive and Communicative Leap

The study also touches upon the cognitive prerequisites for language. It suggests that humans possessed the cognitive capacity for language for some time before language itself fully materialized.

Miyagawa posits:

Language is a cognitive system and communication system. My guess is before 135,000 years ago, language indeed began as a personal cognitive system, but with relatively quickly changed into a communication system.
Professor Shigeru Miyagawa, MIT

Archaeological Echoes of Language

Archaeological records provide valuable corroborating evidence. Around 100,000 years ago, a surge in symbolic activity occurred, including the use of ochre for decoration and the creation of symbolic markings. These behaviors, like complex language, are uniquely human.

The study emphasizes that consistent symbolic thinking, mirroring the structure of language, is only evident in the archaeological record of Homo sapiens.this suggests a profound link between language and the development of modern human behaviour.

The Catalyst for Modern Human Behavior

Miyagawa suggests that language acted as a catalyst:

language is a trigger for modern human behavior. Somehow, language stimulates human thought and helps create this kind of behavior. If we are right, humans learn from one another [karena bahasa] And encourage the type of innovation we saw 100,000 years ago.
Professor Shigeru Miyagawa, MIT

Though, the authors acknowledge choice perspectives, with some scholars proposing a more gradual and multifaceted development of new activities around 100,000 years ago, involving material culture, technology, and social association, where language played a role but not necessarily the dominant one.

Looking Ahead: Future Research Directions

Miyagawa concludes:

Our approach is very empirical -based, based on the latest genetic understanding of the initial Homo sapiens. I think we are in a good research path, and I hope this will encourage people to pay more attention to human language and evolution.
Professor Shigeru Miyagawa, MIT

This study, titled “Linguistic Capacity Was Present in The Homo Sapiens Population 135 Thousand years ago,” was published in the journal Frontiers in Psychology on March 11, 2025.