How does that work for aphantasia?
That’s pretty easy to hypothesize. People generally don’t think in complete sentences, for example. Children raised without language, while often developmentally delayed, learn and exhibit plenty of thought process faster than they do language.
This is interesting work, but I don’t think it justifies the plain-English summary. If you’re going to claim that language is not a tool for thought, I would expect you to demonstrate that a difference in language does not lead to a difference in thought. To answer that, you shouldn’t just look at whether language-focused brain regions are activated during non-language-based activity, but also whether a lifetime of using Language A leads to differences outside of those regions compared to a lifetime of using Language B. Isn’t that the crux of linguistic relativity? That different languages encourage and train different modes of thought?
Any chess player will tell you that they apply their “chess brain” to all sorts of things outside of chess. It’s not that we literally view life as a chessboard, but rather that a lifetime of playing chess has honed a set of mental skills that are broadly applicable. The fundamental logic applies everywhere.
In particular, some deaf children who are born to hearing parents grow up with little or no exposure to language, sometimes for years, because they cannot hear speech and their parents or caregivers do not know sign language. Lack of access to language has harmful consequences for many aspects of cognition, which is to be expected given that language provides a critical source of information for learning about the world. Nevertheless, individuals who experience language deprivation unquestionably exhibit a capacity for complex cognitive function: they can still learn to do mathematics, to engage in relational reasoning, to build causal chains, and to acquire rich and sophisticated knowledge of the world
It seems like they are using a narrower definition of “language” than is appropriate. e.g. I don’t think it’s controversial to include body language under the umbrella of “language”, so I am very skeptical of the claim that any of those deaf children had “no exposure to language”.
I think transforming “it’s possible to think without language” into “language is not a tool for thought” is an overreach. Definitely a lot of our internal voice is post-thought, but crystalizing those thoughts into words can provide footholds for further thought. Some would argue it’s not possible to think through a complex issue without writing:
But in many cases, language may also serve as a framework construct around which thoughts are rendered.
I’d have to agree. Not just many cases, but all cases.
And what are thoughts if not communication with the self?
But, language is more than communication, it literally structures our world.