Language is not essential for the cognitive processes that underlie thought

Inner Experience of Thought

• Many describe rich inner speech: a literal internal voice narrating thoughts or rehearsing sentences.
• Others report primarily nonverbal thought: abstract “system-architecture space,” spatial structures, sounds, rhythms, or feelings, sometimes with no clear inner monologue.
• Some say forcing themselves to think in sentences feels slow and limiting; language is a secondary, organizing layer over already‑formed ideas.
• Flow/“zone” states and meditation are cited as cases where verbal thought drops out but cognition and control remain.

Counting, Numerosity, and Nonverbal Cognition

• Several commenters can track small quantities by “feel” or visual grouping, not by subvocal counting; subitizing and approximate number sense are mentioned.
• Rhythms, polyrhythms, and physical skills (bike riding, sports, music, walking) are seen as paradigmatic nonverbal cognition.
• Animal abilities (tool use, small-number discrimination, strategy in predators) are taken as obvious evidence of thought without human language.

What Counts as “Language”?

• Strong disagreement over definitions:
  • Narrow: structured word sequences processed in specific “language network” brain regions.
  • Broad: any systematic symbol or signal system (gestures, rhythms, pheromones, slaps, tool “languages,” even scene graphs and data structures).
• Several note that conclusions depend heavily on which definition is used; with a very broad definition, “thought without language” becomes almost incoherent.

Language’s Role in Thought

• Widely accepted that language is not necessary for all cognition, but:
  • It greatly amplifies abstraction, planning, sharing concepts, and building layered models (math, science, programming).
  • It compresses and regularizes high-dimensional mental content; repeated verbalization can reshape both personal and collective ideas.
• Weak Sapir‑Whorf views appear: language may not be required for thought, but linguistic categories and vocabulary can influence what’s easy to think or ask about.

Interpretation and Limits of the Study

• Some stress the article’s narrow claim: language regions aren’t required for certain tested cognitive tasks; this doesn’t mean “language is not essential for thought” in general.
• fMRI blood‑flow methods and coarse task design are criticized as crude; representational drift and the complexity of self‑report complicate strong conclusions.
• Others argue the result is unsurprising given deaf people, aphasia cases, infants, and animals.

Implications for AI and LLMs

• One camp: result shows that pure language models are insufficient for general intelligence; we need additional nonlinguistic reasoning systems, possibly more like animal cognition or multimodal agents.
• Another camp: transformers are generic sequence models; internal layers may already implement nonlinguistic world models learned from text, so the result doesn’t rule out LLM‑based AGI.
• Ongoing debate over whether LLMs “reason” vs. doing advanced pattern matching; both successes and failures are cited.

Development, Consciousness, and Inner Speech

• Helen Keller’s account is invoked to argue that acquisition of symbolic language radically restructures consciousness and self‑awareness.
• Some link “reasoning” to internalized language; others emphasize pre‑verbal emotional and sensory systems as foundational substrates for consciousness and thought.