Frege in the Flesh: Biolinguistics and the Neural Enforcement of Syntactic Structures
arXiv:2604.00291v1 Announce Type: new Abstract: Biolinguistics is the interdisciplinary scientific study of the biological foundations, evolution, and genetic basis of human language. It treats language as an innate biological organ or faculty of the mind, rather than a cultural tool, and it challenges a behaviorist conception of human language acquisition as being based on stimulus-response associations. Extracting its most essential component, it takes seriously the idea that mathematical, algebraic models of language capture something natural about the world. The syntactic structure-building operation of MERGE is thought to offer the scientific community a "real joint of nature", "a (new) aspect of nature" (Mukherji 2010), not merely a formal artefact. This mathematical theory of language is then seen as being able to offer biologists, geneticists and neuroscientists clearer instructions for how to explore language. The argument of this chapter proceeds in four steps. First, I clar
arXiv:2604.00291v1 Announce Type: new Abstract: Biolinguistics is the interdisciplinary scientific study of the biological foundations, evolution, and genetic basis of human language. It treats language as an innate biological organ or faculty of the mind, rather than a cultural tool, and it challenges a behaviorist conception of human language acquisition as being based on stimulus-response associations. Extracting its most essential component, it takes seriously the idea that mathematical, algebraic models of language capture something natural about the world. The syntactic structure-building operation of MERGE is thought to offer the scientific community a "real joint of nature", "a (new) aspect of nature" (Mukherji 2010), not merely a formal artefact. This mathematical theory of language is then seen as being able to offer biologists, geneticists and neuroscientists clearer instructions for how to explore language. The argument of this chapter proceeds in four steps. First, I clarify the object of inquiry for biolinguistics: not speech, communication, or generic sequence processing, but the internal computational system that generates hierarchically structured expressions. Second, I argue that this formal characterization matters for evolutionary explanation, because different conceptions of syntax imply different standards of what must be explained. Third, I suggest that a sufficiently explicit algebraic account of syntax places non-trivial constraints on candidate neural mechanisms. Finally, I consider how recent neurocomputational work begins to transform these constraints into empirically tractable hypotheses, while also noting the speculative and revisable character of the present program.
Executive Summary
This article, 'Frege in the Flesh: Biolinguistics and the Neural Enforcement of Syntactic Structures,' presents a compelling synthesis of biolinguistics and formal linguistics by positioning the syntactic MERGE operation as a biologically grounded mechanism for language generation. The author argues that treating syntax as an innate computational system—rather than a behavioral artifact—offers a more coherent framework for evolutionary and neuroscientific inquiry. By clarifying the biolinguistic object of inquiry as the internal computational system generating hierarchical expressions, the piece establishes a bridge between mathematical linguistics and empirical neuroscience. The article further contends that explicit algebraic accounts of syntax impose non-trivial constraints on neural mechanism hypotheses, thereby elevating the specificity of scientific inquiry. The work is positioned as speculative but methodologically promising, signaling a shift toward integrating formal theory into empirical biological investigations of language.
Key Points
- ▸ Positioning MERGE as a biologically grounded syntactic mechanism
- ▸ Clarification of biolinguistic inquiry as focused on internal computational systems
- ▸ Explicit algebraic syntax accounts as imposing constraints on neural mechanism hypotheses
Merits
Strength
The article effectively bridges formal linguistics and biolinguistics by offering a concrete, mathematically grounded framework that enhances interdisciplinary coherence and specificity.
Strength
It advances the discourse by proposing a novel constraint-based model that may inform future empirical investigations in neuroscience and genetics.
Demerits
Limitation
The speculative nature of the program is acknowledged, which may limit the applicability of its hypotheses until further empirical validation is achieved.
Limitation
The focus on syntactic structure may inadvertently marginalize other biolinguistic dimensions such as phonology or pragmatics in the current iteration.
Expert Commentary
This work represents a significant methodological pivot in biolinguistics. Historically, biolinguistics has oscillated between cultural-tool analogies and formalist abstraction; this article decisively anchors itself in the latter without abandoning biological plausibility. The author’s insistence on MERGE as a ‘real joint of nature’ recalls Fregean semantics while avoiding the pitfalls of nominalism—instead, offering a tangible computational interface between linguistics and biology. The constraint-based framework introduced here is particularly noteworthy: it transforms abstract syntactic theory into a set of empirically testable conditions, a rare feat in interdisciplinary fields. While the speculative label is warranted, the article’s valorization of formal precision over heuristic convenience marks a mature evolution in the field. Moreover, the author’s balanced acknowledgment of revisability tempering the claims mitigates the risk of premature dogmatism. This paper should catalyze renewed dialogue between linguists, geneticists, and neuroscientists, particularly in the context of developmental disorders and evolutionary divergence. It is a model for how interdisciplinary scholarship can advance through rigorous conceptual alignment.
Recommendations
- ✓ Encourage replication of the constraint-mapping framework across diverse linguistic domains (e.g., syntax, semantics, phonology) to assess generalizability.
- ✓ Promote collaborative workshops between formal linguists, neuroscientists, and geneticists to refine empirical pathways for hypothesis testing.
Sources
Original: arXiv - cs.CL
