Intelligence as Transformed Instinct: A Hypothesis on the Origins of Human Thought
Intelligence as Transformed Instinct:
A Hypothesis on the Origins of Human Thought
Abstract
1. Introduction: The Problem
Early hominins
lived in an environment where they were often prey rather than predators.
Larger, stronger, and faster hunters posed a constant threat. Under these
conditions, survival required an advantage that was not purely physical. The
question I wish to raise is this: What
was the nature of that advantage in its earliest form?
2. The Hypothesis
I argue that
intelligence initially emerged with characteristics resembling those of an
instinct. It was:
· Innate:
encoded in DNA rather than acquired through teaching.
· Functionally linked to survival:
much like fear, flight, or the protection of offspring.
· Shared across the species: as
natural selection favored those who possessed it.
Like other
instincts, it developed through natural selection. Individuals who were better
at perceiving their surroundings, anticipating events, and adapting their
behavior were more likely to survive and pass on their genes.
3. Transformation: From Instinct to Tool
Humans did not
simply remain within the limits of what nature had provided. We already know
that many instincts can be shaped and regulated. Fear, for example, can be
managed through training, as demonstrated by a firefighter approaching a blaze.
Aggression can be regulated by social norms and laws, while the desire for
immediate gratification can be restrained through discipline. The prefrontal
cortex and executive functions enable us to delay gratification, inhibit
impulses, and make deliberate choices.
My hypothesis
is that the same process
occurred with intelligence. The original “instinct for
thinking” did not remain static but became something that could be cultivated.
Language improved thought, improved thinking refined language, and culture
sustained and amplified this feedback loop. Had this process not taken place,
our intelligence might have remained at a level comparable to that of our
closest living relatives, the chimpanzees.
4. What Supports the Hypothesis?
The difference lies in transmission, not in “natural” intelligence. In experiments conducted by Michael Tomasello and his colleagues (Herrmann et al., 2007), children aged 2.5 years and chimpanzees performed similarly on tests of physical cognition, including spatial reasoning, quantities, and tool use. Children clearly outperformed chimpanzees on tests of social cognition. These findings are consistent with the idea that basic innate capacities may not differ dramatically in every domain, while their cultivation and transmission can make a decisive difference.
The ratchet
effect. Tomasello (1999) describes how humans preserve
improvements and build upon them rather than starting from scratch with each
generation. Joseph Henrich (2016) demonstrates how cumulative culture has
contributed to the distinctive success of our species.
Social
selection pressures. The social intelligence hypotheses (Humphrey, 1976;
Dunbar, 1998) suggest that the need to manage complex social relationships
contributed to brain development, reinforcing what this article describes as an
initial innate foundation.
Precedent for
the term. Steven Pinker (1994) popularized the expression “the
language instinct,” arguing that the capacity for language is innate, whereas
each particular language is learned. As early as the late nineteenth century,
William James had argued that humans possess more instincts than other animals,
not fewer. The distinction between an innate capacity and cultivated content,
therefore, has an established intellectual precedent.
5. Objections and Limitations of the Hypothesis
The hypothesis
invites reasonable objections, and discussing them is precisely the purpose of
this article.
1.The
term “instinct.” In classical biology, instinct is generally
associated with relatively fixed, stereotyped behavior, whereas intelligence is
characterized by flexibility. The response proposed here is that the term
refers to the initial,
innate foundation, not its eventual form. Readers who disagree
with this terminology are invited to suggest an alternative and explain what
would be gained or lost by adopting it.
2.Intelligence
did not originate with humans. Chimpanzees,
crows, and octopuses display significant cognitive abilities. The hypothesis
does not claim that humans were the first intelligent organisms, but rather
that, along the hominin lineage, this capacity underwent a distinctive transformation.
3.There
was no “first human.” Evolution unfolded gradually, from Australopithecus to Homo sapiens. This
transformation did not occur in a single moment or through a conscious
decision, but through a prolonged interaction between biology and culture—a
process of gene–culture coevolution.
4.The
dominant selection pressure. It remains debatable whether the
primary pressure came from predators or from competition and cooperation within
the species itself. These explanations need not be mutually exclusive and may,
in fact, complement one another.
6. Conclusion
The hypothesis
proposed here views intelligence as an initially innate, survival-oriented
capacity related to instinct, which humans subsequently managed to shape,
regulate, and transform into cumulative culture. It is not presented as an
established scientific conclusion, but as a framework for discussion. If the
hypothesis is correct, one of the fundamental characteristics distinguishing us
from other species is not simply that we possess intelligence, but that we have
learned to cultivate it and transmit it across generations.
I invite
readers to raise objections, particularly concerning the use of the term
“instinct” and the concept of “transformation.”
Nick
Parastatidis
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