Our Multiple Senses Cooperate

Scientists estimate that humans have up to 33
distinct types of senses, rather than the tradi-
tional ‘five’ senses, highlighting the immense
complexity of human perceptive abilities

Human Senses Are Far More Complex Than Previously Believed

by Sarah Buckland-Reynolds, PhD

It is common to speak of having “all five senses” intact, while animals are sometimes described as possessing an additional “sixth sense.” As remarkably complex as the traditional five-sense model already is, new research suggests that human sensory experience is far more intricate and interconnected than previously imagined.

Evidence for this new concept was extensively described in a recent review entitled “The Unity of Sense and Mind: A Review of Cross-Domain Mapping” by Liu & Lupyan in Psychonomic Bulletin & Review, 5 January 2026) and further discussed in an article on The Conversation, “Humans Could Have Up to 33 Senses” (23 December 2025).

Liu and Lupyan’s work reveals that our experience of the world is not confined to the five-sense model (originally articulated by Aristotle), but rather is characterized by a rich, overlapping tapestry of sensory and conceptual domains. Their research suggests that humans may possess between 22 and 33 distinct senses, all blending seamlessly into a unified perceptual experience.

From an intelligent design perspective, these findings highlight the remarkable integration underlying human experience. They also raise significant questions for evolutionary explanations that rely on incremental adaptation and chance co-option. Instead, they point to a purposeful architecture, where human minds and bodies were designed to integrate extraordinary complexity into coherent unity.

Beyond Survival: The Implausibility of Evolutionary Accounts

The prevailing narrative in modern science often frames human cognition and perception as the cumulative product of evolutionary pressures. According to this view, our faculties exist because they conferred survival advantages, gradually refined through natural selection and natural processes such as statistical learning.

Yet, upon closer examination, many of the most fundamental aspects of human experience resist such reduction. They appear not as incremental adaptations, but as deeply integrated framework: systems of coherence, integration, and abstraction that far exceed the demands of mere survival.

Liu and Lupyan’s paper implicitly challenges the plausibility of purely evolutionary accounts by examining innate cross-domain mappings, the multiplicity of senses extending beyond survival needs or requirements, cross-sensory associations lacking clear adaptive utility, and the seamless integration of dozens of interdependent faculties. Among the phenomena described are several that suggest human perception and cognition are not accidental byproducts of blind selection, but rather manifestations of intentional design, including the following:

1. Innate Cross-Domain Mappings

Innate cross-domain mappings highlight one of the most striking challenges to evolutionary explanations of cognition. Liu & Lupyan’s observation that neonates, only a few days old, pay greater attention to stimuli around them when size, time/duration, and number change at the same time/simultaneously. In their words, Liu & Lupyan note:

“Neonates aged 0–3 days showed prolonged attention to simultaneous increases (or decreases) in spatial extent, duration, or numerical quantity”.

They further state that:

“Statistical learning may not always be an adequate explanation of cross-domain mappings.”

This impulse in newborns suggests that the human mind is equipped with a pre-installed system for linking disparate domains. These infants have had virtually no opportunity for statistical learning or environmental conditioning, yet they demonstrate sensitivity to abstract correspondences across space, time, and number. Such findings challenge the view that these mappings are merely the product of accumulated experience or incremental adaptive trial-and-error processes.

The difficulty for evolutionary accounts lies in explaining why such cross-domain associations would emerge before any survival-driven interaction with the environment. Statistical learning models depend on exposure to patterns, but neonates have not yet encountered enough stimuli to form these connections.

By contrast, intelligent design interprets this as evidence of an embedded cognitive framework that anticipates coherence across domains and equips humans to perceive structure in the world from the very beginning. In this view, cross-domain mappings are not accidental byproducts of adaptation, but intentional features of a mind designed for abstraction, creativity, and meaning.

2. Multiplicity of Senses Beyond Survival Needs

Another significant challenge to evolutionary interpretations of human perception is the multiplicity of senses that extend beyond basic survival needs. Senses such as vision, hearing, and touch are traditionally interpreted by evolutionary accounts as directly supporting survival. However, Liu and Lupyan’s review highlights that research has increasingly discovered additional senses like proprioception (awareness of body position), interoception (awareness of internal states such as hunger or heartbeat), agency (the sense of initiating actions), and ownership (the sense that one’s body belongs to oneself).

Importantly, these are not merely extensions of survival mechanisms, but higher-order faculties that enable self-awareness, emotional regulation, and abstract thought. For example, proprioception is now understood not just as position sense but as part of a broader interoceptive network that integrates signals from muscles, joints, and connective tissues to inform our internal state and relationship to the environment.

The challenge for evolutionary theory lies in explaining how dozens of overlapping senses could evolve independently, especially when many lack clear and direct adaptive value. Interoception, for instance, contributes to emotional awareness and decision-making, yet its role in immediate survival is indirect. Agency and ownership are even more abstract, underpinning concepts of selfhood and identity rather than moment-to-moment survival.

Yet these faculties are universal, woven deeply into human experience. Intelligent design interprets this multiplicity as evidence of intentional architecture: a system built not merely to preserve life, but to enable coherence, creativity, and reflective thought. In this view, the sheer number and seamless integration of senses point more plausibly to design than to blind selection, suggesting that human perception was structured with purpose rather than pieced together by chance.

3. Cross-Sensory Associations

Not only are there multiple overlooked dimensions of human sensory experience, but Liu and Lupyan’s paper also identifies significant and consistent interconnections among multiple senses that are difficult to account for within evolutionary frameworks. One interesting and striking example is the interconnection between higher-pitched ‘sounds’ and visual brightness. As Liu & Lupyan observe: “…bright objects do not inherently produce higher-pitched sounds than dark objects,” yet humans across cultures consistently make this mapping.

The pairing of bright or shining objects with high-pitched, sometimes “heavenly,” sounds is often used for dramatic effects. However, studies in psychology and cognitive science demonstrate that people across diverse languages and cultures consistently associate brighter stimuli with higher-pitched sounds and darker stimuli with lower-pitched sounds. This suggests that the tendency is not simply learned from cultural conventions or media exposure but reflects deeper perceptual mechanisms in the human mind.

This phenomenon of cross-sensory association between otherwise unrelated sensory domains suggests that perception is not merely about survival-driven accuracy but about coherence and creativity. From an evolutionary standpoint, the difficulty lies in explaining why such mappings would be retained if they conferred no clear adaptive advantage. Why would natural selection preserve mapping with no apparent survival advantage? Natural selection is expected to preserve traits that enhance survival or reproduction, but the association between brightness and pitch does neither. Instead, it reflects a deeper tendency of the mind to organize experience metaphorically, to impose structure across domains that are not inherently connected.

Intelligent design interprets this as evidence of a mind intentionally structured for meaning-making. Cross-sensory mappings enrich human creativity, language, and art—domains that extend far beyond immediate survival. They enable us to form metaphors (“bright ideas,” “sharp sounds”), to unify disparate experiences, and to generate abstract thought. In this view, such associations are not evolutionary accidents but purposeful features of cognition, pointing to a framework designed for coherence and imagination rather than mere utility.

Cross-domain mappings involve a synergy between relatively conceptual and perceptual levels of processing.

4. Integration Across 33 Senses

Citing research published back in the 1940’s, Liu and Lupytan make a compelling point not only about the multiplicity of senses and their cross-domains, but also about their intricate integration. In their words:

“Our experiences of the world around us are inherently multisensory. For example, when we eat, we not only taste the food but also perceive its smell, texture, temperature, and appearance. The frequency with which two stimuli occur together can strengthen the activated neural connections, leading to the formation of cross-sensory mappings, a core principle of learning through association, often summarized by the phrase “cells that fire together, wire together”

Liu and Lupytan further conclude:

“Cross-domain mappings involve a synergy between relatively conceptual and perceptual levels of processing.”

Cross-domain mappings involve a synergy between relatively conceptual and perceptual levels of processing. Synergy is the hallmark of intentional design, and such integration requires irreducible complexity. The wholeness of each sense is deeply interdependent with the functioning of others, such that if one is removed, the system begins to unravel.

Corel pro photos

For instance, without vestibular input, balance collapses; without proprioception, coordinated movement becomes impossible; without interoception, awareness of internal states and emotional regulation falter. These faculties are not independent modules that could have evolved separately and later been stitched together. Rather, they are interdependent, functioning coherently only as parts of an integrated whole.

Evolutionary explanations struggle here because they rely on gradual, stepwise development. Yet an interdependent multisensory system requires simultaneous emergence of dozens of faculties, each dependent on the others for coherent functioning.

Blind undirected selection cannot easily account for how or why such a complex, integrated network would arise, nor why it would persist universally across humanity. Intelligent design interprets this seamless blending as evidence of intentional architecture; a mind and body structured to experience not merely survival, but selfhood, unity, and meaning.

Scriptural Reflection

Liu and Lupytan’s work reinforces yet another example of the remarkable complexity of human systems that evolutionary explanations struggle to account for. The innately irreducibly complex and unified structure of human perception instead points to intelligent design.

Scripture affirms the wisdom of God in creating the senses. Proverbs 20:12 declares: “The hearing ear and the seeing eye, the Lord has made them both.” The integration of hearing, sight, touch, smell, balance and all other human perceptions into unified meaning is not accidental; rather, it is the work of the Creator.

As Colossians 2:3 reminds us: “In Christ are hidden all the treasures of wisdom and knowledge.”, the human mind’s capacity to unify disparate domains reflects the wisdom of the Designer, who created us to seek and discover meaning.

Dr. Sarah Buckland-Reynolds is a Christian, Jamaican, Environmental Science researcher, and journal associate editor. She holds the degree of Doctor of Philosophy in Geography from the University of the West Indies (UWI), Mona with high commendation, and a postgraduate specialization in Geomatics at the Universidad del Valle, Cali, Colombia. The quality of her research activity in Environmental Science has been recognized by various awards including the 2024 Editor’s Award from the American Meteorological Society for her reviewing service in the Weather, Climate and Society Journal, the 2023 L’Oreal/UNESCO Women in Science Caribbean Award, the 2023 ICETEX International Experts Exchange Award for study in Colombia. and with her PhD research in drought management also being shortlisted in the top 10 globally for the 2023 Allianz Climate Risk Award by Munich Re Insurance, Germany. Motivated by her faith in God and zeal to positively influence society, Dr. Buckland-Reynolds is also the founder and Principal Director of Chosen to G.L.O.W. Ministries, a Jamaican charitable organization which seeks to amplify the Christian voice in the public sphere and equip more youths to know how to defend their faith.