24/01/2026
Think you only have five senses? New research says you may have 33.
Most of us grow up believing we have just five senses: sight, hearing, smell, taste, and touch.
But modern neuroscience paints a far richer picture, suggesting humans may have between 22 and 33 interacting senses that constantly work together to build our experience of the world.
Beyond the classic five, we rely on proprioception (our awareness of where our limbs are), the vestibular system for balance, and interoception, which monitors internal states like hunger or heart rate. We also have a sense of agency (the feeling that we are the ones causing our movements) and a sense of body ownership (the feeling that our limbs belong to us) – both of which can be disrupted in some stroke patients. Even traditional senses turn out to be composites: touch includes pain, temperature, itch, and pressure, while “taste” is actually a blend of taste, smell, and touch that produces what we call flavor.
Because our senses are so intertwined, changing input in one channel can subtly alter how we experience another. The smell of shampoo can change how silky hair feels, and aromas in low‑fat yogurt can make it seem creamier without adding fat. In noisy environments like airplane cabins, background sound can dampen perceptions of salt, sweet, and sour, while leaving savory umami flavors—such as those in tomato juice—relatively enhanced, which helps explain why certain foods taste better in flight. Visual experience is also shaped by the balance system: in a climbing airplane, the cabin may appear tilted because the inner ear signals that the body is leaning back. These everyday illusions and cross‑sensory effects, explored in research projects and interactive exhibitions such as “Senses Unwrapped,” highlight how perception is a continuous negotiation among many senses rather than a simple sum of five.
References
Spence, C. (2015). Rethinking the senses: Multisensory integration in everyday life. *The Psychologist, 28*(2), 112–115.