← Wine guide

How the environment fools taste - the research of Charles Spence

We tend to think that the taste of a drink depends solely on what we have in the glass or cup. Yet science shows something surprising, namely that our environment really changes how we perceive any drink. Light, music, the color of the plate, the shape and weight of the vessel, and even the sounds we hear can affect whether a drink seems sweeter, more bitter, stronger or more pleasant to us. What is more, this influence works even on professionals and experienced tasters. These fascinating phenomena are studied by Charles Spence, a British professor from Oxford, the founder of a field called gastrophysics. His work shows how greatly our perception of taste is multisensory and susceptible to factors outside the drink itself. Here is what Spence discovered, how the environment fools our senses, and what it means for the thoughtful tasting of wine, coffee, beer and tea. It is knowledge that changes the view of what taste really is.

What gastrophysics is

Gastrophysics is a relatively new field of science, pioneered by Charles Spence, the professor heading the crossmodal research laboratory at the University of Oxford. It deals with the scientific study of the factors that influence our multisensory experience while eating and drinking. In other words, gastrophysics studies all that, beyond the taste of the drink or dish itself, shapes our impressions. Spence and his team have studied for years how various elements of the environment, such as color, sound, the weight of the vessel or lighting, affect what we feel while eating and drinking. The conclusions are clear, namely that taste is not born solely on the tongue but in the brain, which fuses signals from all the senses. Gastrophysics shows that our taste sensations are in fact multisensory and deeply dependent on context. This approach revolutionizes the understanding of taste, shifting attention from the drink itself to the whole experience of consuming it. Thanks to gastrophysics we know today that tasting is far more than the chemistry in the glass.

Color changes taste

One of the most surprising discoveries is how strongly color affects the perception of taste. Research by Spence team showed that the color of the vessel in which we serve a drink or dish can really change what we feel. For example, the same snack served in a vessel of a certain color can seem sweeter than served in another. The color red is sometimes associated with sweetness, so it can heighten the impression of a sweet taste. This shows that our brain combines visual information with what we feel in the mouth, and lets sight influence taste. In the case of drinks this means that the color of the glass, the cup or even the drink itself can change our impressions. The same wine or the same coffee can seem different depending on the color of the surroundings. This discovery overturns the intuition that taste depends solely on the composition of the drink. In reality sight is a powerful co-creator of taste sensations, and color can subtly but really fool our senses, changing what we think we feel.

The weight of the vessel matters

Another surprising factor is the weight of the vessel from which we drink or eat. Research showed that a heavier vessel or cutlery can make a drink or dish seem better, more valuable and more intense. When we hold a solid, heavy glass or cup in the hand, our brain subconsciously associates this weight with quality and luxury, which translates into a better perception of what we drink. The same wine served in a light, plastic cup and in a heavy, elegant glass can seem entirely different, although inside is exactly the same drink. The weight of the vessel thus acts like a hidden cue that disposes us positively or negatively before we have even tasted. This shows how greatly touch and the sense of weight affect the perception of taste. This effect is a valuable lesson, because it makes clear that even a seemingly insignificant element, like the weight of the cup, shapes our sensations. The choice of the right vessel is therefore not just a matter of aesthetics but really affects how a drink tastes to us.

Music and sound

Equally fascinating is the influence of sound and music on the perception of taste, a phenomenon sometimes called sonic seasoning. Spence research showed that music playing in the background can change how we perceive a drink or dish. Certain kinds of sounds can emphasize sweetness, others bitterness, and still others affect the perceived intensity of taste. High, delicate sounds tend to be associated with sweetness, and low, deep ones with bitterness or dryness. This means that the same coffee or the same wine can seem sweeter or more bitter depending on the music we listen to while drinking. Sound also affects the pace and way in which we eat and drink. This discovery shows that even hearing, seemingly unrelated to taste, is its co-creator. Music in a restaurant, a cafe or at home is therefore not just a background but actively shapes our taste sensations. A conscious choice of sound can even strengthen or weaken particular notes of a drink, which makes sonic seasoning a fascinating tool.

Shape and form

The perception of taste is also influenced by the shape of the vessel and the form in which we serve a drink. Research shows that rounded and curved shapes tend to be associated with sweetness, and angular and sharp ones with bitterness or dryness. This association means that a drink served in a vessel of a certain shape can seem different from the same drink in a vessel of a different form. The shape of a wine glass has long been considered important for the perception of aroma and taste, and gastrophysics adds to this deeper, sensory links. The form of the vessel acts as another cue that the brain interprets, disposing us toward a particular sensation. This shows that even abstract features, like roundness or angularity, can affect what we feel in the mouth. The links between shape and taste are deeply rooted in our mind and work independently of our will. The choice of vessel shape thus becomes another subtle way of influencing the perception of a drink, showing how multisensory and context-dependent our experience of taste is.

It works even on professionals

One might think that experienced tasters and professionals are immune to these tricks of the environment, but research shows the opposite. The influence of context on the perception of taste works even on experts, because it stems from deep, subconscious mechanisms of the brain that cannot easily be switched off. Even a skilled taster, assessing wine or coffee, can fall under the influence of lighting, music, color or the weight of the vessel, often without realizing it. This shows that no one is entirely free from the effect of the environment on the senses. Professionalism and experience help in analysis but do not make a person immune to the multisensory nature of perception. It is an important lesson in humility, because it makes clear that our judgments always arise in some context that influences them. Awareness of this is valuable, because it lets tasters take environmental factors into account and try to control them. The fact that even professionals fall under these influences vividly shows how powerful and universal the influence of context on what we feel is.

Why the brain works this way

To understand these phenomena, one must remember that taste does not arise solely on the tongue but in the brain, which fuses signals from all the senses into one coherent impression. The brain constantly combines visual, auditory, tactile and smell information with what we feel in the mouth, creating a whole taste sensation. That is why color, sound, weight or shape affect perception, because for the brain they are part of the same experience. This way of working has its logic, because in nature all the senses together help us assess food and surroundings. The brain learns associations, for example that something red tends to be sweet, and uses them to interpret sensations faster. These associations, though usually helpful, also make it possible for the environment to fool us. Understanding that taste is a construction of the brain fusing many senses explains why context affects it so strongly. This fascinating view shows that the perception of taste is an active, creative process, not a passive readout of the chemistry of a drink. Taste is born in the mind.

What it means for tasting

Knowledge of the influence of the environment on taste has real significance for thoughtful tasting. Above all it teaches that, to assess a drink reliably, it is worth controlling the conditions in which we taste it. A neutral environment, suitable lighting, the absence of distracting music and the right vessel help us focus on the drink itself and limit the influence of external factors. That is why professional tastings often take place in carefully controlled conditions. On the other hand, this knowledge also lets us consciously use the environment to enhance the pleasure of drinking. Well-chosen light, music and vessel can make the experience fuller and more satisfying. For the taster it is a lesson to take context into account and not to treat their impressions as absolutely objective. Awareness that the environment affects taste makes us better, more reflective tasters. It lets us separate what comes from the drink itself from what the environment adds. This makes tasting a richer and more conscious experience, in which we understand how our impressions arise.

What Spence teaches us

The research of Charles Spence and gastrophysics is more than a collection of curiosities about the senses. It is a deep lesson about the nature of taste, which turns out to be not a simple property of a drink but a multisensory construction of our brain. Spence showed that light, music, color, the shape and weight of the vessel really change what we feel, and that even in professionals. This discovery teaches humility toward our own senses and makes clear how greatly our sensations depend on context. For the lover of drinks it is an encouragement to look at tasting more broadly, seeing the whole experience and not just the contents of the glass. This knowledge lets us both assess more reliably and enjoy drinking more fully, consciously shaping the environment. Gastrophysics reminds us that taste is born in the mind, at the meeting point of all the senses. This fascinating view enriches our understanding of what the pleasure of drinking wine, coffee, beer or tea is. By appreciating the role of the environment, we become more conscious and sensitive participants in every taste experience.

Key takeaways

Charles Spence, the founder of gastrophysics, showed that our environment really changes the perception of any drink. The color of the vessel can heighten sweetness, a heavier glass makes a drink seem better, and music and sound affect the perceived sweetness or bitterness. The shape of the vessel matters too, with rounded forms associated with sweetness and angular ones with dryness. Crucially, these influences work even on experienced tasters, because taste arises in the brain fusing all the senses, not solely on the tongue. For thoughtful tasting this means it is worth controlling the environment to assess a drink reliably, while it can also be consciously used for greater pleasure. Taste is a multisensory construction of the mind, susceptible to context. If you enjoy such topics and want to taste thoughtfully, GustoNote will help you keep your own journal.