Do you remember that hug that made you feel, for a second, that everything was alright? Maybe it wasn’t the longest hug you’ve ever received, but it probably came at just the right moment. Now try to remember the last handshake you gave. You probably can’t. And that’s no coincidence.
Some physical contacts disappear instantly, while others remain in our memory for years. These kinds of contacts don’t usually reappear vividly, but rather linked to the sensations they evoked. It seems the body doesn’t forget so easily.
Affective tactile memory: What exactly is it?
For a long time, we’ve thought of touch as a practical sense, something that informs us about temperature, texture, or pressure. But science has begun to look in another direction. And what it’s finding is much deeper because human contact isn’t just perceived, it’s also remembered. And that memory isn’t cold or abstract; it’s emotional, bodily, and persistent.
Neuroscience calls it emotional tactile memory, and it’s not just about remembering that someone touched us, but about how that touch made us feel. And what’s most interesting is that this memory doesn’t reside solely in the brain, but also in the body.
Francesco Crucianelli sums it up: “A comforting touch doesn’t simply disappear; it can become a part of us.” This isn’t a metaphor, but a hypothesis supported by the way the brain integrates sensory signals with emotional and memory systems.
This means that when someone hugs us, caresses us, or holds us during an important moment, the brain doesn’t just register the event. It integrates it into networks related to emotion, security, and stress regulation. In other words, that contact isn’t filed away as mere data, but as a lived experience that can be reactivated later.
Therefore, remembering that contact can also reactivate part of the original bodily response, which implies that we don’t simply recall the hug or caress, but that, in a way, we can relive it.
When the Body Remembers
One of the most interesting ideas from this research is that memories of affectionate contact are embodied, meaning they aren’t stored solely as mental representations, but as associated bodily states.
Think of it this way: remembering an argument usually triggers thoughts. But remembering a meaningful hug can trigger a feeling of calm in the chest, relaxation in the shoulders, even a subtle decrease in bodily tension. It’s as if the body recognizes something before the mind can explain it.
This helps explain why certain touches, even years later, continue to have an emotional impact. It’s not simple nostalgia, but rather the activation of a memory system that doesn’t entirely distinguish between past and present emotions. That’s why when some people say they still remember how they felt, they aren’t exaggerating; they’re describing a type of memory that isn’t entirely verbal.
The Silent Language of Connection
Affective touch isn’t an add-on to the emotional experience; it plays a central role in how we relate to one another. In fact, we can distinguish between two types of touch. On the one hand, there’s purely functional or discriminative touch, like a quick handshake or touching an object.
On the other hand, there is affectionate touch: a caress, a hug, a hand that lingers a little longer than expected. This type of touch refers to slow, gentle stimulation perceived as pleasant and emotionally significant. In fact, it activates neural pathways linked to emotion, reward, and stress regulation. It’s not just sensory information; it’s a sign of security.
That’s why the touch of an attachment figure, especially in childhood, has such a profound impact. The developing brain learns not only from language or eye contact but also from how it is physically held. A child who is soothed with warm touch is not only calmed in that moment but also learns, implicitly, that the world can be safe.
What remains when the touch ends?
Ultimately, what science tells us is that we are not only what we consciously think or remember; we are also the sum of the contacts we have had and the way we have touched each other.
Some of those contacts are forgotten and reappear as feelings of calm and security, or even of alertness and rejection. And perhaps that’s why certain hugs seem to stay with us long after they’ve ended. Not because we remember them as an event, but because the body, in its own way of remembering, decided not to let go of them completely.
Source:
Crucianelli, L. et. Al. (2026) Memories that touch deeply: Toward a neurobiological model of affective tactile memory. Neuroscience & Biobehavioral Reviews; 186: 106685.
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