Don a virtual reality headset, observe a stranger\u2019s cheek being caressed while a researcher equally strokes your own in perfect synchronization, and an unusual phenomenon occurs. The other face begins to feel like it belongs to you. Not in a metaphorical sense. The brain, receiving consistent signals from the eyes and skin, discreetly categorizes the borrowed characteristics under \u201cme.\u201d This is one of the longstanding techniques in cognitive neuroscience, and it tends to work on nearly everyone to some extent.<\/p>\n
What a group at the Universit\u00e0 Cattolica del Sacro Cuore in Milan sought to discover was whether certain individuals are more susceptible to this phenomenon than others. Furthermore, they questioned whether the years spent scrolling through Instagram might subtly influence the outcomes.<\/p>\n
The logic follows like this. Your perception of owning a body is not simply given to you at birth and left unattended. It is constructed, moment by moment, from signals coming from within (heartbeat, limb positioning, digestive activity) and from outside (visual input, tactile sensations). The brain integrates these two streams into a single, unwavering belief: this body is mine, and I am distinct from everyone else. When that integration falters, the boundaries of the self become somewhat permeable. Body illusions serve as a method to precisely gauge how permeable those boundaries are.<\/p>\n
Thus, the researchers, led by Maria Sansoni with oversight from Giuseppe Riva, enlisted 95 young adults and subjected them to two types of illusions. One focused on the face, while the other encompassed the entire body.<\/p>\n
The participants had an average of nearly eight years on Instagram and approximately an hour spent on the platform daily. Following the simultaneous stroking, they evaluated how much the virtual face or body resembled their own. Subsequently, the team compared these evaluations against each person’s history as an Instagram user, their daily usage, and whether they employed beauty filters.<\/p>\n
Here is the surprising aspect, even for the authors. The longer an individual’s Instagram history, the more easily they accepted the stranger\u2019s face as theirs. A kind of cumulative effect building over years rather than just minutes.<\/p>\n
The fact that the effect manifested specifically on the face is what adds significance to the finding. Faces are not comparable to elbows. They are the part of us most laden with identity, the aspect we examine in a mirror, the feature that allows others to identify us in a crowd. Bodies, despite their mass, carry significantly less of that identity weight, which is roughly why the same illusion is much harder to achieve on an entire body as opposed to a face. Riva articulates it simply: \u201cit is through our faces that we recognize ourselves in the mirror, construct our individuality, and are recognized by others. In other words, the association does not arise from any body representation but specifically from the part of the body most intimately connected to our sense of who we are.\u201d<\/p>\n
The team has coined a term for what they believe is happening: the Digital Erosion of Bodily Identity Hypothesis. Spending years immersed in a feed where, due to similar filters and beauty standards, everyone somewhat resembles each other, may gradually blur the perceptual boundaries between your face and those of others. If everyone appears similar, the reasoning goes, then on some unconscious level, everyone is the same. Including you.<\/p>\n
There was a second, less robust signal. Individuals who utilized beauty filters exhibited greater susceptibility to the full-body illusion, particularly in the dimension of agency (the sensation of controlling the virtual body). However, only 12 participants reported using filters at all, so the authors regard this finding as exploratory, requiring a much larger sample size before drawing any firm conclusions.<\/p>\n
Now for the truly counterintuitive aspect. One might anticipate that extensive Instagram use correlates with poorer body image, increased dissatisfaction, and more of the appearance-related anxiety for which the platform is often held responsible. That was not the case. Time spent on the app showed no correlation with body image concerns, nor with interoception, the brain’s reading of its internal signals. The issues discovered by the researchers were not related to how individuals felt about their appearances, but rather a deeper layer concerning how coherently the body is integrated into a sense of self at all. This represents a different, and arguably more perplexing, kind of concern.<\/p>\n
A few significant caveats loom large here, and the authors do not shy away from acknowledging them. The study is cross-sectional, capturing a single moment in time, therefore it cannot establish that Instagram causes any of these effects; heavy users might inherently have more flexible bodily selves. The sample was small, predominantly White, and mostly university-educated. And no one is asserting that the platform causes illness.<\/p>\n
What this research does is shift the inquiry<\/p>\n","protected":false},"excerpt":{"rendered":"
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