Trajectories No. 9: Differences cannot be explained, they inhabit
Trajectory of Luisa Zaccarelli, Psychotherapist
Project Introduction — Trajectories
Traiettorie is the newsletter of The Developmental Library, a community-driven space for anyone navigating the world of developmental and life-course psychology.
Every month we give a voice to professionals and scholars who tell their story with authenticity: the daily work, the tools they use, the resources they find valuable, the questions that still run through them. We don't look for linear careers or perfect answers — we look for situated experiences, plural points of view, different trajectories.
Psychologists, therapists, psychiatrists, researchers, teachers, and students: if you're passionate about psychology throughout your life, this space is yours too.
Newsletters come out on the 23rd of each month. If you would like to contribute as Voice of the Month — or share resources, insights, reflections — write by the 15th at thedevelopmentallibrary@gmail.com or fill out this form.
Introduction to the theme of September
In every psychological journey, there are moments when a diagnosis arrives not as clinical data, but as a framework that finally allows us to reread an entire life. The child who "didn't apply himself," the adult "too rigid": scattered fragments that, one by one, seemed like character flaws, and which instead —put in the right light— reveal themselves to be the way a mind has always functioned, seeking a place in a world calibrated to another norm.
In this sense, the diagnosis is not the photograph of what is broken, but a map of how a mind works. It doesn't take away complexity from the person: it gives them a language to recognize themselves, and at the same time a direction in which to look at what until then might have seemed like just a burden to be carried in silence.
In this issue of the newsletter, we enter the clinical room of those who have been accompanying adults through this transition for years, to discover how a late diagnosis can turn not into an addition of problems, but into the end of a guilt that has been carried for decades.
There is a moment, in so many first visits, when the adult person in front of me says a version of the same sentence: "I always thought I was wrong." Not "different", not "my way". Wrong. It is from that phrase, repeated in dozens of rooms, that The Room of Differences was born.
I spent years evaluating, diagnosing, returning profiles. And I learned something that no manual had told me with this clarity: the diagnosis, when it reaches adulthood, is almost never clinical news. It's a biographical rewrite. The person is not discovering a label — is rereading their entire life in light of a frame they finally hold. The child who "didn't apply himself," the adolescent "too sensitive," the adult "who couldn't stick to unwritten rules": suddenly they weren't character flaws, but the way a neurodivergent mind traversed a world calibrated to another norm.
The book comes from here. It is not a diagnostic manual and it is not a memoir. It's an attempt to hold together the two things that have always risked being in separate rooms in my training: the rigor of the data — I'm a neurobiologist before I'm even a psychotherapist, and I won't give up on numbers, tests, and related topics— and the part that numbers don't capture, that is, what it means to feel neurodivergent in a life that has asked you for years to look like someone else. It's no coincidence that the first room of differences I talk about, in the first pages, is mine.
There is an Adlerian legacy, in this gaze, that I feel deeply mine. Adler did not look at the symptom as a fault to be repaired, but as a movement of the person within his field of relationships — an attempt, often clumsy, often costly, to find a place and meaning. Translated on neurodivergence: masking, hyper-adaptation, the effort of years spent going unnoticed are not pure pathology, they are strategies. They are the way a person tried to belong to a world that did not contemplate them. Clinical work, then, is not taking away those strategies — it is returning them to the person as choices, no longer as cages.
A small case (details edited and anonymized, as always, to protect identity). A woman in her forties arrives at the studio, a profession of responsibility, competent, esteemed. She asks for an assessment "because at work they say I'm stiff and sometimes rude, and I don't notice that." During the assessment, an unrecognized autistic profile emerges: sensory hypersensitivity managed by a life of strict control, difficulty implicitly reading intentions compensated by rules learned by heart, a chronic exhaustion that she simply called "tiredness." At the time of return he does not cry over the diagnosis. She cries afterward, when I tell her, "It's not that she's rude and needs to learn not to be. It's just that she spent thirty years of energy looking kind, and no one ever told her it was costing her everything." That sentence was not a technique. It was recognition of an invisible job she had done alone, for decades, without a map. The diagnosis, that day, did not add a problem: it removed a fault.
I chose the title because the room is where I work, but it's also a metaphor that I carry within me. The clinical room, when it works, is a space where the difference should not be explained or corrected, but inhabited together. My job is not to take the person to my mountain. It's helping her climb hers.
One thing I often repeat, and which recurs in the book: a diagnosis is not a photograph of what is broken, but a map of how a mind works. Changing that preposition —from what's wrong to how it works— is perhaps the most important clinical gesture we make.
Quote of the month
"Don't listen to what a person says, but observe what they do. The meaning of a life is understood only by looking in which direction it moves."
— Alfred Adler
Recommended book
The room of differences. Stories of neurodivergence, diagnosis, and real life to understand, recognize, and begin breathing (Fabbrica dei segni, 2026). You can find it in bookstores and on Amazon. If I may recommend mine, it's not to sell it, but because it collects in readable form what I say in the room one person at a time.
A question to the community
What was the phrase —from a patient, a colleague, a book— that changed the way you look at your clinical work?
The Developmental Library was born out of a desire to share, and it is precisely thanks to sharing that it continues to grow. Whether you want to share your world of psychology in Trajectories, contribute to a Roots and Horizons section, or simply join one of our meetings — there's always a place for you in this library that grows thanks to the people who live there.
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