09/22/2026
🧠 Understanding Dementia: The Filing Cabinet Analogy 🗄️
Ever wondered why a loved one with dementia remembers a childhood memory perfectly, but can’t recall what happened an hour ago?
A helpful way to understand how dementia affects the brain is to picture a filing cabinet.
Each folder inside holds something important—memories, names, daily appointments, skills, and life experiences. The cabinet is still there, but the filing system itself starts to break down.
Here is what happens inside that cabinet:
Misfiled: The information exists, but it’s stored in the wrong place.
Mislabeled: A memory comes up, but the details are mixed up or inaccurate.
Hard to Reach: The folder is still there, but access comes and goes or takes much longer to pull.
Missing: The information simply cannot be found.
💭 What This Looks Like in Real Life
Recognizing a familiar face instantly, but being unable to pull up their name.
Remembering an event from 30 years ago in vivid detail, but forgetting breakfast.
Feeling 100% confident about a fact that is actually incorrect.
💡 Why Reasoning Doesn’t Always Work
When someone with dementia insists on something that isn't true, they aren't ignoring logic or trying to be stubborn. From their perspective, they are simply reading the exact folder their brain handed them. They are doing their best to navigate with faulty or incomplete files.
When files are missing or out of place, it naturally causes anxiety, defensiveness, or a refusal of help. Insisting they are right is often just a defense mechanism against a world that feels increasingly confusing.
💛 The Key Takeaway
They aren't being difficult—they are working with a system that is no longer organizing information correctly.
A gentle way to frame this with a loved one or family member:
"It’s not about what you know. Sometimes, as the brain changes, the files just aren't where they used to be."
This simple perspective keeps dignity intact while opening the door to support.
Always see the person, not just the disease.
💙 Black Hills Center for Aging is here to support you and your family through every stage of the journey. Reach out to learn more about our local resources, educational programs, and caregiver support.
💬 Has this analogy helped you understand a loved one's experience? Share your thoughts or tag someone who might find this helpful today.