A woman walking through a sunlit doorway from the living room into the kitchen

Notes on Space · 05

Ever Walked Into a Room
and Forgotten Why?

The curious connection between doorways, memory and the spaces we move through.

You get up from the sofa and head to the kitchen.

You walk through the doorway, stop for a second, look around and think:

Wait… what did I come here for?

You stand there trying to remember. Maybe you open the fridge, hoping it'll give you a clue. Nothing.

Then you walk back to the living room and suddenly remember.

Sound familiar?

It's one of those funny little moments we all experience. But what's particularly interesting is that the doorway itself might have something to do with it.

The doorway effect: when changing rooms changes context

Researchers have studied a phenomenon known as the doorway effect.

In certain situations, walking from one room into another can make it harder to remember something we were just thinking about.

Why?

One explanation comes from a concept in cognitive psychology called event segmentation.

Our minds don't experience everything as one continuous, uninterrupted story. Instead, we organise our experiences into smaller events.

Making breakfast. Answering emails. Having a conversation. Moving from one room to another.

These events have beginnings and endings, and our surroundings can help define them.

A doorway is one of those physical boundaries that may signal a change of context.

As we enter a new room, our mind may begin processing a new event, making information connected to the previous one a little harder to retrieve.

It's almost like turning a page in a book.

The previous page hasn't disappeared. We're simply paying attention to a new one.

Of course, this doesn't happen every time we cross a doorway. Research suggests that context, memory demands and cognitive load all play a role.

Still, it's a fascinating reminder that even something as ordinary as moving between rooms can interact with the way we think.

A doorway is more than an opening

In architecture and interior design, we usually think about doorways in practical terms.

They connect spaces, organise circulation, provide privacy and separate functions.

But a doorway can also represent a transition between two different experiences.

Think about moving from a busy kitchen into a quiet bedroom.

Or leaving an open plan office to enter a small, enclosed focus room.

Or walking from a lively hotel lobby into a softly lit spa.

In each case, we're not simply changing our physical location.

We're entering an environment with different expectations, activities and sensory conditions.

And the transition itself can help us recognise that change.

Designing the moments in between

When we design a space, it's natural to focus on the rooms themselves.

How should the living room feel? Where should the workspace be positioned? What lighting would work best in the bedroom?

But what about the moments between those spaces?

The doorway. The corridor. The change in flooring. The shift from bright light to softer illumination.

These details may seem secondary, yet they help shape how we move through and understand an environment.

Consider a workspace designed for both collaboration and concentration.

A transition from a lively shared area to a quiet focus zone might be supported by a change in acoustics, lighting, visual complexity or enclosure.

In a home, the passage from a work area to a place of rest might be made more distinct through spatial separation and sensory cues.

In hospitality, a gradual transition from a busy entrance to a calmer interior can help establish a different atmosphere.

None of this means that a particular doorway design will improve memory or prevent distraction. The research on the doorway effect doesn't establish that.

Rather, it invites us to think more carefully about how physical boundaries and changes in context contribute to the experience of a place.

Sometimes a transition should feel clear and deliberate.

Other times, it should feel almost invisible.

The interesting design question is knowing when each approach makes sense.

What happens between spaces matters, too

At Mind Friendly Spaces, I'm interested in the relationship between our environments and the way we feel, think and behave within them.

The doorway effect is a small but intriguing example of that relationship.

It doesn't give us a ready made design rule. Instead, it raises a question worth exploring:

If moving from one space to another can influence how we organise experiences, shouldn't we pay more attention to the transitions we create?

Perhaps thoughtful spatial design isn't only about creating beautiful or functional rooms.

It's also about considering the journey between them.

Because sometimes, the most interesting part of a space isn't the room itself.

It's what happens as we move from one to another.

And next time you walk into the kitchen and forget why you're there?

Maybe give yourself a moment before blaming your memory.

Your mind might just be turning a page.

A little science behind this note

The doorway effect has been investigated in cognitive psychology through studies of memory and changes in location.

Further reading

Radvansky, G. A., & Copeland, D. E. (2006). Walking through doorways causes forgetting: Situation models and experienced space. Memory & Cognition, 34, 1150–1156.

Radvansky, G. A., & Krawietz, S. A. (2011). Walking through doorways causes forgetting: Further explorations. Quarterly Journal of Experimental Psychology, 64(8), 1632–1645.

Radvansky, G. A., & Copeland, D. E. (2011). Walking through doorways causes forgetting: Event structure or updating disruption? Quarterly Journal of Experimental Psychology, 64(4), 609–614.

These studies explore relationships between event boundaries and memory. They should not be interpreted as evidence that specific architectural design choices directly improve cognitive performance.