THE RESEARCH DESK → MATERNAL BRAIN

MENTAL LOAD

The Invisible Work of Being the Person Who Remembers Everything

The Invisible Work of Being the Person Who Remembers Everything

A research-grounded look at the planning, anticipating, remembering, and monitoring that can make motherhood feel like running a company no one else knows they work for.

A research-grounded look at the planning, anticipating, remembering, and monitoring that can make motherhood feel like running a company no one else knows they work for.

7 MIN READ

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GOOD EVIDENCE

Open monthly planner with a pen and sticky note

THE 30-SECOND VERSION

Because sometimes you don’t have time to read 14 pages of a journal article.

WHAT THEY STUDIED

Researchers have increasingly distinguished between doing household tasks and managing the mental work surrounding them: anticipating needs, planning what needs to happen, making decisions, and monitoring whether things actually get done.

WHAT THEY FOUND

Research suggests that cognitive household labor is often distributed less equally than physical chores. In a 2024 study of 322 mothers of young children, mothers reported taking on a larger share of cognitive household labor than their partners, and that burden was associated with several measures of psychological wellbeing.

WHAT IT MEANS

Doing the grocery shopping is one task. Remembering that you’re almost out of groceries, figuring out what everyone will eat this week, checking what is already in the refrigerator, making the list, noticing that the toddler suddenly hates bananas, and remembering to actually order everything is a different kind of work.

WHAT WE DON’T KNOW

Researchers are still developing better ways to measure mental load. Many studies rely on self-report, and observational research cannot establish that unequal cognitive labor directly causes depression, stress, burnout, or relationship problems.

THE DEEP DIVE

THE CHORE IS NOT THE WHOLE JOB

Someone has to remember the dentist appointment.

Not just drive to the dentist.

Someone has to notice that the appointment needs to be scheduled in the first place.

Then find the number. Then call. Then compare available times with school pickup. Then put it on the calendar. Then remember that the appointment is next Tuesday. Then make sure someone actually takes the child.

The driving is visible. The thinking that makes the driving possible is much easier to miss.

Researchers have a name for this kind of work: cognitive household labor.

MENTAL LOAD IS MORE THAN “HAVING A LOT TO DO”

The phrase mental load gets used casually, but researchers have been working toward a more precise definition.

In her 2019 study, sociologist Allison Daminger described cognitive household labor as involving four related processes:

ANTICIPATING

Recognizing that something will need to happen.

IDENTIFYING

Figuring out the available options for meeting that need.

DECIDING

Choosing what to do.

MONITORING

Keeping track of whether the plan actually happened.

These steps can happen long before anyone performs the physical task itself.

Daminger’s study was based on 70 in-depth interviews with members of 35 couples. She found that women in the study performed more cognitive labor overall, particularly the anticipation and monitoring portions of the process.

The distinction matters because two people can appear to “share the chores” while one person remains responsible for making sure the entire system keeps running.

THE PERSON WHO NOTICES

This may be the most frustrating part of mental load. Someone has to notice.

The diapers are almost gone. The permission slip is due Friday. The pediatrician said the next appointment should happen in six months. The winter clothes don’t fit anymore. The school calendar says there’s no school next Thursday. The birthday party needs a gift. The refrigerator contains ingredients, but not an actual dinner.

None of these things necessarily looks like a task. But each one creates a task. And the person who consistently notices becomes the person who is responsible for converting invisible problems into visible actions.

WHAT THE RESEARCH SAYS

A 2024 study published in Archives of Women’s Mental Health examined cognitive and physical household labor among 322 mothers of young children.

The researchers found that mothers reported responsibility for significantly more household labor than their partners. The difference was particularly pronounced for cognitive labor.

On average, mothers reported responsibility for approximately 72.6% of cognitive household labor compared with 27.4% for their partners. For physical household labor, the reported split was approximately 63.6% compared with 36.4%.

The researchers also found that a greater reported burden of cognitive labor was associated with depression, stress, burnout, overall mental health, and relationship functioning.

These findings are important. But they need a footnote. The study was based on mothers’ self-reports and was observational. It cannot establish that cognitive labor directly caused these outcomes, nor can it tell us exactly how the relationships work in both directions.

It does, however, provide quantitative evidence for something researchers have been describing qualitatively for years: the thinking work of running a household is a measurable form of labor, and it may matter for wellbeing.

THE PART THAT IS HARD TO EXPLAIN

Physical chores are often easier to see. You can point to a sink full of dishes. You can point to a pile of laundry. You can point to the person who took out the garbage.

Cognitive labor is different. The work may be successful precisely because nobody notices it. The pediatric appointment happens. The groceries appear. The school form gets signed. The birthday present arrives. The child has the right shoes for soccer. The family leaves the house on time.

From the outside, everything simply appears to work. That can make the person maintaining the system feel strangely invisible.

IT IS NOT JUST “WHO DOES MORE”

One of the most useful contributions of this research is that it complicates the familiar chore-counting conversation.

Imagine two parents. Parent A cooks dinner three nights a week. Parent B cooks dinner three nights a week. Looks equal.

But suppose Parent B is also the person who notices what food is running low, plans the meals, checks everyone’s schedules, searches for recipes, makes the grocery list, orders the groceries, remembers the toddler’s food preferences, and thinks about tomorrow’s dinner while eating tonight’s.

The physical task may be divided evenly. The cognitive system surrounding it may not be. That distinction is at the heart of the mental-load conversation.

AND THEN THERE’S WORK

For mothers who are also employed, the mental load does not necessarily stop when the workday begins.

Recent research has begun examining the relationship between cognitive household labor and women’s work experiences. A 2025 study of 263 people found that women reported disproportionate cognitive household labor, which was associated with emotional exhaustion and, in turn, poorer work-related outcomes. Among mothers, the relationship was particularly tied to disproportionate responsibility for childcare.

Again, this was observational research, so it does not prove a simple cause-and-effect pathway. But it raises an important question: What happens when the person managing the household in their head is also expected to perform at full capacity at work?

THE “JUST ASK FOR HELP” PROBLEM

This is where the conversation can get uncomfortable.

If one person is responsible for noticing every task, assigning every task, explaining every task, and following up on every task, then asking that person to “delegate better” can accidentally give them another job: managing the delegation.

That doesn’t mean partners can’t divide household responsibilities differently. It means there is a meaningful difference between “Tell me what I should do.” and “I own this.”

Ownership means noticing the need, figuring out what has to happen, making it happen, and following through without requiring another person to act as project manager.

The research on cognitive labor doesn’t prescribe one perfect arrangement for every family. But it gives us better language for understanding why simply splitting a list of chores may not make the mental load feel evenly distributed.

WHAT WE DON’T KNOW

This field is still relatively young. Researchers are still figuring out how best to measure cognitive labor and distinguish it from related concepts such as emotional labor, time pressure, stress, and general household workload.

Many studies use self-report measures. Samples are often limited. And because much of the research is correlational, we should be careful about saying that mental load directly causes depression, burnout, or relationship dissatisfaction.

It is also possible for the relationship to run in multiple directions. For example, relationship dissatisfaction could influence how someone perceives or reports an unequal division of labor. Good research leaves room for those possibilities.

SO WHAT IS THE POINT?

The point isn’t that mothers should keep score. It isn’t that every household needs a perfectly mathematical 50/50 split. And it isn’t that fathers or partners never carry invisible responsibilities.

The point is that household work has a cognitive dimension that is easy to overlook. Once we can name it, we can actually talk about it.

Instead of: “You never help.”

The conversation can become: “Who is responsible for noticing this needs to happen?”

That is a much more useful question.

WHAT THE RESEARCH SAYS

Cognitive household labor is not simply “worrying about stuff.” Researchers describe it as a set of identifiable activities—including anticipating needs, identifying options, making decisions, and monitoring progress—that help keep household and family life functioning.

Someone has to notice.

Someone has to notice.

WHAT THE RESEARCH SAYS

Cognitive household labor is not simply “worrying about stuff.” Researchers describe it as a set of identifiable activities—including anticipating needs, identifying options, making decisions, and monitoring progress—that help keep household and family life functioning.

THE STUDY

Cognitive household labor: gender disparities and consequences for maternal mental health and wellbeing

Elizabeth Aviv, Yael Waizman, Elizabeth Kim, Jasmine Liu, and Darby Saxbe

Archives of Women’s Mental Health

2024

Cross-sectional observational study using self-report measures

322 mothers of young children

READ THE ORIGINAL STUDY →

READ THE SYSTEMATIC REVIEW →

READ THE REVIEW →

WHAT TO TAKE AWAY

01

The work of running a household includes more than physical chores. Planning, anticipating, deciding, and monitoring are forms of cognitive labor.

02

Research suggests cognitive household labor can be more unevenly distributed than physical household work.

03

In a 2024 study of 322 mothers of young children, mothers reported doing about 73% of cognitive household labor on average.

04

Higher reported cognitive-labor burden was associated with depression, stress, burnout, mental health, and relationship functioning—but the observational design means we cannot say the burden directly caused those outcomes.

05

Sometimes the most useful question isn’t “Who does the chore?” It’s “Who is responsible for making sure the chore gets noticed, planned, and completed?”

A NOTE ON THE EVIDENCE

Mental load is an emerging research area, and terminology varies across studies. “Cognitive labor,” “mental load,” “household management,” and “invisible labor” overlap but are not perfectly interchangeable concepts. The strongest version of this article should therefore avoid presenting one study as proof of a universal experience. The research supports a more modest—and arguably more useful—conclusion: The cognitive work required to run a household is real, measurable, often unevenly distributed, and worthy of further study.

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