Memory and Thinking Assessment for Multiple Sclerosis: What to Expect

Updated 10 October 2026

A forgotten appointment, a lost thread in a conversation or a word that will not come can raise a quiet question: is this Multiple Sclerosis, tiredness or stress? A memory and thinking assessment is one way a clinical team looks for an answer, and many people arrive at it with little idea of what happens in the room.

This guide brings together what the Multiple Sclerosis Society, the Multiple Sclerosis Trust and the National Institute of Neurological Disorders and Stroke report about cognitive change, describes what a full assessment can involve and offers a slips table, a four-step plan for asking for one and a way to bring someone with you. Use it to prepare for a talk with your clinician, since only they can say what an assessment finds in your case.

How common memory and thinking changes are: what three Multiple Sclerosis sources report

Reported figures for cognitive change in Multiple Sclerosis do not line up, and it helps to see the spread before reading any single number. The Multiple Sclerosis Society says somewhere between 4 and 7 in every 10 people with Multiple Sclerosis will notice some change in memory or thinking, mostly mild to moderate, and adds that studies measure it in different ways. The Multiple Sclerosis Trust puts thinking and memory problems at around half of people.

Larger figures come from other pages. A Multiple Sclerosis Society research news item from September 2025 describes up to 70% of people with Multiple Sclerosis experiencing cognitive problems, drawn from over 4,000 volunteers in the UK Multiple Sclerosis Register, and says 1 in 4 had cognitive difficulties but little physical disability, which means their symptoms may be overlooked. The National Institute of Neurological Disorders and Stroke page says cognitive impairment, a decline in the ability to think, learn and remember, affects up to 75% of people.

Nothing here predicts what you will notice. Three of the pages describe the changes as common and variable, and the research news item adds that cognitive problems are not routinely assessed in clinical practice, which is one reason a person may need to raise the subject first.

The same Society page says everyone forgets things from time to time, and that forgetfulness is only worth addressing when it happens more than usual or affects what you want to do in a day. That is a useful test for deciding what to write down: slips that repeat, slips that change a plan and slips someone close to you has also noticed.

On a day with a noticeable lapse, a Daily check-in entry in Multiple Sclerosis Journey (by Health Journey Labs) can carry the fog line alongside sleep and fatigue, so the pattern is yours to describe later.

What a full Multiple Sclerosis memory and thinking assessment can involve, and why it may take two to three hours

The Multiple Sclerosis Society page on getting help says a doctor or the Multiple Sclerosis team can refer you to an occupational therapist, a clinical psychologist or a neuropsychologist, and that they may carry out a neuropsychological assessment. The page defines it as a way to find out which cognitive problems you are having and which personal strengths you can use to manage them.

The same page describes spoken and written tasks, done electronically, on paper or both. You may be asked to remember a list of words and recall them, to concentrate on a task and to do things you used to find easy. A full assessment can take about two to three hours, and a follow-up session explains what it showed.

List of memory and thinking tasks, by Multiple Sclerosis Journey

• Tasks that test memory, such as recalling a list of words after a delay.
• Tasks that test concentration, held for a stretch of time.
• Everyday skills you used to find easy, tried again in a structured way.
• Fatigue, unusual stress, low mood or a relapse, which the psychologist can take into account when reading the results.
• A follow-up session where the results are explained and strategies are suggested.

The page adds that cognitive changes may not come directly from Multiple Sclerosis. Stress and anxiety can affect memory and thinking too, and the National Institute of Neurological Disorders and Stroke page says depression can cause cognitive impairment and should be ruled out first. An assessment is a way of sorting these possibilities, and the sorting is done by the clinician, not by a diary.

After the visit, My Care Team in Multiple Sclerosis Journey can hold a short note on who referred you, which tasks were used and what the follow-up session is for.

An Multiple Sclerosis Journey table of slips and workarounds for the memory assessment

Test tasks capture a few hours of performance, and daily life holds the rest. A table of slips gives the clinician a view of the weeks between visits, with a note of what else was going on that day.

Slips and workarounds

Multiple Sclerosis Journey records five weeks of slips and how you worked around them.

The first column dates the event, the second says what happened in plain words, the third names the workaround that worked and the fourth records conditions that the psychologist said can affect results. The Multiple Sclerosis Society page lists fatigue, unusual stress, depression and a relapse as things an assessor can take into account, so the fourth column gives them the context they cannot see from the tasks alone.

Five or six rows across a month are plenty. Leave out guesses about cause: a slip on a hot, tired day is still a slip, and the clinician decides what it means. The guide to coping with fatigue when you look fine helps with the fatigue column.

A typed or voiced line in the Daily Journal of Multiple Sclerosis Journey records what slipped, and Custom symptoms let you name the slip in your own words, so the table grows one entry at a time.

Four steps to ask a clinician or the Multiple Sclerosis team for an assessment

The Multiple Sclerosis Society page says to speak to a doctor or the Multiple Sclerosis team if you or someone close to you notices cognitive symptoms, and that regular cognitive assessments, for example every year or two, can watch for change. The Multiple Sclerosis Trust page names a primary clinician or a Multiple Sclerosis specialist nurse as the first contact when cognitive issues make life difficult. That gives four short steps for asking.

Asking about an assessment

Multiple Sclerosis Journey gathers the slips table and monthly counts.

1. Gather the table of slips, a count of the days each month that a slip changed what you did and the date of any recent relapse.
2. Write one sentence for the opening of the visit: what you noticed, since when, and what it stops you doing.
3. Ask directly whether an assessment is suitable and who would carry it out, naming an occupational therapist, clinical psychologist or neuropsychologist if you want.
4. Before leaving, ask when you will hear about a referral and what to do if the problem changes first.

Step three is the one people skip. The question can feel large, but the Society page lists these three professions as possible referrals, so naming them gives the clinician an easy way to answer.

From Multiple Sclerosis Journey, we recommend putting the one-sentence opening at the top of your page (Multiple Sclerosis Journey checklist), because visits run short and the first minute sets the agenda. If the answer is not yet, ask what would change it and write the answer down in the clinician's words. Contact the clinic promptly if symptoms worsen sharply before any assessment date.

Exported from Multiple Sclerosis Journey, the Doctor Report gives one page of fog, fatigue and function entries that fits the first minute of the visit and leaves the clinician free to ask about details.

Taking someone close to you to the Multiple Sclerosis memory assessment

The Multiple Sclerosis Society page notes that family or friends sometimes notice cognitive changes first, and that it can be hard for everyone to know how to raise the issue. For some people it is a relief when someone else brings it up, because it makes the difficulties easier to talk about. The page suggests you might speak to your doctor or Multiple Sclerosis team together with those closest to you, and says a partner or family member may later be invited to a support session so they can help you practice new strategies.

A short table of who notices what keeps the conversation tidy. It also reminds you that your account and theirs describe different moments.

Your view and a close person's view

Multiple Sclerosis Journey compares the same weeks from two points of view.

Some people prefer to go alone and bring a written note from someone else instead, which is also fine. If you do bring someone, agree beforehand who speaks first and let them add a missing point when you signal. The guide to explaining Multiple Sclerosis to family who cannot see it can help start the conversation before the day.

For the weeks before the visit, Multiple Sclerosis Journey keeps your own entries in one dated history, so the clinician hears your account and a close person can add theirs without either of you relying on memory.

Diaries, calendars, and whiteboards: Multiple Sclerosis memory supports you already use

Assessment aside, the Multiple Sclerosis Society tips page says a diary can help, and that a paper or electronic diary can list what is planned for each day. It also lists notes, calendars, a whiteboard and a family planner as places to hold reminders, including medical appointments. The Multiple Sclerosis Trust page adds diaries, smartphones and notice boards as ways to record information and act as reminders.

These supports are worth listing for the clinician. Knowing which ones you already use shows where memory carries the load and where other supports take over, and the psychologist can suggest others, as the Society page says after an assessment they might propose finding alternative ways to perform tasks.

A good habit is to keep the support and the record apart. The calendar holds tomorrow, and the slips table holds what happened. When both are in one place, a quick glance at last month is all it takes to see which slips repeat.

Write down what works as well as what slips. If a whiteboard by the door ended a month of lost keys, that is a result worth sharing, and it tells the clinician that your own strategies are already part of the picture. For tired evenings, the guide to sleeping when symptoms keep you up covers the sleep side of the same record.

Multiple Sclerosis Journey keeps workarounds that held and slips that repeated in one history, and the Learn topics on fatigue and pacing give short reading for the weeks before an assessment.

How Multiple Sclerosis Journey can help

Paper, a phone note and a calendar are enough to start this record, and many people never need more. When you want fog, fatigue, heat and visit notes in one dated history, the best multiple sclerosis apps guide compares the options.

Multiple Sclerosis Journey is a personal multiple-sclerosis tracker from Health Journey Labs on the App Store and Google Play. Before an assessment, a month of dated slips and workarounds gives the clinician more to work with than any single day's memory of how things have been. Afterward, the same record shows whether the strategies you were given helped. Below is what you can use and how each part helps.

• Daily check-in — Logs physical symptoms, emotional state, nutrition, sleep, exercise, meds, external factors; app-specific items: fatigue, mobility or sensation, fog, heat or environment context; read together with the rest of the logged history.
• Flare Tracker — Logs flag a day clearly worse than the usual hard week, onset, intensity, short note; app-specific items: fatigue, numbness, vision, balance, fog, a crash; read together with history across weeks (one-off spike vs repeating pattern).
• Daily Journal — Logs free-text notes, voice entry; app-specific items: what the day limited, heat or travel context, partner talks, leftover guilt after you canceled; read together with scores and other logged history (adds context).
• My Meds — Logs medicine names, timing, dose; app-specific items: disease-modifying therapies and symptom meds you already use; read together with energy weeks, sleep, heat days, the rest of the tracked history.
• My Labs — Logs result dates; app-specific items: MRI, spinal fluid, blood counts, vitamin D, other tests; read together with fatigue, function.
• My Care Team — Logs clinicians, short visit notes; read together with logged history; used for: visit prep (what to ask and bring); notes during the visit; review afterward.
• Doctor Report — Logs one-page summary exported from logged history; app-specific items: dates, fatigue, mobility, fog, heat context, how you functioned; read together with the history already logged; visit type: neurology.
• AI companions — Logs Clara (general chat), specialist companions; app-specific items: knowledge, fitness, nutrition, relationships; read together with your logged history (companions already see it); used for: a calm partner script; a softer work line; a listening ear after a wiped day.
• Learn — Logs short education topics, prompts; app-specific items: fatigue, heat sensitivity, pacing, relapse vs bad day, visit prep; read together with your own logged weeks.
• Weekly Goals — Logs one small aim, whether it held.
• My Assessments — Logs structured check-ins beyond daily scores, onboarding life and social context; read together with ongoing history.
• Period Tracker — Logs start and stop dates, flow, how heavy or light bleeding felt; read together with fatigue, fog, heat, everything else logged.
• Food Tracker — Logs meal or drink lines, caffeine, alcohol; read together with energy, sleep, fog.
• Weight Tracker — Logs scale or body notes; read together with energy, sleep, flare.

Everything you log builds one history, and insights get stronger as it grows. Custom symptoms let you add your own labels.

Sources

• Multiple Sclerosis Society: Memory and thinking
• Multiple Sclerosis Society: Getting help for cognitive problems
• Multiple Sclerosis Society: Tips for dealing with memory and thinking problems
• Multiple Sclerosis Society: Largest ever study of cognition in Multiple Sclerosis
• Multiple Sclerosis Trust: Thinking and memory problems
• National Institute of Neurological Disorders and Stroke: Multiple Sclerosis

FAQ

The answers below draw on the sources cited in this guide, and the app they mention is Multiple Sclerosis Journey (by Health Journey Labs).