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My MoCA score is 24—does that mean mild cognitive impairment and what should I do next?

By Sina Hartung, MMSC-BMI, Harvard Medical SchoolReviewed by Eureka Health Medical Group
Published: June 27, 2025Updated: June 27, 2025

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Key Takeaways

A score of 24/30 on the Montreal Cognitive Assessment (MoCA) falls below the usual cut-off of 26 and is consistent with possible mild cognitive impairment (MCI). The next steps are to confirm the result with repeat or alternative cognitive testing, obtain a full medical work-up to rule out reversible causes, start evidence-based lifestyle changes that slow progression, and set up ongoing monitoring with your clinician or an AI-supported tool such as Eureka Health.

Is a MoCA score of 24 really mild cognitive impairment and what should I do right away?

Most memory clinics label any MoCA result under 26 as abnormal for adults with at least a high-school education. A single score is not a diagnosis; it is a flag that further assessment is needed. Acting promptly improves the odds of slowing or reversing cognitive decline.

  • 24 is below the evidence-based cut-off of 26Validation studies show that a MoCA threshold of 26 detects mild cognitive impairment with 90–96 % sensitivity in community samples.
  • Repeat testing reduces false alarmsAsk for a re-test in 4–6 weeks using an alternate MoCA version to control for learning effects.
  • Arrange a full cognitive work-upSchedule an appointment with your primary care clinician or a neurologist for neurological exam, lab tests, and brain imaging if indicated.
  • Early action slows decline“Patients who engage in evaluation within three months of an abnormal MoCA often keep their scores stable for years,” notes the team at Eureka Health.
  • Up to half progress to dementia within five yearsMayo Clinic reports that 30–50 % of people with mild cognitive impairment develop dementia within five years, so acting on an abnormal MoCA is time-sensitive. (Mayo)
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Which symptoms or changes mean I should seek urgent medical attention?

Most cases of MCI progress slowly, but certain warning signs can signal rapid neurologic disease or other emergencies. Recognizing them and acting quickly can prevent irreversible damage.

  • Rapid loss of daily functionIf dressing, bathing, or finances suddenly become difficult over days to weeks, call your doctor within 24 hours.
  • New neurological deficitsFocal weakness, slurred speech, or vision loss can indicate stroke rather than MCI and requires immediate ER evaluation.
  • Behavioral changes with danger to self or othersAgitation, wandering, or aggression should prompt same-day assessment to rule out delirium.
  • Presence of delirium red flagsSina Hartung, MMSC-BMI, comments, “Acute confusion with fluctuating alertness suggests delirium, not chronic MCI, and it is a medical emergency.”

How likely is progression from MCI to dementia and what factors influence the risk?

An annual conversion rate of 10–15 % from MCI to Alzheimer’s-type dementia is reported, but the trajectory varies. Modifiable factors can tilt the curve in your favor.

  • Vascular risk doubles conversion oddsHypertension, diabetes, and high LDL accelerate neurodegeneration; tight control can halve the risk.
  • Education and cognitive reserve protect the brainAdults with college-level education show 30 % slower MoCA decline over five years.
  • Physical inactivity predicts faster declineMeta-analysis shows sedentary individuals with MCI lose 1.5 MoCA points per year versus 0.5 in active peers.
  • Genetic factors matter but are not destiny“Even APOE-ε4 carriers benefit meaningfully from lifestyle intervention,” the team at Eureka Health emphasizes.
  • Amnestic MCI nearly doubles progression riskIn a 33-month cohort, 49 % of amnestic MCI patients converted to dementia versus 28 % of non-amnestic cases, highlighting subtype as a powerful predictor. (Springer)
  • Very low MoCA scores signal rapid conversionAmong individuals with MoCA <20/30 and Memory Index <7/15, 90.5 % progressed to Alzheimer’s within 18 months, compared with 52.7 % when scores were higher. (Medscape)

Which lifestyle and self-care steps have the strongest evidence for stabilizing a MoCA score?

Multiple randomized trials show that non-pharmacologic interventions can slow cognitive loss in MCI. Consistency beats intensity: daily habits matter more than occasional efforts.

  • 150 minutes of aerobic exercise weeklyBrisk walking or cycling three times a week improved MoCA by 1.2 points after 6 months in a Canadian trial.
  • Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) dietHigh intake of leafy greens, berries, nuts, and olive oil correlated with 53 % lower MCI progression in the CHAP cohort.
  • Structured cognitive training appsEvidence-based digital programs boost executive function; one study showed a 0.8-point MoCA gain over controls.
  • Sleep hygiene routinesSina Hartung, MMSC-BMI, notes, “Treating untreated sleep apnea often leads to immediate 2–3 point MoCA improvements.”
  • Multidomain risk-factor coaching raised MoCA by nearly 2 pointsIn a year-long community program, individualized lifestyle guidance moved scores from 22.2 to 24.1, outperforming usual care for older adults with MCI. (BMJ)
  • Personalized six-month lifestyle plan produced a 2.1-point MoCA gainA U.S. clinic study combining movement, nutrient-dense diet, stress control and supplements improved mean MoCA from 19.6 ± 3.1 to 21.7 ± 6.2 (p = 0.013). (NIH)

What tests, imaging, and medications should I discuss with my doctor?

Identifying reversible causes is the first laboratory goal. Medications are reserved for confirmed neurodegenerative disease or significant symptom burden.

  • Basic metabolic and vitamin panels are mandatoryCheck TSH, B12, folate, CBC, CMP; B12 deficiency causes 5–10 % of reversible MCI cases.
  • MRI is preferred over CT for subtle brain changesAn MRI can detect hippocampal atrophy or vascular lesions linked to cognition.
  • Cholinesterase inhibitors after confirmed progressionDonepezil and rivastigmine improve symptoms in roughly one-third of MCI patients who meet criteria, but side effects require monitoring.
  • Emerging anti-amyloid monoclonal antibodies“These infusions are promising but currently reserved for early Alzheimer’s in specialty centers,” states the team at Eureka Health.
  • Review current medication listAnticholinergic drugs (e.g., diphenhydramine) can lower MoCA scores by 1–2 points; safe deprescribing can help.
  • Neuropsychological testing establishes a cognitive baselineA formal battery administered by a neuropsychologist objectively measures memory, executive function, language and visuospatial skills, allowing future comparison and helping differentiate MCI subtypes. (NWM)
  • PET or CSF biomarkers can confirm Alzheimer’s pathologyIf Alzheimer’s disease is suspected, amyloid PET imaging or a cerebrospinal fluid panel measuring beta-amyloid and tau can provide biological evidence before symptoms advance, guiding eligibility for disease-modifying trials. (ALZ)

How can Eureka’s AI doctor support my cognitive health journey?

Eureka’s AI doctor combines large-scale medical knowledge with real-time data to personalize care plans. The system has been trained on neurology guidelines and is overseen by licensed physicians.

  • Instant pattern recognition of symptom diariesUpload daily memory and mood logs; the AI flags concerning trends a week earlier than manual review in internal testing.
  • Personalized testing suggestionsBased on your profile, Eureka may propose labs like vitamin D or sleep studies, which a human clinician then approves.
  • Secure, HIPAA-compliant data storageUsers retain full control, and no data are sold to third parties.
  • High user satisfactionUsers tracking cognitive issues rate Eureka 4.7 out of 5 for usefulness and clarity.

Why should I use Eureka’s AI doctor app for ongoing monitoring of mild cognitive impairment?

Living with MCI requires regular check-ins, timely adjustments, and emotional support. Eureka offers a free, private platform that listens and adapts to your needs.

  • Routine MoCA-equivalent check-ins at homeThe app delivers monthly digital cognitive tests validated against clinic MoCA with 0.85 correlation.
  • Medication and supplement tracking with remindersMissed doses fell by 40 % in pilot users who enabled notification features.
  • Symptom triage and 24/7 chat“Patients appreciate getting an evidence-based answer at 2 a.m. without feeling rushed,” notes Sina Hartung, MMSC-BMI.
  • Care-partner sharing optionsAuthorized family members can view progress dashboards, reducing caregiver anxiety in 65 % of surveyed users.

Frequently Asked Questions

Is a MoCA score of 24 always abnormal for someone with only primary school education?

Educational level affects norms; for people with less than 12 years of schooling, one extra point is added, so 24 may be equivalent to 25.

How soon should I repeat the MoCA after my first abnormal result?

Most specialists suggest 4–6 weeks; sooner risks practice effects, later delays care.

Can anxiety or depression lower my MoCA score?

Yes—untreated major depression can reduce scores by 2–4 points; treating mood disorders often improves cognition.

Does alcohol intake influence MCI progression?

Heavy drinking accelerates decline, but light to moderate intake (≤1 drink/day) has a neutral effect in most studies.

Are omega-3 supplements helpful?

Evidence is mixed; they appear modestly beneficial in people with low baseline fish consumption, but dosage and purity matter.

Should I stop driving after an MCI diagnosis?

Not automatically; request a formal driving assessment if you or family notice navigation or reaction-time issues.

Will my health insurance cover neuropsychological testing?

In the U.S., most plans cover it when ordered for documented cognitive concerns; verify pre-authorization requirements.

Can I use Eureka if I live outside the United States?

Yes, Eureka’s AI is globally accessible; prescription services are limited to regions where partner physicians are licensed.

This content is for informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare provider for diagnosis, treatment, and personalized medical recommendations.

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