Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
impaired mental function
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "impaired mental function" is correct and usable in written English.
It can be used in contexts discussing cognitive abilities, mental health, or neurological conditions. Example: "The study focused on individuals with impaired mental function to better understand the effects of aging on cognitive health."
✓ Grammatically correct
Science
Formal & Business
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
7 human-written examples
The iNPH was clinically diagnosed in these patients according to the standard classic triad of gait impairment, urinary incontinence and impaired mental function, supported by ventricular dilatation and dilatation of Sylvian fissures, and narrowing of sulci and subarachnoid spaces over the high convexity without significant cerebral atrophy on CT or MRI.
Science
They help many people with those diseases function better, but can have serious side effects, including diabetes, tremors, seizures, high blood pressure, obesity, sedation, aches and impaired mental function.
News & Media
The main forms of IDD in adults are goitre, hypothyroidism and impaired mental function.
Formal & Business
The iodine deficiency in children causes goitre, reduced thyroid hormone synthesis, delayed physical development and mental retardation, while for adults it causes goiter, hypothyroidism, impaired mental function and reduced fertility.
Formal & Business
Impaired mental function, impaired mobility, and old age are common denominators associated with the risk of falling.
Science
He has taken Howard Marks to task for his hash-induced impaired mental function, ticked off Harry Hill for eating oven chips and Jackie Collins for her Yorkshire pudding habit.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Hallucinations, depression, and anxiety from sleep deprivation severely impair mental function to the extent that even simple tasks, such as talking or driving, can become a challenge.
News & Media
Mr. Carabello has cerebral palsy, which does not impair mental functioning.
News & Media
And after creation of a TIPS, closure of the TIPS itself may be indicated if the resulting hepatic encephalopathy severely impairs mental functioning.
Moreover, after creation of a TIPS, closure of the TIPS itself may be indicated when hepatic encephalopathy severely impairs mental functioning.
Regardless of the data source defining the general US population, patients with psoriasis reported similar physical functioning and more impaired mental health functioning compared with general population norms, even after adjusting for age, sex, and race.
Expert writing Tips
Best practice
When describing a specific condition, clarify the specific cognitive domains affected (e.g., memory, attention, executive functions) to provide a more accurate and detailed picture of the "impaired mental function".
Common error
Avoid using "impaired mental function" as a catch-all term. Instead, be specific about the type and extent of the impairment, as this provides more useful and accurate information.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "impaired mental function" acts as a descriptor, modifying a noun (often a person or subject) to indicate a state of reduced or compromised cognitive abilities. Ludwig indicates that the phrase is appropriate and suitable for describing cognitive or neurological states.
Frequent in
Science
60%
News & Media
20%
Formal & Business
20%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "impaired mental function" is a grammatically sound and commonly used expression for describing reduced or compromised cognitive abilities. According to Ludwig, it is appropriate in various contexts, including science, news, and formal settings. It serves to inform and describe a particular condition, frequently in medical or research scenarios. While alternatives like "cognitive decline" or "reduced mental capacity" exist, the choice depends on the desired nuance. Recognizing the potential for overgeneralization is vital, as specifying the affected cognitive domains provides more clarity. Ultimately, the phrase offers a versatile means of communicating cognitive challenges, with its precise application dependent on context and desired level of detail.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
cognitive impairment
A more general term for any type of cognitive deficit.
cognitive decline
Focuses specifically on the deterioration of cognitive abilities.
diminished cognitive function
Emphasizes a reduction in the effectiveness of cognitive processes.
reduced mental capacity
Highlights a decrease in overall mental ability.
compromised mental abilities
Suggests that mental abilities are weakened or vulnerable.
affected cognitive performance
Indicates a negative impact on how well someone performs cognitive tasks.
deteriorating mental state
Focuses on the worsening condition of one's mental health.
mental deficit
A lack of mental ability or function.
intellectual disability
A significant limitation in intellectual functioning and adaptive behavior.
altered mental status
Indicates a change from a normal mental state, often due to medical conditions.
FAQs
How can I use "impaired mental function" in a sentence?
You can use "impaired mental function" to describe a state where someone's cognitive abilities are diminished. For example, "The patient exhibited "impaired mental function" following the head trauma".
What are some alternatives to "impaired mental function"?
Alternatives include "cognitive decline", "reduced mental capacity", or "cognitive impairment", depending on the specific nuance you want to convey.
Is it better to say "impaired mental function" or "cognitive dysfunction"?
"Impaired mental function" and "cognitive dysfunction" are similar. "Cognitive dysfunction" might be slightly more technical, while "impaired mental function" is generally more accessible and easier to understand for a broader audience.
What are the common causes of "impaired mental function"?
"Impaired mental function" can be caused by various factors, including aging, neurological disorders, head injuries, substance abuse, and certain medical conditions. The underlying cause often determines the specific type and severity of the impairment.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested