Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sensitivity, Specificity, and Predicted Value01:13

Sensitivity, Specificity, and Predicted Value

In healthcare diagnostics, laboratory tests play a crucial role in identifying and diagnosing a wide range of medical conditions. However, interpreting test results is not always straightforward. An abnormal test result does not always confirm the presence of a disease, just as a normal result does not guarantee its absence. To assess the reliability of these diagnostic tools, healthcare practitioners rely on two key statistical indicators: sensitivity and specificity.
Sensitivity is the...
Receiver Operating Characteristic Plot01:15

Receiver Operating Characteristic Plot

A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
Dose-Response Relationship: Selectivity and Specificity01:25

Dose-Response Relationship: Selectivity and Specificity

Drugs exert their therapeutic effects by interacting with receptors, enzymes, or ion channels that are present throughout the human body. The strength and duration of the interaction between a drug and its target receptor are characterized by the selectivity and specificity of the drug. Selectivity refers to a drug's strong preference for its intended target over other targets. For instance, isoprenaline, a non-selective β-adrenergic agonist, interacts with both β1- and β2-adrenergic receptors...
Detection of Gross Error: The Q Test01:00

Detection of Gross Error: The Q Test

When one or more data points appear far from the rest of the data, there is a need to determine whether they are outliers and whether they should be eliminated from the data set to ensure an accurate representation of the measured value. In many cases, outliers arise from gross errors (or human errors) and do not accurately reflect the underlying phenomenon. In some cases, however, these apparent outliers reflect true phenomenological differences. In these cases, we can use statistical methods...
Sputum Studies II: Culture and Sensitivity01:20

Sputum Studies II: Culture and Sensitivity

Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Cardiovascular risks and hazards associated with deep space exploration.

Communications medicine·2026
Same author

Impact of Alzheimer's Disease Co-Pathology on Shunt Outcomes in Idiopathic Normal Pressure Hydrocephalus: A Systematic Review and Meta-Analysis.

Movement disorders : official journal of the Movement Disorder Society·2026
Same author

Integrated genomic and transcriptomic approaches reveal oxidative stress adaptation mechanisms in a mesotrione-resistant Amaranthus tuberculatus biotype.

Pest management science·2026
Same author

Whole-body vibration exposure in long-nose 10-wheel dumper trucks and some influencing factors.

Applied ergonomics·2026
Same author

A multi-ancestry genetic reference for the Quebec population.

Nature communications·2026
Same author

Basic Science and Pathogenesis.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2025
Same journal

A Neuronal Perspective.

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·2026
Same journal

Diagnostic efficacy, costs, and safety of portable ultra-low field MRI in brain imaging: a systematic review.

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·2026
Same journal

Chronology of Non-Motor Symptoms in 100 Patients with Advanced PD of 10 Years' Duration: Pre- versus Post-Motor Period.

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·2026
Same journal

Chorea-Acanthocytosis: From Motor to Behavioral and Olfactory Profiles.

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·2026
Same journal

Outcomes of Acute Ischemic Stroke in Patients with Hematological Malignancies.

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·2026
Same journal

Facial Neuropathy in Patients with Recurrent Painful Ophthalmoplegic Neuropathy.

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·2026
See all related articles

Related Experiment Video

Updated: May 8, 2026

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
06:58

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing

Published on: January 24, 2020

Correcting the MoCA for education: effect on sensitivity.

Genevieve Gagnon1, Kevin T Hansen, Sarah Woolmore-Goodwin

  • 1Centre for Addiction and Mental Health, University of Toronto, Toronto Department of Psychiatry, University of Toronto, Toronto.

The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques
|August 24, 2013
PubMed
Summary
This summary is machine-generated.

Education correction of the Montreal Cognitive Assessment (MoCA) reduced its sensitivity in detecting cognitive impairment, potentially increasing false negatives. Clinical judgment remains crucial for interpreting MoCA scores.

More Related Videos

Advancing Dyslexia Assessment in Children Through Computerized Testing
09:00

Advancing Dyslexia Assessment in Children Through Computerized Testing

Published on: August 16, 2024

Olfactory Context Dependent Memory: Direct Presentation of Odorants
04:47

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Published on: September 18, 2018

Related Experiment Videos

Last Updated: May 8, 2026

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
06:58

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing

Published on: January 24, 2020

Advancing Dyslexia Assessment in Children Through Computerized Testing
09:00

Advancing Dyslexia Assessment in Children Through Computerized Testing

Published on: August 16, 2024

Olfactory Context Dependent Memory: Direct Presentation of Odorants
04:47

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Published on: September 18, 2018

Area of Science:

  • Neuroscience
  • Gerontology
  • Cognitive Psychology

Background:

  • The Montreal Cognitive Assessment (MoCA) is widely used for detecting cognitive impairment.
  • Education level is a known factor influencing cognitive test performance.
  • The impact of educational adjustments on MoCA's diagnostic accuracy requires quantification.

Purpose of the Study:

  • To evaluate the effect of an education correction on the sensitivity and specificity of the MoCA.
  • To determine optimal cut-off scores for the MoCA with and without educational adjustment.

Main Methods:

  • A diagnostic evaluation including the MoCA was administered to 25 dementia patients, 39 with amnestic mild cognitive impairment (aMCI), and 37 healthy controls.
  • Sensitivity and specificity were calculated for unadjusted and education-adjusted MoCA scores.
  • Optimal cut-off scores were identified based on the balance between sensitivity and specificity.

Main Results:

  • For the unadjusted MoCA, a cut-off of 26 showed 80% sensitivity and 89% specificity for cognitive impairment.
  • Applying education correction decreased sensitivity to 69% while slightly increasing specificity to 92%.
  • The optimal cut-off for the education-adjusted MoCA shifted to 25, yielding 61% sensitivity and 97% specificity.

Conclusions:

  • Education correction negatively impacted MoCA's sensitivity, potentially leading to more false negatives.
  • The clinical utility of education-adjusted MoCA scores is questionable due to reduced sensitivity.
  • Developing age and education-corrected MoCA norms is recommended for improved interpretation.