Alzheimer’s Disease Assessment Scale-Cognitive
ADAS COG
Description
"Alzheimer’s Disease Assessment Scale–Cognitive" (ADAS-Cog) test measures key cognitive abilities like memory, language, and problem-solving, particularly in individuals with suspected Alzheimer’s disease. It’s more detailed than brief screening tools and often used to track cognitive decline over time. Doctors recommend it when early signs of dementia appear. The results support diagnosis, monitor progression, and guide care planning. ADAS-Cog testing helps evaluate treatment effectiveness and tailor support strategies for patients with mild to moderate cognitive impairment.
Category
Brain Function
Procedure
Non-Invasive
Sample Type
No biological sample is needed for this test.
Units
Not Applicable
Procedure Category
Assess
Test Group
Neurocognitive Assessment Group
Test Group Description
Neurocognitive Assessment Group: Tests within this group focus on evaluating various aspects of cognitive function and brain health. These assessments provide insights into memory, attention, language, and executive functions.
Optimal Range
For All Individuals:
Result: Negative: No abnormalities detected.
Normal Range
For All Individuals:
Result: Negative: No abnormalities detected.
Results That Differ From The Norm (Direct and Indirect Causes)
Abnormal results may indicate:
Alzheimer's disease (Progressive cognitive decline)
Anxiety disorders (Mental health conditions characterized by excessive worry)
Brain tumors (Abnormal growths in the brain)
Chronic traumatic encephalopathy (Brain disease associated with repetitive head trauma)
Creutzfeldt-Jakob disease (Rapidly progressive neurodegenerative disorder)...
Key Reasons For Testing
Cognitive Function Evaluation: Assesses memory, language, and problem-solving to measure changes in thinking abilities.
Diagnostic Aid: Tracks cognitive decline to diagnose and monitor Alzheimer’s progression.
Treatment Monitoring: Evaluates the effectiveness of medications or therapies over time.
Baseline Assessment: Establishes initial cognitive abilities to track disease progression.
Health Status Conditions It May Be Used To Assess
Currently, this test is not directly associated with any conditions listed on the Health Status page. However, it may be included as part of a broader set of tests linked to specific health conditions.
Some Prominent Medical Labs That May Offer This Test
Please note that this particular test has not been associated with any of the listed prominent medical labs. We recommend enquiring with your private physician or nearest hospital to determine where this specific test can be performed.
References
Important Note
Any medical procedure yielding results outside the norm may be directly or indirectly linked to the conditions outlined on this page. Various factors, including genetics, medication and supplement usage, recent illnesses, pregnancy, pre-test eating, smoking, and stress, can impact the test's outcome. Additionally, factors like false positives, false negatives, inaccurate analyses, and others can influence results.
Reference ranges, which help healthcare professionals interpret medical tests, may vary depending on age, gender, and other factors. They may also differ between laboratories due to variations in instruments and methods used. Optimal ranges are designed for preventive purposes, aiming to identify trends and potential risks early, while normal ranges reflect conventional laboratory values indicating no current disease or pathology. Your healthcare practitioner may have specific reasons for testing that deviate from the usual or may interpret results differently based on individual circumstances. Proper interpretation typically involves considering clinical findings and other diagnostic tests. Hence, it is crucial to provide your healthcare professionals with a comprehensive medical history, consult with them for result interpretation, and follow their guidance for potential re-testing or additional diagnostics.
Disclaimer
This content is provided solely for informative and educational purposes. It is not intended as a substitute for medical advice or treatment from a personal physician. Regarding the interpretation of their medical test results and/or specific health questions, it is recommended that all readers and viewers consult their physicians or other qualified health professionals. The publisher is not responsible for any adverse health effects that may result from reading or following the information in this educational content. Before beginning any nutrition, supplement, or lifestyle program, all viewers, especially those taking prescription or over-the-counter medications, should consult their physician or health care practitioner.
Please note that while prominent lab names are included in this content, we cannot guarantee that these labs offer all the tests mentioned. For confirmation, individuals should contact the labs directly or consult their medical practitioners. The information provided reflects general knowledge at the time of publication and may not include recent updates or emerging research. Readers should verify details with qualified professionals to ensure the most up-to-date and accurate guidance.
[1] Mohs RC, Rosen WG, Davis KL. The Alzheimer's Disease Assessment Scale: an instrument for assessing treatment efficacy. Psychopharmacol Bull. 1983;19(3):448-450.
[2] Rosen WG, Mohs RC, Davis KL. A new rating scale for Alzheimer's disease. Am J Psychiatry. 1984;141(11):1356-1364.
[3] Ferris SH, Lucca U, Mohs R, et al. Objective psychometric tests in the assessment of dementia. Psychopharmacol Bull. 1980;16(1):15-18.
[4] Cano SJ, Posner HB, Moline ML, et al. The ADAS-Cog in Alzheimer's disease clinical trials: psychometric evaluation and recommendations. Alzheimers Dement. 2010;6(3):210-217.
[5] Kueper JK, Speechley M, Montero-Odasso M. The Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-Cog): Modifications and responsiveness in pre-dementia populations. A narrative review. J Alzheimers Dis.2018;63(2):423-444.
[6] Zhao Q, Zhou Y, Wang Y, et al. Alzheimer's Disease Assessment Scale–Cognitive Subscale detects cognitive improvement and decline in mild cognitive impairment and mild Alzheimer’s disease. J Alzheimers Dis. 2011;23(2):241-252.
[7] Hohl U, Grundman M, Salmon DP, et al. Utility of the Alzheimer’s Disease Assessment Scale cognitive subscale (ADAS-Cog) in studies of mild cognitive impairment. Int J Geriatr Psychiatry. 1999;14(6):454-462.
[8] Harrison JE, Minassian SL, Jenkins L, et al. Clinical evaluation of the cognitive drug research computerized assessment system in dementia: relationship with the ADAS-Cog. Alzheimers Dement. 2007;3(2):137-141.
[9] Skinner J, Carvalho JO, Potter GG, et al. The Alzheimer's Disease Assessment Scale-Cognitive-Plus (ADAS-Cog-Plus): an expansion of the ADAS-Cog to improve responsiveness in MCI. Brain Imaging Behav. 2012;6(4):489-501.