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Questions and Answers
What does a 'Yes, a change' response indicate in the AD8 Dementia Screening Interview?
Which activity would be a sign of dementia according to the AD8?
What is indicated by repeated questions, stories, or statements in the AD8 Dementia Screening Interview?
What does forgetting the correct month or year imply in the context of the AD8 Dementia Screening Interview?
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Why is it recommended to administer the AD8 to an informant, if available?
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In the context of the AD8 Dementia Screening Interview, what is the significance of trouble handling complicated financial affairs?
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What is the final score calculation method for the AD8 screening test?
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What does a score of 2 or greater on the AD8 screening test indicate?
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Why is it important to have a one-second delay between individual items when administering the AD8 test?
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What does an AD8 score in the 'impaired range' suggest?
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What property of the AD8 indicates its effectiveness in detecting early cognitive changes?
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What does a score of 0 - 1 on the AD8 screening test suggest?
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Study Notes
AD8 Dementia Screening Interview
- The AD8 is a brief informant interview to detect dementia, consisting of 8 questions.
- The interview is adapted from Galvin JE et al, "The AD8, a brief informant interview to detect dementia", Neurology 2005:65:559-564.
Administration and Scoring Guidelines
- The AD8 can be self-administered or read aloud to the respondent, either in person or over the phone.
- It is preferable to administer the AD8 to an informant, if available.
- If an informant is not available, the AD8 may be administered to the patient.
- The respondent is asked to rate changes in the patient's ability for each of the items, without attributing causality.
Scoring and Interpretation
- The final score is a sum of the number of items marked "Yes, A change".
- A score of 0-1 indicates normal cognition.
- A score of 2 or greater indicates cognitive impairment is likely to be present.
- The AD8 has a sensitivity of > 84%, specificity of > 80%, positive predictive value of > 85%, and negative predictive value of > 70%.
- The area under the receiver operator characteristics (ROC) curve is 0.908, with a 95% confidence interval of 0.888-0.925.
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Description
Test your knowledge of the AD8 Dementia Screening Interview form by filling in the blanks with the correct answers. Understand how to detect cognitive problems through a brief informant interview. Adapted from a study by Galvin JE et al.
