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The RAPID-II Neuropsychological Test battery for subjects aged 20 to 49 years: Norms and cognitive profile
M Binetruy1, F Mauny2, M Lavaux1
1Association pour le développement de la neuropsychologie appliquée (ADNA),25000 Besançon, France.
Revue Neurologique
|July 5, 2017
Summary
Low scores on cognitive tests are common in healthy adults, especially when multiple scores are analyzed. This highlights the need for careful interpretation to avoid misdiagnosing cognitive impairment in healthy individuals.
Area of Science:
- Neuropsychology
- Cognitive Science
Background:
- Cognitive evaluation is crucial for non-traumatic diseases like MS and HIV.
- Current cognitive testing norms are often inconsistent, leading to potential misdiagnosis.
- Healthy adults frequently exhibit low scores on cognitive test batteries.
Purpose of the Study:
- To establish normative data for the RAPID-II test battery in healthy adults.
- To determine the prevalence of low scores within this healthy adult sample.
- To assess the impact of analyzing multiple test scores simultaneously.
Main Methods:
- Developed norms for 44 RAPID-II test scores using 335 healthy adults aged 20-49.
- Stratified norms by age (20-29, 30-39, 40-49) and education level (high/low).
- Calculated 5th, 25th, 50th, and 75th percentiles for six subsamples.
Main Results:
- 59.4% of the normative sample scored low on at least one RAPID-II test.
- 0% of the sample scored low on more than 9 test scores.
- 96% of two-test score combinations showed a false positive rate below 2%.
Conclusions:
- Low scores are common in healthy young adults and do not always indicate cognitive impairment.
- Simultaneous analysis of multiple test scores reveals low scores more frequently.
- Using combinations of two-test scores can enhance the interpretation of low scores.
