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Neuropsychology in Cameroon: first normative data for cognitive tests among school-aged children
N Ruffieux1, A K Njamnshi, E Mayer
1Faculty of Psychology and Educational Sciences, Geneva University, and Department of Neurology, Geneva University Hospital and Medical School, Switzerland. Nicolas.Ruffieux@unige.ch
Insights
This study provides the first normative data for neuropsychological tests in Cameroonian children, crucial for assessing cognitive function and aiding in the detection of sickle cell disease complications.
Area of Science:
- Neuropsychology
- Cognitive Science
- Pediatrics
Background:
- Limited availability of psychometric test normative data in sub-Saharan Africa.
- Identified need for psychological and neuropsychological assessments in Cameroon.
- Project aims to evaluate cognitive function in Cameroonian children with Sickle Cell Disease.
Purpose of the Study:
- Establish normative data for psychometric tests adapted to the Cameroonian cultural context.
- Assess cognitive functioning in Cameroonian school-aged children.
- Develop culturally appropriate tools for neuropsychological evaluation.
Main Methods:
- Recruited 125 healthy Cameroonian school-aged children from Yaounde.
- Administered a battery of 14 cognitive tests focusing on executive functions and memory.
- Selected tests based on simplicity, low verbal demand, and cross-cultural applicability.
Main Results:
- The cognitive test battery is suitable for neuropsychological evaluation in Cameroon.
- The Block Design test (WISC-IV) and a Verbal Phonemic Fluency test were less appropriate.
- Factor analysis supported a four-factor model consistent with expected cognitive measures.
- Analyzed effects of gender, age, and education on test performance.
Conclusions:
- This study presents the first normative data for neuropsychological tests in Cameroonian children.
- Represents a significant step for advancing neuropsychology in Cameroon and sub-Saharan Africa.
- The established battery is utilized to detect cerebrovascular complications in children with Sickle Cell Disease.
Introduction:
Very few normative data on psychometric tests are available in sub-Saharan African countries, in spite of the obvious needs and potential benefits from psychological and neuropsychological examination in these contexts. The goal of the ongoing overall project is to assess the cognitive functioning of Cameroonian school-aged children suffering from Sickle Cell Disease. For this purpose, normative data on psychometric tests adapted to the Cameroonian cultural context had to first be established.
Method:
125 "healthy" school-aged Cameroonian children were recruited from public schools in the city of Yaounde and were given a battery of 14 cognitive tests assessing executive functions and memory. Criteria for tests inclusions were: simplicity of administration, few verbal demand, and broad cross-cultural applicability. Results allow concluding that the battery is appropriate for neuropsychological evaluation in Cameroon, with the exception of the Block Design test (WISC-IV) and a Verbal Phonemic Fluency test. A factor analysis shows a division of the tests in a four-factors model that is very consistent with the expected measures of the tests. Effects of gender, age, and education are also discussed.
Conclusion:
this study is the first to report normative data on neuropsychological tests among children in Cameroon and constitutes an initial step for the advancement of neuropsychology in this country in particular and in sub-Saharan Africa in general. The battery is currently used in Cameroon with children suffering from Sickle Cell Disease as an aid to detect cerebrovascular complications.
