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Related Experiment Video

Updated: Apr 27, 2026

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
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Semantic verbal fluency in elderly Mexican adults: Reference values.

M Chávez-Oliveros1, Y Rodríguez-Agudelo1, I Acosta-Castillo2

  • 1Departamento de Neuropsicología, Instituto Nacional de Neurología y Neurocirugía MVS, Ciudad de México, México.

Neurologia (Barcelona, Spain)
|June 24, 2014
PubMed
Summary

This study provides normative semantic verbal fluency (SVF) test values for older Mexicans. These findings help accurately assess cognitive function in this demographic, considering age and education.

Keywords:
Datos normativosEvaluación neuropsicológicaFluidez verbalNeuropsychological assessmentNormative dataVerbal fluency

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Area of Science:

  • Neuroscience
  • Gerontology
  • Psychology

Background:

  • The semantic verbal fluency (SVF) test is a key tool for identifying cognitive decline.
  • Its ease of use and cultural adaptability make it a standard in neuropsychological assessments.

Purpose of the Study:

  • To establish normative data for the SVF test (animal category) in individuals aged 65 and above in Mexico.
  • To provide culturally relevant benchmarks for cognitive assessment in the elderly Mexican population.

Main Methods:

  • 1233 healthy, cognitively intact older adults from rural and urban Mexico participated.
  • Participants underwent a comprehensive neurological and neuropsychological evaluation, including the SVF test.

Main Results:

  • The average age was 73 years, with 4 years of schooling and 59% women.
  • The mean SVF score was 14 words (SD=5), showing a significant correlation with age, education, and gender (p<.001).
  • Percentiles were estimated based on these socio-demographic variables.

Conclusions:

  • Normative values for the SVF test were successfully generated for an elderly Mexican population (65+).
  • The study confirms the influence of age and education on SVF performance, crucial for accurate interpretation.
  • Lower average scores compared to other populations were attributed to the sample's lower educational attainment.