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Related Experiment Videos

An investigation into age and gender differences in human Kamin blocking, using a computerized task.

A E Crookes1, P M Moran

  • 1School of Psychology, University of Leicester, UK.

Developmental Neuropsychology
|July 10, 2003
PubMed
Summary

Kamin blocking (KB), a measure of selective attention, shows developmental differences in frequency but not overall score with age. Females consistently exhibit higher KB scores than males across all age groups.

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Area of Science:

  • Cognitive Psychology
  • Developmental Neuroscience
  • Psychopathology

Background:

  • Kamin blocking (KB) is a key component of selective attention.
  • Deficits in KB are noted in schizophrenia, but its developmental trajectory in healthy individuals is unclear.
  • Existing literature shows inconsistent findings regarding age and gender effects on KB.

Purpose of the Study:

  • To investigate the developmental course and prevalence of Kamin blocking in a healthy population.
  • To examine age-related and gender-related differences in Kamin blocking.
  • To extend previous research on selective attention development.

Main Methods:

  • Replicated and extended the Oades, Roepcke, and Schepker (1996) study design.
  • Utilized a computer game ('mouse in the house') to measure Kamin blocking.

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  • Collected data from 222 participants across five age groups (6-8, 9-12, 13-17, 18-21, 22+ years).

    • Main Results:

    • Kamin blocking was present in all age groups.
    • No significant effect of age on the mean Kamin blocking score was observed.
    • A significant increase in the frequency of participants exhibiting Kamin blocking was noted with age.
    • Females demonstrated significantly higher Kamin blocking scores than males, a difference evident from the youngest age group.

    Conclusions:

    • Selective attention and information processing abilities show significant age and gender variations.
    • Findings highlight the importance of considering developmental and gender factors in attention research.
    • Implications for understanding attention development and the age/gender dependence of schizophrenia are suggested.