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Related Experiment Videos

Respiratory virus infections and performance.

A P Smith1

  • 1Laboratory of Experimental Psychology, University of Sussex, Brighton, U.K.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|April 12, 1990
PubMed
Summary

Common colds and influenza can impair cognitive performance, even with mild or sub-clinical symptoms. These viral infections affect work and education efficiency, necessitating further real-world impact assessments.

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Area of Science:

  • Neuroscience
  • Immunology
  • Occupational Health

Background:

  • Minor illnesses like colds and influenza are common and cause significant absenteeism.
  • Clinical symptoms may not prevent daily activities, but their impact on cognitive function is unclear.
  • Existing data on viral infections affecting central nervous system function and performance is scarce.

Purpose of the Study:

  • To investigate the effects of experimentally induced viral infections on cognitive performance.
  • To determine if sub-clinical infections or symptoms during incubation/recovery alter performance efficiency.

Main Methods:

  • Utilized experimentally induced infections at the MRC Common Cold Unit.
  • Studied performance efficiency during various stages of induced colds and influenza.

Main Results:

  • Colds and influenza demonstrated selective effects on performance.
  • Performance impairments were observed even with sub-clinical infections.
  • Impairments occurred during the incubation period and persisted after symptom resolution.

Conclusions:

  • Viral infections, including colds and influenza, can subtly impair cognitive performance.
  • Performance deficits can occur before, during, and after symptomatic illness.
  • Findings highlight the need to assess the real-world impact on occupational safety and efficiency.

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