The Effect of Indoor Temperature and CO2 Levels on Cognitive Performance of Adult Females in a University Building in Saudi Arabia

Riham Ahmed, Dejan Mumovic, Marcella Ucci

Research output: Contribution to JournalConference Articlepeer-review

Abstract

Temperatures and indoor CO2 levels within buildings play a crucial role, not only for energy consumption, but also for occupant performance and particularly cognitive performance regarding all mental activities such as thinking, reasoning, and remembering. Using a multi-variable multilevel approach, the effects of classroom temperature and CO2 levels were estimated on vigilance and memory tasks. The analysis is based on two classrooms’ physical environmental measurements data in a university located in Saudi Arabia. Participant votes on standard subjective thermal rating scales were collected from 499 adult female students, which were correlated with relevant environmental parameters such as humidity, radiant temperature, air velocity and self-reported clothing levels. Performance against two neurobehavioral cognitive tests was evaluated. The effects of three temperature levels were investigated. Statistically significant associations were observed between the cognitive test outomes and the investigated exposure conditions of classrooms’ temperature and CO2 concentration levels. The associations remained significant after adjusting for confounding variables.
Original languageEnglish
Pages (from-to)451-456
Number of pages6
JournalEnergy Procedia
Volume122
Early online date11 Sep 2017
DOIs
Publication statusE-pub ahead of print - 11 Sep 2017
EventCISBAT 2017: Future Buildings and Districts - Energy Efficiency from Nano to Urban Scale
- Lausanne, Switzerland
Duration: 6 Sep 20178 Sep 2017
https://www.buildup.eu/en/events/cisbat-2017-future-buildings-and-districts-energy-efficiency-nano-urban-scale-0

Keywords

  • Indoor temperature
  • CO2concentration levels
  • Cognitive performance
  • Education
  • tasks conducive to learning

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