Cognitive workload across the spectrum of cognitive impairments

A systematic review of physiological measures

Maud Ranchet, John Christopher Morgan, Abiodun Emmanuel Akinwuntan, Hannes Devos

Research output: Contribution to journalReview article

6 Citations (Scopus)

Abstract

Our objective was to identify the physiological measures that are sensitive to assessing cognitive workload across the spectrum of cognitive impairments. Three database searches were conducted: PubMed, PsychINFO, and Web of Science. Studies from the last decade that used physiological measures of cognitive workload in older adults (mean age >65 years-old) were reviewed. The cognitive workload of healthy older individuals was compared with the cognitive workload of younger adults, patients with mild cognitive impairment (MCI), and patients with Alzheimer's diseases (AD). The most common measures of cognitive workload included: electroencephalography, magnetoencephalography, functional magnetic resonance imaging, pupillometry, and heart rate variability. These physiological measures consistently showed greater cognitive workload in healthy older adults compared to younger adults when performing the same task. The same was observed in patients with MCI compared to healthy older adults. Behavioral performance declined when the available cognitive resources became insufficient to cope with the cognitive demands of a task, such as in AD. These findings may have implications for clinical practice and future cognitive interventions.

Original languageEnglish (US)
Pages (from-to)516-537
Number of pages22
JournalNeuroscience and Biobehavioral Reviews
Volume80
DOIs
StatePublished - Sep 1 2017

Fingerprint

Workload
Young Adult
Alzheimer Disease
Magnetoencephalography
PubMed
Cognitive Dysfunction
Electroencephalography
Heart Rate
Magnetic Resonance Imaging
Databases

Keywords

  • Alzheimer's disease
  • Cognitive workload
  • Healthy aging
  • Mild cognitive impairment
  • Physiological measures

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Cognitive Neuroscience
  • Behavioral Neuroscience

Cite this

Cognitive workload across the spectrum of cognitive impairments : A systematic review of physiological measures. / Ranchet, Maud; Morgan, John Christopher; Akinwuntan, Abiodun Emmanuel; Devos, Hannes.

In: Neuroscience and Biobehavioral Reviews, Vol. 80, 01.09.2017, p. 516-537.

Research output: Contribution to journalReview article

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