Cited by 159Neural and Behavioral Psychology StudiesCognitive Abilities and TestingNeurobiology of Language and Bilingualism

On how high performers keep cool brains in situations of cognitive overload

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JAEGGI, S. M., BUSCHKUEHL, M., ETIENNE, A., OZDOBA, C., PERRIG, W. J., NIRKKO, A. C.·2007·Cognitive, Affective, & Behavioral Neuroscience

Abstract

What happens in the brain when we reach or exceed our capacity limits? Are there individual differences for performance at capacity limits? We used functional magnetic resonance imaging (fMRI) to investigate the impact of increases in processing demand on selected cortical areas when participants performed a parametrically varied and challenging dual task. Low-performing participants respond with large and load-dependent activation increases in many cortical areas when exposed to excessive task requirements, accompanied by decreasing performance. It seems that these participants recruit additional attentional and strategy-related resources with increasing difficulty, which are either not relevant or even detrimental to performance. In contrast, the brains of the high-performing participants "keep cool" in terms of activation changes, despite continuous correct performance, reflecting different and more efficient processing. These findings shed light on the differential implications of performance on activation patterns and underline the importance of the interindividual-differences approach in neuroimaging research.

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  1. [37]37. In L. G. Nilsson & H. J. Markowitsch (Eds.), Cognitive neuroscience of memory (pp. 103-146). Seattle: Hogrefe & Huber.

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Authors
JAEGGI, S. M., BUSCHKUEHL, M., ETIENNE, A., OZDOBA, C., PERRIG, W. J., & NIRKKO, A. C.
Affiliations
  • University of Bern (CH)
  • University of Neuchâtel (CH)
  • University Hospital of Bern (CH)
Corresponding author
JAEGGI, S. M.
Venue
Cognitive, Affective, & Behavioral Neuroscience
Published
2007-06-01
Volume
7
Issue
2
Pages
75-89
ISSN
  • 1530-7026 (ISSN-L)
  • 1531-135X
OpenAlex
W2072707042
Cited by
159
References
71
Citations by year
2026: 6 · 2025: 6 · 2024: 11 · 2023: 8 · 2022: 12 · 2021: 13 · 2020: 6 · 2019: 5 · 2018: 7 · 2017: 9 · 2016: 13 · 2015: 17 · 2014: 7 · 2013: 10 · 2012: 2
FWCI
3.00
Type
journal article
Language
en
Open access
Locations
  • Cognitive Affective & Behavioral Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • reroDoc Digital Library (submittedVersion)
  • BORIS (University Library Bern) (submittedVersion, other-oa)
Funders
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
Keywords
cognitive overload, dual-task performance, individual differences in performance, brain activation patterns, processing demands, attentional resources, cognitive strategies, high performers, task difficulty
MeSH terms
Acoustic Stimulation, Adult, Attention, Brain, Brain Mapping, Cognition, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Neuropsychological Tests, Oxygen, Photic Stimulation, Reaction Time, Space Perception

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