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information entity > theoretical entity > testable hypothesis > Compensation Related Utilization of Neural Circuits Hypothesis

Preferred term

Compensation Related Utilization of Neural Circuits Hypothesis  

Definition

  • "CRUNCH proposes that during task performance, as task difficulty (or load) increases, more cortical regions will be activated. Older adults reach their load capacity sooner than younger adults, so at easy and intermediate levels of task difficulty, they will recruit more neural resources than younger adults – the classic ‘compensation’ effect. At higher levels of load, the compensatory mechanism is no longer effective, leading to less activation and poorer performance in older vs. younger adults." (Jamadar, 2020, p. 2).

Broader concept

Related concepts

Entry terms

  • CRUNCH

Belongs to group

Bibliographic citation(s)

  • • Angel, L., & Isingrini, M. (2015). Le vieillissement neurocognitif : Entre pertes et compensation. L'Année Psychologique, Vol. 115(2), 289‑324. https://doi.org/10.4074/S0003503314000104

    [Study type: literature review / Access: open]
  • • Haitas, N., Amiri, M., Wilson, M., Joanette, Y., & Steffener, J. (2021). Age-preserved semantic memory and the CRUNCH effect manifested as differential semantic control networks : An fMRI study. PLOS ONE, 16(6), e0249948. https://doi.org/10.1371/journal.pone.0249948

    [Study type: empirical study / Access: open]
  • • Jamadar, S. D. (2020). The CRUNCH model does not account for load-dependent changes in visuospatial working memory in older adults. Neuropsychologia, 142, 107446. https://doi.org/10.1016/j.neuropsychologia.2020.107446

    [Study type: empirical study / Access: open]
  • • Reuter-Lorenz, P. A., & Cappell, K. A. (2008). Neurocognitive aging and the compensation hypothesis. Current Directions in Psychological Science, 17(3), 177‑182. https://doi.org/10.1111/j.1467-8721.2008.00570.x

    [Study type: literature review / Access: closed]
  • • Reuter-lorenz, P. A., & Mikels, J. A. (2006). The aging mind and brain : Implications of enduring plasticity for behavioral and cultural change. In P. B. Baltes, P. A. Reuter-Lorenz, & F. Rösler (Eds.), Lifespan Development and the Brain (pp. 255‑276). Cambridge University Press. https://doi.org/10.1017/CBO9780511499722.014

    [Study type: literature review / Access: closed]

Creator

  • Frank Arnould

Model of

In other languages

URI

http://data.loterre.fr/ark:/67375/P66-LXQ70LHH-P

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