Cited by 94Multisensory perception and integrationNeural and Behavioral Psychology StudiesNeurobiology of Language and Bilingualism

Changing channels: An fMRI study of aging and cross-modal attention shifts

Townsend, Jeanne, Adamo, Maha, Haist, Frank·2006·NeuroImage

Abstract

Age-related deficits in visual selective attention suggest that the efficiency of inhibitory processes is particularly affected by aging. To investigate whether processing inefficiencies observed in visual attention are similar in auditory attention and when shifting attention across modalities, we conducted an fMRI study with healthy young and older adults using a task that required sustained auditory and visual selective attention and cross-modal attention shifts. Older adults in this study performed as well as the younger adults, but showed age-related differences in BOLD responses. The most striking of these differences were bilateral frontal and parietal regions of significantly increased activation in older adults during both focused and shifting attention. Our data suggest that this increased activation did not reflect new recruitment, but reliance on brain regions typically used by younger adults when task demands are greater. Older adults' activation patterns suggested that even during focused attention conditions they were "shifting" attention to stimuli in the unattended modality. Increased activation during processing of both task-relevant and task-irrelevant information implies age-related loss of processing selectivity. These patterns may reflect both task-specific compensatory neural recruitment and degradation of sensory inhibition.

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Crossref · 10.1016/j.neuroimage.2006.01.045

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  • Cognitive decline, primarily in executive functioning and memory formation, is one of the most pronounced consequences of aging.

    “Cognitive decline, primarily in executive functioning and memory formation, is one of the most pronounced consequences of aging (Daselaar et al, 2006;Hedden and Gabrieli, 2004;Townsend et al, 2006).”

    From Microglia Priming with Aging and Stress (2017) · cites this paper as Townsend et al, 2006

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Authors
Townsend, J., Adamo, M., & Haist, F.
Affiliations
University of California San Diego (US)
Corresponding author
Townsend, Jeanne
Venue
NeuroImage
Publisher
Elsevier BV
Published
2006-07
Volume
31
Issue
4
Pages
1682-1692
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1970713772
Cited by
93
References
42
Citations by year
2026: 2 · 2024: 7 · 2023: 2 · 2022: 2 · 2021: 3 · 2020: 3 · 2019: 4 · 2018: 2 · 2017: 9 · 2016: 3 · 2015: 9 · 2014: 8 · 2013: 5 · 2012: 3
FWCI
5.44
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institute on Aging (5RO1-AG18030)
  • National Institutes of Health
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
Keywords
aging, cross-modal attention, attentional shift, auditory attention, visual selective attention, inhibitory processes, sensory inhibition, compensatory neural recruitment, older adults, selective attention
MeSH terms
Acoustic Stimulation, Adolescent, Adult, Aged, Aged, 80 and over, Aging, Attention, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Middle Aged, Oxygen, Photic Stimulation, Psychomotor Performance, Positron-Emission Tomography

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