Age-related differences in information processing during movie watching

We know how age affects the brain during lab-based tasks, but what about situations truer to everyday life, such as watching movies? We measured functional magnetic resonance imaging activity while participants (N = 577) from the Cambridge Centre for Ageing and Neuroscience (www.cam-can.com) watched...

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Bibliographic Details
Published inNeurobiology of aging Vol. 72; pp. 106 - 120
Main Authors Geerligs, Linda, Campbell, Karen L.
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.12.2018
Subjects
Adolescent
Adult
Age Factors
Aged
Aged, 80 and over
Aging
Aging - physiology
Attention - physiology
Attentional control
Cerebral Cortex - diagnostic imaging
Cerebral Cortex - physiology
Connectome - methods
Dynamics
Female
fMRI
Functional connectivity
Humans
Intersubject correlation
Language
Magnetic Resonance Imaging
Male
Memory
Memory - physiology
Middle Aged
Motion Pictures
Naturalistic viewing
Nerve Net - diagnostic imaging
Nerve Net - physiology
Visual Perception - physiology
Young Adult
Functional connectivity
fMRI
Attentional control
Language
Intersubject correlation
Dynamics
Memory
Naturalistic viewing
Aging
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Summary:We know how age affects the brain during lab-based tasks, but what about situations truer to everyday life, such as watching movies? We measured functional magnetic resonance imaging activity while participants (N = 577) from the Cambridge Centre for Ageing and Neuroscience (www.cam-can.com) watched a movie. Watching the same movie induces significant intersubject synchronization of brain activity across participants. These cross-subject correlations suggest that viewers are processing incoming information in a similar (or shared) way. We show that with advancing age, synchrony is preserved in some areas, including the language network, but decreased in others, including the medial prefrontal cortex, medial temporal lobe, and fronto-parietal network. Synchrony declines were driven by more idiosyncratic responding in older adults and were associated with regionally distinct temporal profiles and functional connectivity patterns, as well as declines in white matter integrity. These findings suggest that areas involved in language processing remain intact with age, while regions involved in attentional control and memory may show age-related declines, even in situations similar to daily life.
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ISSN:0197-4580
1558-1497
DOI:10.1016/j.neurobiolaging.2018.07.025