Age-related deficits in generation and manipulation of mental images: II. The role of dorsolateral prefrontal cortex

Article Abstract:

Neural substrates of age-related declines in mental imagery were investigated. Volumes of dorsolateral prefrontal cortex (DLPFC) and posterior visual processing areas were estimated using magnetic resonance imaging scans. It is suggested that age-related deficits in performance on mental imagery tasks could arise partly from age-related shrinkage of the prefrontal cortex and age-related decline in working memory, although not from age-related slowing of sensorimotor reaction time.

Aging

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Differential effects of aging on memory for content and context: a meta-analysis

Article Abstract:

Older adults are more likely to forget the contexts associated with memories than the contents of memories. This may be due to the different pathways assigned in the brain to handle context and content. The context for a memory depends on whether it was read from a book, heard, or remembered as a thought. Another reason may be that that the memory capacity of older people has declined and inhibitory processing has advanced in the older brain.

Memory in old age, Old age memory

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Age-related deficits in generation and manipulation of mental images: I. The role of sensorimotor speed and working memory

Article Abstract:

Age-related slowing of information processing mental imagery tasks were investigated in 85 health adults. Age was linked with prolongation of response time in all tasks and at all levels of stimulus complexity. Accuracy of response was negatively related to age only on tasks with major mental imagery requirements.

Imagery (Psychology)

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