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Older adults can exhibit reduced activity in specific brain regions during cognitive tasks, particularly in medial temporal areas related to memory processing. On the other hand, overrecruitment of other brain areas, mainly in the prefrontal cortex, can be engaged in memory-related tasks. [10]
If older adults have fewer attentional resources than younger adults, we would expect that when two tasks must be carried out at the same time, older adults' performance will decline more than that of younger adults. However, a large review of studies on cognition and aging suggest that this hypothesis has not been wholly supported. [56]
For example, brain imaging studies have revealed that older adults are more likely to use both hemispheres when completing memory tasks than younger adults. [51] In addition, older adults sometimes show a positivity effect when remembering information, which seems to be a result of the increased focus on regulating emotion seen with age. [ 44 ]
New research shows that something as simple as a fiber supplement could be used to improve brain function in older adults. A study published in Nature Communications looked at how fiber might play ...
The development of memory is a lifelong process that continues through adulthood. Development etymologically refers to a progressive unfolding. Memory development tends to focus on periods of infancy, toddlers, children, and adolescents, yet the developmental progression of memory in adults and older adults is also circumscribed under the umbrella of memory development.
Older adults represent a significant proportion of the population, and this proportion is expected to increase with time. [90] Mental health concerns of older adults are important at treatment and support levels, as well as policy issues. The prevalence of suicide among older adults is higher than in any other age group. [91] [92]
Thankfully, there are brain supplements for adults – specifically, vital vitamins that have been shown to boost brain function. These vitamins include B vitamins, vitamin D and omega-3 fatty acids.
This finding is not as clear though as supporters of adult neurogenesis suggest; the dentate gyrus cells stained with DCX have been shown to have a mature morphology, contrasting the idea that novel neurons are being generated within the adult brain. [17] The role of new neurons in human adult brain function thus remains unclear.