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Higher Mental Functions of Brain: Learning and Memory01:26

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Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
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The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
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Transcranial Direct Current Stimulation tDCS for Memory Enhancement
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The bidirectional relationship between physical health and memory.

Niccole A Nelson1, Ross Jacobucci1, Kevin J Grimm2

  • 1University of Notre Dame.

Psychology and Aging
|October 19, 2020
PubMed
Summary
This summary is machine-generated.

Good memory can help buffer physical health decline in older adults. This protective effect of memory on physical health is stronger in older age groups, suggesting a key role for cognitive function in aging well.

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Area of Science:

  • Gerontology
  • Cognitive Neuroscience
  • Public Health

Background:

  • Physical health and cognitive abilities change throughout the lifespan.
  • The temporal relationship between these changes is not fully understood.
  • Understanding this dynamic is crucial for healthy aging interventions.

Purpose of the Study:

  • To investigate the temporal ordering of the bidirectional relationship between physical health and memory.
  • To examine this relationship across the adult lifespan (ages 50-87).
  • To identify age-related differences in this dynamic interplay.

Main Methods:

  • Utilized Bivariate Dual Change Score Models (BDCSM) on longitudinal data.
  • Analyzed data from 9,103 participants in the Health and Retirement Study (Waves 4-11).
  • Employed a model-comparison approach, controlling for education, gender, and race.

Main Results:

  • Both memory and physical health showed decline from ages 50-87.
  • Higher memory was associated with slower subsequent physical health decline (positive coupling).
  • Physical health predicting memory was a weaker association; this memory-to-physical health effect was stronger in older adults (75-87).

Conclusions:

  • Memory acts as a buffer against physical health decline in mid-to-later life.
  • This buffering effect of memory on physical health is particularly pronounced in older age groups.
  • Findings highlight the importance of cognitive function for maintaining physical health during aging.