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Related Concept Videos

Aging01:26

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Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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Cerebral Hemispheres01:05

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The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
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Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
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The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
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Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
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Two hands, one brain, and aging.

Celine Maes1, Jolien Gooijers1, Jean-Jacques Orban de Xivry1

  • 1KU Leuven, Movement Control and Neuroplasticity Research Group, Group Biomedical Sciences, 3001 Leuven, Belgium.

Neuroscience and Biobehavioral Reviews
|February 12, 2017
PubMed
Summary
This summary is machine-generated.

Aging affects bimanual coordination, showing increased brain activity in some areas and decreased in others. Understanding these changes is key to maintaining independence in older adults.

Keywords:
Bimanual coordinationBrainCognitionHumansMotor controlMotor learning

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Area of Science:

  • Neuroscience
  • Gerontology
  • Human Movement Science

Background:

  • Bimanual coordination is crucial for daily activities.
  • Understanding aging's impact on bimanual coordination is vital for functional independence in older adults.

Purpose of the Study:

  • To investigate the behavioral and neural factors influencing bimanual coordination in aging.
  • To review existing studies on age-related changes in bimanual coordination.

Main Methods:

  • Review of studies examining bimanual coordination in aging populations.
  • Analysis of behavioral and neural data related to bimanual tasks.

Main Results:

  • Aging is linked to increased cortical and decreased subcortical activity during bimanual tasks.
  • Age-related changes in functional connectivity are observed in both resting and active states.
  • Increased functional connectivity between brain regions occurs with aging.

Conclusions:

  • Aging alters brain activity and connectivity patterns during bimanual coordination.
  • Further research is needed to understand the mechanisms behind these neural changes.
  • This knowledge can inform interventions to preserve brain health and performance in older adults.