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Related Concept Videos

Aging01:26

Aging

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.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
Theoretical Approaches to Psychological Disorder01:29

Theoretical Approaches to Psychological Disorder

The development of psychological disorders, which are characterized by deviant, maladaptive, and personally distressing behaviors, has been explored through several theoretical approaches.
Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

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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Related Experiment Video

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Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
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Published on: May 31, 2021

Aging and disability: biopsychosocial perspectives.

Ivan R Molton1, Mark P Jensen

  • 1Department of Rehabilitation Medicine, University of Washington School of Medicine, 1959 Northeast Pacific Street, Box 356490, Seattle, WA 98195-6490, USA.

Physical Medicine and Rehabilitation Clinics of North America
|May 25, 2010
PubMed
Summary

This study highlights the need for a biopsychosocial approach to understand aging with disability. It aims to foster collaboration between disability researchers and gerontologists by applying aging theories to physical disability.

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Area of Science:

  • Gerontology and Disability Studies
  • Biopsychosocial Health

Background:

  • Disability and aging fields have shared interests but limited historical interaction.
  • A biopsychosocial framework is crucial for understanding aging with disability.
  • Gerontology and disability research can benefit from interdisciplinary collaboration.

Purpose of the Study:

  • To enhance collaboration between disability researchers and gerontologists.
  • To provide social gerontology background for disability researchers.
  • To apply aging theories to the experience of growing older with physical disability.

Main Methods:

  • Literature review and theoretical application.
  • Analysis of social gerontology concepts.
  • Examination of aging theories in the context of physical disability.

Main Results:

  • Identified key problem areas for older adults with disabilities, such as social support.
  • Highlighted parallel paradoxes between aging and disability experiences.
  • Provided a framework for integrating gerontological perspectives into disability research.

Conclusions:

  • Interdisciplinary collaboration is essential for a comprehensive understanding of aging with disability.
  • Applying aging theories enriches the study of physical disability in later life.
  • Addressing social support needs is critical for older adults with disabilities.