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Related Concept Videos

Unusual Results01:16

Unusual Results

Unusual results are those that have a very low chance of occurring. Unusual results can be identified using probabilities and the range rule of thumb. In problems involving probability, unusual results can be observed in 2 instances – an unusually high number of successes or an unusually low number of successes.
According to the range rule of thumb, any value above or below two standard deviations, 2σ  from the mean, μ  is considered unusual.
Maximum unusual value = μ + 2σ
Minimum unusual value...
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...
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...
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...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
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Emerging Adulthood

Jeffrey Arnett's concept of emerging adulthood offers a framework to understand the unique developmental stage between adolescence and full-fledged adulthood, generally from ages 18 to 25. This period is marked by extensive exploration and shifts in identity, relationships, and career choices, a process known in psychology as role experimentation. Emerging adulthood reflects the evolving cultural expectations surrounding adulthood and the dynamic process of personal transformation during this...

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Automated Analysis of C. elegans Swim Behavior Using CeleST Software
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Automated Analysis of C. elegans Swim Behavior Using CeleST Software

Published on: December 7, 2016

Unexpecting age.

Molly Andrews1

  • 1Centre for Narrative Research, University of East London, 4-6 University Way, London, England, United Kingdom

Journal of Aging Studies
|September 4, 2012
PubMed
Summary
This summary is machine-generated.

Societal expectations significantly shape our perception of old age. Understanding these pervasive, often implicit, views is crucial for navigating the aging process and life course.

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Area of Science:

  • Gerontology
  • Sociology of Aging
  • Social Psychology

Background:

  • Societal views on aging are often implicit and pervasive.
  • These views influence individual perceptions of one's own old age.

Purpose of the Study:

  • To examine how socially pervasive expectations influence the perception of one's own old age.
  • To identify and explore key societal expectations regarding old age.

Main Methods:

  • Conceptual analysis of societal expectations related to aging.
  • Exploration of the impact of these expectations on the individual life course.

Main Results:

  • Identified four key expectations: the right to old age, inherent characteristics of being old, fragmented life phases, and the asocial nature of aging.
  • These expectations, sometimes contradictory, impact individual journeys through life.

Conclusions:

  • Our personal experience of aging is profoundly shaped by societal constructs.
  • Awareness of these implicit expectations is vital for understanding the aging process.