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Related Concept Videos

Purposive Learning01:22

Purposive Learning

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E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a...
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PD Controller: Design01:26

PD Controller: Design

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In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
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Rotational Motion about a Fixed Axis01:26

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A rigid body's rotation around a fixed axis makes every point within it trace a circular path around a specific line or point. The term given to this type of spinning is defined by the angular position, symbolized by the angle θ. This angle is gauged from a static reference line to the revolving object. From this angular position, any variation is referred to as angular displacement, denoted by dθ. The extent of this displacement can be calculated in degrees, radians, or...
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PI Controller: Design01:24

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Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
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Work and Power for Rotational Motion01:27

Work and Power for Rotational Motion

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Work and power in rotational motion are completely analogous to work and power in translational motion. The total work done to rotate a rigid body through an angle 'θ' about a fixed axis is the sum of the torques integrated over the angular displacement. Hence, torque and angular displacement in rotational motion are analogous to force and linear displacement in translational motion, respectively.
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Overview of Transposition and Recombination02:13

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Transposons make up a significant part of genomes of various organisms. Therefore, it is believed that transposition played a major evolutionary role in speciation by changing genome sizes and modifying gene expression patterns. For example, in bacteria, transposition can lead to conferring antibiotic resistance. Movement of transposable elements within the genetic pool of pathogenic bacteria can aid in transfer of antibiotic-resistant genetic elements. In eukaryotes, transposons can carry out...
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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
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Rotary's PolioPlus Program: Lessons Learned, Transition Planning, and Legacy.

John L Sever1, Michael McGovern1, Robert Scott1

  • 1Rotary International, PolioPlus, Evanston, Illinois.

The Journal of Infectious Diseases
|August 26, 2017
PubMed
Summary
This summary is machine-generated.

Rotary volunteers have significantly advanced global polio eradication through financial contributions, immunization support, and advocacy. Lessons learned from the PolioPlus program are now applied to broader global health initiatives.

Keywords:
Polio eradicationRotarylessons learnedtransition planning & legacyvolunteers

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Area of Science:

  • Global Health
  • Public Health Policy
  • Non-profit Initiatives

Background:

  • Rotary International has been a pivotal force in global polio eradication efforts.
  • The organization's commitment spans decades, involving extensive volunteer work and financial investment.

Purpose of the Study:

  • To highlight Rotary's extensive contributions to polio eradication.
  • To underscore the program's success and its transferable lessons for future global health challenges.

Main Methods:

  • Financial contributions to the Rotary PolioPlus program.
  • Volunteer participation in national immunization days and surveillance.
  • Advocacy and community mobilization for immunization activities.

Main Results:

  • Over $1.61 billion contributed to global polio eradication.
  • Sustained commitment through financial and volunteer support.
  • Development of strategies applicable to other global issues.

Conclusions:

  • Rotary's unwavering commitment has been vital to the success of polio eradication.
  • Lessons learned from PolioPlus are informing Rotary's expanded focus on six key areas of global health and development.
  • The legacy of the polio program is the impending eradication of poliovirus worldwide.