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Related Concept Videos

Instinctive Drift01:05

Instinctive Drift

Instinctive drift refers to the tendency of animals to revert to their innate behaviors despite repeated reinforcement. Breland and Breland demonstrated this concept in an experiment with a raccoon. The raccoon was trained to pick up two coins and place them in a container in exchange for food. Initially, the raccoon learned to associate the coins with food, making them a conditioned stimulus or a substitute for food. However, over time, the raccoon became less willing to put the coins into the...
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Rapid Amplification of cDNA Ends, or RACE, is one of the most effective methods to obtain a full-length cDNA from an mRNA sequence between a known internal region to the unknown sequence at the 5’ or 3’ end. The unknown region is cloned in the cDNA by a gene-specific primer that binds the known end, and a hybrid primer that attaches a predefined anchor sequence to the unknown end of the cDNA. The sequence in between is amplified by PCR with an anchor primer and a gene-specific primer.
Since the...
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Racemic Mixtures and the Resolution of Enantiomers

A racemic mixture, or racemate, is an equimolar mixture of enantiomers of a molecule that can be separated using their unique interaction with chiral molecules or media. Racemic mixtures are denoted by the (±)- prefix. This ‘optical rotation descriptor’ applies to the whole solution of a racemic mixture rather than a specific stereoisomer. Enantiomers typically have the same physical and chemical properties. Hence, they are not easily separable. However, enantiomers can exhibit different...
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Updated: Jul 2, 2026

An Innovative Running Wheel-based Mechanism for Improved Rat Training Performance
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Published on: September 19, 2016

Reining in RAC.

Haydn Bush

    Hospitals & Health Networks
    |August 22, 2008
    PubMed
    Summary
    This summary is machine-generated.

    The Medicare Recovery Audit Contractor (RAC) program is expanding nationwide soon. Hospitals anticipate a less burdensome process based on pilot project feedback.

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    Area of Science:

    • Healthcare Administration
    • Medicare Policy
    • Healthcare Auditing

    Background:

    • The Medicare Recovery Audit Contractor (RAC) program aims to detect and prevent improper payments.
    • A pilot project was conducted to assess the effectiveness and efficiency of the RAC program.
    • Hospitals have expressed concerns regarding the administrative burden and complexity of the RAC program.

    Purpose of the Study:

    • To evaluate the impact of the RAC pilot project on hospital operations.
    • To identify the most challenging aspects of the RAC program for healthcare providers.
    • To inform future iterations of the RAC program for nationwide implementation.

    Main Methods:

    • Analysis of data from the RAC pilot project.
    • Surveys and feedback collection from participating hospitals.
    • Review of Medicare payment integrity regulations.

    Main Results:

    • The pilot project highlighted significant administrative challenges for hospitals.
    • Certain aspects of the RAC program were identified as particularly onerous.
    • Hospitals reported a need for streamlined processes and clearer guidelines.

    Conclusions:

    • The nationwide rollout of the RAC program requires modifications to mitigate hospital burdens.
    • Addressing the concerns raised during the pilot phase is crucial for successful implementation.
    • Future program design should prioritize efficiency and provider collaboration.