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Related Concept Videos

Health Literacy01:21

Health Literacy

Health literacy is an individual's or a community's capacity to comprehend, receive, read, and use relevant healthcare information and services. The World Health Organization (WHO, 2018) defines health literacy as the cognitive and social skills that determine the ability of individuals to gain access to, understand, and use information in ways that promote and maintain good health. As a result, the WHO helps individuals manage long-term health concerns, participate in preventative programs,...
Chi-square Analysis02:46

Chi-square Analysis

The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...
Life Histories01:29

Life Histories

Constrained by limited energy and resources, organisms must compromise between offspring quantity and parental investment. This trade-off is represented by two primary reproductive strategies; K-strategists produce few offspring but provide substantial parental support, whereas r-strategists produce much progeny that receives little care. These strategies are related to an organism’s survival likelihood across its lifespan, which is represented by a survivorship curve. Three general types of...
Communication01:03

Communication

Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
Nature and Nurture01:10

Nature and Nurture

Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience, such as differences...
The Scientific Method01:32

The Scientific Method

The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves formulating a question based on observation, developing a testable potential explanation for the observation (called a hypothesis), making and testing predictions based on the hypothesis, and using the findings to create new hypotheses and predictions.Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...

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Related Experiment Video

Updated: Jun 22, 2026

Comparing Bibliometric Analysis Using PubMed, Scopus, and Web of Science Databases
05:02

Comparing Bibliometric Analysis Using PubMed, Scopus, and Web of Science Databases

Published on: October 24, 2019

What's in the Literature?

Zachary Simmons

    Journal of Clinical Neuromuscular Disease
    |June 5, 2009
    PubMed
    Summary

    This review covers peripheral neuropathies, motor neuron diseases like ALS, and muscle disorders. It highlights advances in diagnosis, treatment, and understanding of conditions such as chronic inflammatory demyelinating polyneuropathy and myotonic dystrophy.

    Area of Science:

    • Neurology
    • Clinical Neuroscience
    • Peripheral Nerve Disorders

    Background:

    • Peripheral neuropathies are common neuromuscular disorders.
    • Motor neuron diseases, particularly ALS, are significant clinical challenges.
    • Advances in understanding disease mechanisms are crucial.

    Purpose of the Study:

    • To review current knowledge on peripheral nerve disorders.
    • To discuss diagnosis, treatment, and prognosis of neuropathies.
    • To highlight recent findings in motor neuron diseases and muscle disorders.

    Main Methods:

    • Literature review of recent studies and clinical insights.
    • Synthesis of information on chronic inflammatory demyelinating polyneuropathy.
    • Focus on etiopathogenesis and management strategies for various neuromuscular conditions.

    Related Experiment Videos

    Last Updated: Jun 22, 2026

    Comparing Bibliometric Analysis Using PubMed, Scopus, and Web of Science Databases
    05:02

    Comparing Bibliometric Analysis Using PubMed, Scopus, and Web of Science Databases

    Published on: October 24, 2019

    Main Results:

    • Detailed discussion on chronic inflammatory demyelinating polyneuropathy diagnosis and treatment.
    • Exploration of TAR DNA-binding protein-43 (TDP-43) in disease pathogenesis.
    • Updates on epidemiology, diagnosis, and management of amyotrophic lateral sclerosis and Kennedy disease.

    Conclusions:

    • Significant progress in understanding and managing peripheral neuropathies.
    • New insights into TDP-43 protein's role in neurodegeneration.
    • Promising developments in treatment and symptom management for myotonic dystrophy and other muscle diseases.