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Related Concept Videos

Behavior Modification01:21

Behavior Modification

700
Behavioral approaches have often been criticized for ignoring mental processes and focusing solely on observable behavior. However, these approaches provide an optimistic perspective for individuals seeking to change their behaviors. Rather than concentrating on intrinsic personality traits, behavioral approaches suggest that even longstanding habits can be modified by changing the reward contingencies that maintain them.
A real-world application of operant conditioning principles is applied...
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Histone Modification02:32

Histone Modification

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The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
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Histone Modification02:32

Histone Modification

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Spreading of Chromatin Modifications02:25

Spreading of Chromatin Modifications

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The histone proteins in the nucleosomes are post-translationally modified (PTM) to increase or decrease access to DNA. The commonly observed PTMs are methylation, acetylation, phosphorylation, and ubiquitination of lysine amino acids in the histone H3 tail region. These histone modifications have specific meaning for the cell. Hence, they are called "histone code". The protein complex involved in histone modification is termed as "reader-writer" complex.
Writers
The writer...
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What is Behavior?00:54

What is Behavior?

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Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other possible actions. Behaviors include activities related to the environment around the animal—such as migration—as well as social interactions within a species or population. Many behaviors involve motor output—that is, muscle movements—while others involve less visible actions, such as learning.
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Acid–Base Equilibria: Activity-Based Definition of pH01:10

Acid–Base Equilibria: Activity-Based Definition of pH

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For an ideal solution, the pH is defined as the negative logarithm of the hydrogen ion concentration. For a non-ideal solution, an accurate measurement of the pH must consider the negative logarithm of the hydrogen ion activity rather than concentration. In such a solution, the pH can be more accurately defined as the negative logarithm of a product of the hydrogen ion concentration and its activity coefficient.
In solutions of very low ionic strength—for example, pure water—the...
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Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption
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Accelerometer based Active Snore Detection for Behavioral Modification.

Eric C Beppler, James P Dieffenderfer, Charles D Hood

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |November 17, 2018
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    Summary
    This summary is machine-generated.

    This study compared accelerometry and electromyography for automated snoring detection. Accelerometry showed superior performance for developing wearable snoring detection devices.

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    Area of Science:

    • Biomedical Engineering
    • Sleep Science
    • Wearable Technology

    Background:

    • Habitual snoring poses significant health risks and disrupts sleep quality.
    • Consumer products are emerging to automatically detect snoring and prompt snorers for positional changes.
    • Automated snoring detection requires accurate and reliable sensing methods.

    Purpose of the Study:

    • To compare the efficacy of electromyography (EMG) and accelerometry for automated snoring detection.
    • To evaluate sensor configurations and algorithm accuracy for wearable snoring detection.
    • To design and integrate sensors into a wearable device with haptic feedback.

    Main Methods:

    • Investigated optimal sensor placement and configurations for EMG and accelerometry signals.
    • Reviewed and assessed the accuracy of various snore detection algorithms using biological signals.
    • Developed an embedded device incorporating sensors and haptic feedback for snore detection.

    Main Results:

    • Preliminary findings suggest accelerometry outperforms electromyography in snoring detection.
    • Optimal sensor configurations were identified for both EMG and accelerometry.
    • A functional embedded device prototype with integrated sensors was designed.

    Conclusions:

    • Accelerometry presents a promising method for wearable automated snoring detection.
    • Further research is needed to validate the concept and refine the device design.
    • The developed system offers potential for improving sleep quality and addressing health risks associated with snoring.