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Related Concept Videos

Types of Stressors01:23

Types of Stressors

416
A stressor is any event, condition, or stimulus that triggers stress and causes a physical or psychological response in the body. Stressors can be categorized into three main types: catastrophes; significant life changes; and daily hassles, including social stress. Each can be detrimental to physical and mental well-being.
Catastrophes
Catastrophes refer to large-scale, unpredictable events that create overwhelming stress and a sense of threat. Examples include natural disasters like...
416
Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

307
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
307
General State of Stress01:21

General State of Stress

380
The general state of stress within a material can be accurately depicted using a stress tensor. This tensor encapsulates the internal forces distributed within a material subjected to external forces or deformations.
Specifically, consider a tetrahedral element where one face, labeled XYZ, is perpendicular to the line OA, and the remaining faces align with the coordinate axes with point O as the origin. At any point, such as point O, the stress tensor can be used to determine the stress...
380
Stress and Mental Health01:30

Stress and Mental Health

289
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
289
Applications of Stress01:04

Applications of Stress

465
Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
The...
465
Psychological Responses to Stress01:20

Psychological Responses to Stress

285
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
285

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Author Spotlight: Establishing a Rodent Model for Investigating Depression Factors in Traditional Mongolian Medicine
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Category-Aware Chronic Stress Detection on Microblogs.

Lei Cao, Huijun Zhang, Ningyun Li

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    |June 18, 2021
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    Detecting chronic stress from social media is possible. A new model accurately identifies stress categories and levels from user posts, offering insights into long-term mental health.

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    Area of Science:

    • Computational linguistics
    • Mental health informatics
    • Social media analysis

    Background:

    • Chronic stress poses significant health risks, exacerbating conditions like hypertension, heart disease, and mental health disorders.
    • Social media platforms are increasingly used for self-expression, providing a rich source of data for mental health research.
    • Detecting long-term, category-aware stress from user-generated content remains a challenge.

    Purpose of the Study:

    • To develop and evaluate techniques for detecting category-aware chronic stress from social media posts.
    • To enhance the analysis of stress-related expressions in user-generated text.
    • To infer long-term stress categories and levels using a multi-attention model.

    Main Methods:

    • A dataset of 54,546 posts from 971 chronically stressed users on Sina microblog was curated.
    • A stress-oriented word embedding technique was developed to improve the identification of stress-related language.
    • A three-layer multi-attention model was designed to capture inter-post relevance and infer stress characteristics.

    Main Results:

    • The proposed model achieved 80.65% accuracy in detecting category-aware stress levels.
    • The system demonstrated 86.49% accuracy in identifying chronic stress levels and 93.07% in identifying chronic stress categories.
    • The stress-oriented word embedding significantly improved the model's performance in linguistic post analysis.

    Conclusions:

    • The developed multi-attention model with stress-oriented word embeddings is effective for category-aware chronic stress detection from social media data.
    • This approach offers a novel method for understanding and potentially mitigating the impact of chronic stress through digital footprint analysis.
    • Future research should explore the limitations and broader implications of using social media data for mental health monitoring.