Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Depression: Overview

Depression: Overview

Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...

Long-term Depression

Long-term Depression

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over...

Depressive Disorders: Etiology

Depressive Disorders: Etiology

Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...

Depressive Disorders: MDD and Dysthymia

Depressive Disorders: MDD and Dysthymia

Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...

Personality Theory by Eysenck and Eysenck

Personality Theory by Eysenck and Eysenck

Hans and Sybil Eysenck developed a widely recognized theory of personality, which emphasizes the role of temperament and genetically based differences in shaping individual traits. Their theory posits that biological factors primarily determine personality and can be understood through two main dimensions: extroversion/introversion and neuroticism/stability.
In the extroversion/introversion dimension, highly extroverted people are sociable, outgoing, and easily connect with others. In contrast,...

Traits, Mood, and Subjective Wellbeing

Traits, Mood, and Subjective Wellbeing

Subjective well-being (SWB) refers to an individual's self-evaluation of their overall life satisfaction, happiness, and fulfillment. This multifaceted construct is typically assessed by analyzing the balance of positive and negative emotions alongside perceptions of life satisfaction. Personality traits such as neuroticism and extraversion are strongly associated with variations in SWB, offering critical insights into the underlying mechanisms of emotional well-being.
Neuroticism and...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Etomidate-Adulterated Vaping: Fragmented Global Drug Control and Public Health Risks.

Drug and alcohol review·2026

Same author

The Evolving Role of Grit: Shifts in Depression Risk Among High- and Low-Grit Individuals During COVID-19.

Healthcare (Basel, Switzerland)·2025

Same author

The Legal and Ethical Dimensions of Hospital Visitation Bans in the COVID-19 Era.

Healthcare (Basel, Switzerland)·2025

Same author

Privacy Protection in Using Artificial Intelligence for Healthcare: Chinese Regulation in Comparative Perspective.

Healthcare (Basel, Switzerland)·2022

Same author

The Evolving Regulatory Landscape for Fentanyl: China, India, and Global Drug Governance.

International journal of environmental research and public health·2022

Search research articles

Related Experiment Video

Updated: Jun 30, 2025

A New Method for Inducing a Depression-Like Behavior in Rats

A New Method for Inducing a Depression-Like Behavior in Rats

Published on: February 22, 2018

Extraversion and low introversion more equivalent to high introversion in depression during COVID-19.

Nicholas Lassi¹

¹School of Law, Southwest University of Political Science and Law, Chongqing, China.

Journal of Personality

|March 18, 2024

Summary

During the COVID-19 pandemic, extraversion/low introversion became linked with increased depression risk, unlike pre-pandemic periods. This highlights how personality traits influence psychological well-being during public health crises.

Keywords:

COVID‐19 depression extraversion introversion personality traits

More Related Videos

Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety

Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety

Published on: November 11, 2022

An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents

An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents

Published on: December 2, 2015

Related Experiment Videos

Last Updated: Jun 30, 2025

A New Method for Inducing a Depression-Like Behavior in Rats

A New Method for Inducing a Depression-Like Behavior in Rats

Published on: February 22, 2018

Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety

Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety

Published on: November 11, 2022

An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents

An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents

Published on: December 2, 2015

Area of Science:

Psychology
Public Health
Personality Science

Background:

The COVID-19 pandemic significantly impacted global mental health.
Understanding how personality traits influence depression risk is crucial during crises.

Purpose of the Study:

To investigate the differential impact of extraversion-introversion on depression-related outcomes.
To compare these outcomes during pre-pandemic and pandemic periods.

Main Methods:

Utilized data from the NLSY97 (4846 individuals, born 1980-1984).
Employed one-way MANCOVAs to analyze the relationship between extraversion-introversion and depressive symptoms.

Main Results:

Pre-pandemic: High introversion correlated with increased depressive symptoms.
Pandemic: Depressive symptom risk was more evenly distributed between high introverts and extraverted/low introverts.
Extraversion/low introversion showed increased depression risk relative to high introversion during the pandemic.

Conclusions:

Personality traits, specifically extraversion-introversion, exhibited altered associations with depression during the COVID-19 pandemic.
Findings suggest distinct psychological well-being experiences for individuals with different personality types during public health events.
Further research is needed to understand the long-term psychological effects of personality during crises.