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Related Concept Videos

Stress and Mental Health01:30

Stress and Mental Health

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...
Depressive Disorders: Etiology01:27

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...
Depression: Overview01:18

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,...
Self-Discrepancy Theory02:45

Self-Discrepancy Theory

One influential perspective on what motivates people's behavior is detailed in Tory Higgin's self-discrepancy theory (Higgins, 1987). He proposed that people hold disagreeing internal representations of themselves that lead to different emotional states.
Depressive Disorders: MDD and Dysthymia01:27

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...
Long-term Depression01:05

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.

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Related Experiment Video

Updated: Jun 2, 2026

A New Method for Inducing a Depression-Like Behavior in Rats
07:57

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

Published on: February 22, 2018

Depression and work performance: an ecological study using web-based screening.

S B Harvey1, N Glozier, M Henderson

  • 1Department of Psychological Medicine, King's College London, Institute of Psychiatry, Weston Education Centre, 10 Cutcombe Road, London SE5 9RJ, UK. samuel.b.harvey@kcl.ac.uk

Occupational Medicine (Oxford, England)
|April 29, 2011
PubMed
Summary
This summary is machine-generated.

Depression significantly impacts workgroup performance, with higher rates of depressive symptoms correlating with lower productivity. A web-based screening tool proved feasible for identifying depression in the workplace.

Related Experiment Videos

Last Updated: Jun 2, 2026

A New Method for Inducing a Depression-Like Behavior in Rats
07:57

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

Published on: February 22, 2018

Area of Science:

  • Occupational Health
  • Psychiatry
  • Workplace Psychology

Background:

  • Depression is a significant contributor to reduced work performance (presenteeism).
  • Existing studies on presenteeism often rely on self-reported performance, lacking objective measures.
  • Employers face challenges in early depression identification within the workforce.

Purpose of the Study:

  • To evaluate the feasibility of a web-based depression screening tool in a corporate setting.
  • To determine if workplace depression rates correlate with objective workgroup performance metrics.

Main Methods:

  • A telecommunications company's employees completed a web-based Patient Health Questionnaire depression scale (PHQ-9).
  • The tool provided anonymized workgroup-level depression data.
  • Four objective workgroup performance indicators were collected and analyzed.

Main Results:

  • 1161 employees completed the PHQ-9 assessment.
  • A significant negative linear relationship was found between depressive symptom rates and workgroup performance (P < 0.001).
  • This association persisted after controlling for demographic and engagement factors (P < 0.01).

Conclusions:

  • Workgroups with higher prevalence of depressive symptoms exhibit poorer performance.
  • Computer-aided, web-based depression screening is a viable method for workplace implementation.