Related Experiment Video

Updated: Jan 19, 2026

Stress and Mental Health
01:30

Stress and Mental Health

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Caregiver Stress, Perceived Stigma and Mental Health in Female Family Members of Drug Addicts: Correlational Study

Maryam Rafiq1, Riffat Sadiq1

  • 1Department of Applied psychology, Govt. College Women University, Faisalabad.

Abstract

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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...
823
An Introduction to Reward and Addiction09:44

An Introduction to Reward and Addiction

Consequences play a major role in controlling our behavior. If the consequence is a reward, then it encourages the associated behavior. Rewards can come in many forms such as a pleasant feeling, money, or food. However, sometimes an individual engages in compulsive behavior despite of negative consequences, and this state is known as addiction. Administration of addictive substances is neurochemically rewarding, which ultimately causes a loss of control in limiting the intake. Scientists aim...
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Social Defeat Stress Model for Adolescent C57BL/6 Male and Female Mice07:15

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We developed an accelerated social defeat stress model for adolescent C57BL/6 mice, which works in both males and females and allows exposure during discrete adolescent periods. Exposure to this model induces social avoidance, but only in a subset of defeated male and female mice.
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Collecting Saliva and Measuring Salivary Cortisol and Alpha-amylase in Frail Community Residing Older Adults via Family Caregivers08:25

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We demonstrate: (1) procedures for collection of salivary samples in cognitive impaired older adults by family caregivers in the home setting, (2) procedures for measuring stress activity via salivary cortisol and alpha amylase, and (3) representative profiles. Protocols that allow researchers to study stress-linked processes advance our understanding of biological sensitivity and...
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Deep Brain Stimulation as a Treatment for Drug Addiction in a Rat Model07:18

Deep Brain Stimulation as a Treatment for Drug Addiction in a Rat Model

Source: Batra, V., et al. A General Method for Evaluating Deep Brain Stimulation Effects on Intravenous Methamphetamine Self-Administration. J. Vis. Exp. (2016).This video demonstrates a rat model of drug addiction in which the animal self-administers intravenous methamphetamine by pressing a lever, leading to compulsive drug-seeking behavior driven by dopamine release in the nucleus accumbens. To counteract this, the rat undergoes deep brain stimulation (DBS) via an implanted bipolar...
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Mental Rotation05:56

Mental Rotation

Source: Laboratory of Jonathan Flombaum—Johns Hopkins University
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