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Related Concept Videos

Psychological Responses to Stress01:20

Psychological Responses to Stress

53
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...
53
Traumatic Memory01:20

Traumatic Memory

84
Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual...
84
Physiological Foundation of Stress01:24

Physiological Foundation of Stress

56
Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
56
Lazarus's Cognitive Appraisal Theory01:20

Lazarus's Cognitive Appraisal Theory

217
Cognitive psychologist Richard Lazarus proposed the cognitive-mediational theory of emotions, which emphasizes how individuals' assessments of stressors significantly affect their experience of stress. According to Lazarus, the stress response is determined by a two-step appraisal process: primary appraisal and secondary appraisal. These cognitive appraisals help individuals evaluate the potential impact of a stressor and determine the adequacy of their coping resources.
Primary Appraisal:...
217
Natural Selection and Adaptation01:15

Natural Selection and Adaptation

196
Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations,...
196
Role of Amygdala in Memory01:16

Role of Amygdala in Memory

198
The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
One of the...
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Related Experiment Video

Updated: Jun 23, 2025

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
07:59

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory

Published on: June 14, 2019

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Memory Under Stress: From Adaptation to Disorder.

Lars Schwabe1

  • 1Department of Cognitive Psychology, Institute of Psychology, Universität Hamburg, Hamburg, Germany.

Biological Psychiatry
|June 16, 2024
PubMed
Summary
This summary is machine-generated.

Stress impacts memory formation, retrieval, and flexibility, aiding immediate coping but potentially causing issues like anxiety disorders. Understanding individual differences is key for treating stress-related mental health conditions.

Keywords:
AmygdalaCatecholaminesGlucocorticoidsHippocampusMemoryStress

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Related Experiment Videos

Last Updated: Jun 23, 2025

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
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Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm
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Area of Science:

  • Cognitive Neuroscience
  • Psychiatry
  • Neuroendocrinology

Background:

  • Stressful events trigger hormonal and neurotransmitter release impacting brain regions crucial for memory.
  • Understanding the effects of stress on memory is vital for both adaptation and psychopathology.

Purpose of the Study:

  • To review the impact of stress on fundamental memory processes: formation, contextualization, retrieval, and flexibility.
  • To explore how stress-induced memory alterations can be both adaptive and contribute to mental health disorders.

Main Methods:

  • Review of recent discoveries in cognitive neuroscience and psychiatry.
  • Analysis of how stress mediators dynamically alter memory processes.

Main Results:

  • Stress facilitates efficient responses and creates decontextualized memories for future threats.
  • Stress-related memory changes can lead to rigid behaviors, intrusive thoughts, and generalized fear.

Conclusions:

  • Stress-induced memory alterations can promote adaptation to stressors while also fueling psychopathology.
  • The shift from adaptive to maladaptive effects depends on stressor characteristics and individual predispositions.
  • Individual differences in cognitive responses to stress are crucial for treating stress-related mental disorders.