Related Experiment Video
Updated: May 10, 2026

07:26
Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm
Published on: May 4, 2020
Stress reactivity and cognitive performance in a simulated firefighting emergency
Sarita J Robinson1, John Leach, P Jane Owen-Lynch
1School of Psychology, University of Central Lancashire, Preston, Lancashire, UK. SJRobinson1@uclan.ac.uk
Aviation, Space, and Environmental Medicine
|June 11, 2013
Summary
Firefighter training can cause cognitive impairments, like memory loss, after simulated emergencies. These effects may differ depending on how soon after the event testing occurs.
Area of Science:
- Psychology
- Emergency Medicine
- Cognitive Science
Background:
- Maladaptive behaviors during emergencies can decrease survival rates.
- This study investigated the impact of basic firefighter training on volunteers compared to a control group.
Purpose of the Study:
- To assess stress reactivity and cognitive performance in new firefighters after emergency training.
- To understand how simulated emergencies affect cognitive functions crucial for survival.
Main Methods:
- Monitored stress reactivity (salivary cortisol, anxiety) across three training days.
- Measured cognitive performance (visual attention, declarative and working memory) post-training with immediate and delayed testing.
Main Results:
- Firefighters showed elevated cortisol levels post-simulated emergency compared to controls.
- Impaired visual declarative memory was observed immediately after the emergency simulation.
- Working memory deficits were noted in firefighters tested 20 minutes after the simulation.
Conclusions:
- Cognitive impairments following simulated emergencies may explain maladaptive responses in real fire situations.
- The type of cognitive impairment observed appears to be time-dependent after an emergency.
Related Concept Videos
Psychological Responses to Stress
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...
Introduction to Stress and Lifestyle
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...
Physiological Foundation of Stress
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...
Role of the Sympathetic Nervous System
Adrenaline triggers the...
Stress Response System
The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
In the alarm stage, the body's initial...
Alarm stage
In the alarm stage, the body's initial...
Stress Concentrations
The concept of stress concentration is crucial for understanding how materials respond under bending stresses, particularly when there are irregularities or discontinuities in the material's geometry. Normally, stress in a symmetric member subjected to pure bending is assumed to be uniformly distributed across the entire cross-section. However, this assumption does not hold when there are variations in the cross-sectional geometry or the presence of notches and holes.
The stress concentration...
The stress concentration...
Stress Concentrations
Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller width...

