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  2. Oct 28, 2022 · The stress response weaves together three of the brain’s parallel communication systems, coordinating the activity of voluntary and involuntary nervous systems, muscles, and metabolism to achieve one defensive goal.

  3. Jan 13, 2022 · Stress can have both short- and long-term effects on the brain. It all starts with your amygdala and stress response, commonly called fight, flight, or freeze responses — a reaction to an acute...

    • Chronic Activation of This Survival Mechanism Impairs Health
    • Sounding The Alarm
    • Techniques to Counter Chronic Stress

    A stressful situation — whether something environmental, such as a looming work deadline, or psychological, such as persistent worry about losing a job — can trigger a cascade of stress hormones that produce well-orchestrated physiological changes. A stressful incident can make the heart pound and breathing quicken. Muscles tense and beads of sweat...

    The stress response begins in the brain (see illustration). When someone confronts an oncoming car or other danger, the eyes or ears (or both) send the information to the amygdala, an area of the brain that contributes to emotional processing. The amygdala interprets the images and sounds. When it perceives danger, it instantly sends a distress sig...

    Many people are unable to find a way to put the brakes on stress. Chronic low-level stress keeps the HPA axis activated, much like a motor that is idling too high for too long. After a while, this has an effect on the body that contributes to the health problems associated with chronic stress. Persistent epinephrine surges can damage blood vessels ...

    • hhp_info@health.harvard.edu
  4. Feb 15, 2021 · Here are some tips that can help you better manage stress and hopefully prevent some of the damaging effects it could have on your brain. Establish some control over your situation. If stress isn't predictable, focus on controlling the things that are.

    • hhp_info@health.harvard.edu
  5. Neural circuits within the limbic system that regulate fear, executive function, learning, and memory are particularly sensitive to chronic stress, and recent findings emphasize important roles of the cell- and pathway-specific effects of stress.

  6. Feb 9, 2023 · Abstract. Stressful experiences, both physical and psychological, that are overwhelming (i.e., inescapable and unpredictable), can measurably affect subsequent neuronal properties and cognitive...

  7. Apr 10, 2017 · Stress can cause an imbalance of neural circuitry subserving cognition, decision making, anxiety and mood that can increase or decrease expression of those behaviors and behavioral states. This imbalance, in turn, affects systemic physiology via neuroendocrine, autonomic, immune and metabolic mediators.

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