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Why are some memories unforgettable
A study from Yale University has shown that the hormone cortisol, which is released in response to stress, enhances the brain's ability to remember emotional events more strongly and persistently by regulating the brain networks responsible for feelings and memory formation. The results confirmed that cortisol directs the brain to prioritize emotionally charged information, making it more memorable—especially for significant or threatening events. The study demonstrated that the effects of stress are not always negative; in fact, stress can help in recalling emotional situations more clearly, representing an important development in understanding how stress can enhance memory. However, it is also noted that excessive pressure can be harmful and may lead to health and psychological problems.
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