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Stress negatively impacts memory retention from "summary" of Unlimited Memory by Kevin Horsley
When stress levels are high, our brains are flooded with cortisol, a hormone that can interfere with the way memories are formed and stored. This means that when we are stressed, it becomes much more difficult for us to retain new information. In fact, research has shown that chronic stress can actually shrink the hippocampus, the part of the brain responsible for storing memories. Furthermore, when we are stressed, our brains prioritize survival over memory retention. This means that when we are in a state of stress, our brains are much more likely to focus on immediate ...
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