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Hyper-arousal Heightens Sensitivity
Hyper-arousal triggers a significant increase in physiological arousal, which elevates attention sensitivity to external stimuli. When the brain operates at a high level of activation, distractions that once seemed insignificant can suddenly become pronounced. For example, while focused on work, external noises or disruptions may go unnoticed at first. However, as arousal rises—illustrated by consuming multiple espressos—these distractions become more intrusive, indicating a lowered threshold for focus amidst heightened alertness.