Here is how our “filter” connects to aging.One reason people lose their filter stems from brain atrophy or the natural shrinking of the brain.
This shrinkage impairs brain cell communication, especially in the frontal lobes. Since the prefrontal cortex helps us gauge socially acceptable behaviors, abnormalities in this region can affect social function.Studies found a link between age-related brain atrophy in the frontal lobes with decreased inhibition and social cognition.
Other studies found that the elderly don’t react the same way as young adults to socially awkward circumstances. For instance, older adults tend to have a harder time understanding sarcasm and tactless comments.
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