A new study reveals that older adults are more likely than younger people to interpret ambiguous facial expressions as happy rather than angry. Using brain imaging, researchers found that this positivity bias is linked to increased activity in the locus coeruleus - the brains tiny blue spot that regulates alertness and stress - and its connection to the dorsolateral prefrontal cortex.
A new study reveals that older adults are more likely than younger people to interpret ambiguous facial expressions as happy rather than angry. Using brain imaging, researchers found that this positivity bias is linked to increased activity in the locus coeruleus - the brains tiny blue spot that regulates alertness and stress - and its connection to the dorsolateral prefrontal cortex.
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