Children under age 6 require fewer symptoms to meet the diagnostic criteria for PTSD than adults according to the DSM-5.
The major difference between children under age 6 meeting criteria for PTSD and adults meeting criteria for PTSD according to the DSM-5 is that fewer symptoms are needed to meet diagnostic criteria for children. In children, the diagnostic criteria for PTSD are tailored to their developmental level, requiring fewer symptoms for diagnosis compared to adults. Children may display symptoms differently than adults due to their cognitive and emotional development, so the DSM-5 takes this into account.
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