Does anybody recognize differences between the following sentences?
- She took a perverse interest in photos of boys.
- She took a perverted interest in photos of boys.
Confusing perverse and perverted seems to be a fairly common error in English. Of the sites that explain the difference, Ginger seems to have the most concise definitions:
As this site explains, neither word necessarily has any sexual connotations:
These sentences place your examples in a context that might make their word choice more clear:
I think using 'perverted' makes the jump immediately to the sexual connotation whereas using 'perverse' allows for other interpretations.