Linguistics theories debunked (partially)
Can learning a new language really change the way you see the world?
Of course this is dependent on what you mean by perception - in my case it has always changed my perception - mainly because effective communication with people who are different from me is invariably enlightening. I couldn't comment on mental mechanics though. But a good short article.
https://www.deadlanguagesociety.com/p/sapir-whorf-worst-idea-in-linguistics