From Longman Dictionary of Contemporary Englishsomething concentrates the mindsomething concentrates the mindif something concentrates the mind, it makes you think very clearly Relaxing in a Jacuzzi concentrates the mind wonderfully. → concentrate
Examples from the Corpus
something concentrates the mind• It concentrates the mind better than anything I know.• Equally the Tender concentrates the mind wonderfully in a way that a final offer by letter from the insurer can not. 