I grew up around several of the anointed and they weren't any more touched in the head than the "average" JW. I do find that some individual JWs who claim to be anointed do seem to think that they have special insight. Officially, the WTS discourages this because it undermines their being the sole source of biblical insight.
***w03 2/15 pp. 20-21 What Does the Lord’s Evening Meal Mean to You? ***
And individuals with the heavenly calling do not seek prominence or boast about being anointed. They display the humility expected of those having "the mind of Christ."—1 Corinthians 2:16.
16Some may have concluded that they have the heavenly calling because they have acquired considerable Bible knowledge. But spirit anointing does not bring extraordinary understanding, for Paul had to instruct and counsel certain anointed ones. (1 Corinthians 3:1-3; Hebrews 5:11-14) God has an arrangement for providing spiritual food for all his people. (Matthew 24:45-47) So nobody should think that being an anointed Christian gives him wisdom superior to that of those having the earthly hope. Spirit anointing is not indicated by proficiency in answering Scriptural questions, witnessing, or giving Bible talks. Christians with the earthly hope also do well in these respects.