1 EXHIBIT 23.6 CONSENT OF THE CARSON MEDLIN COMPANY We hereby consent to the inclusion as Appendix D to the Prospectus/Proxy Statement constituting part of the Registration Statement on Form S-4 of First American Corporation of our letter to the Board of Directors of Pioneer Bancshares, Inc. and to the references made to such letter and to the firm in such Prospectus/Proxy Statement. In giving such consent, we do not thereby admit that we come within the category of persons whose consent is required under Section 7 of the Securities Act of 1933 or the rules and regulations of the Securities and Exchange Commission thereunder. /s/ The Carson Medlin Company THE CARSON MEDLIN COMPANY Tampa, Florida October 26, 1998