Females speak More Than The Males - The Female Brain is a book by Louann Brizendine, M.D. whose main thesis is that women’s behavior is radically different from that of men due to hormonal differences. Usually females speak more than the males, in "Female Brain" Dr.Louann Brizendine writes that a woman speaks approximately 20 thousand words in a day which is 3 times more than the man. The interesting thing is writer of "Female Brain" is also a woman.