PART I. HISTORICAL ORIGINS AND CONCEPTUAL BASIS OF THE FIELD ; 1. NAFTOLIN F. THE AROMATIZATION HYPOTHESIS AND THE DISCOVERY OF ESTROGEN SYNTHESIS BY BRAIN CELLS ; AROMATASE, ITS BRAIN DISTRIBUTION AND REGULATION ; 2. CALLARD GV, GREYTAK SR, NOVILLO A, COTTER KA & MEYER R. BRAIN AROMATASE IN FISHES: HISTORICAL PERSPECTIVE AND COMPARATIVE APPROACHES ; 3. ROSELLI CE : THE DISTRIBUTION AND REGULATION OF AROMATASE IN THE MAMMALIAN BRAIN: FROM MICE TO MONKEYS ; 4. CONLEY A, ORR VN, TRAINOR BC, BERGER T & HUGHES A. MULTIPLE FORMS OF AROMATASE IN SUIFORMS: TISSUE DISTRIBUTION, REGULATION AND FUNCTIONAL SIGNIFICANCE ; 5. BIEGON A. FOWLER J, KIM S, LOGAN J, PARETO D & WANG G-J. REGIONAL DISTRIBUTION OF AROMATASE IN THE HUMAN BRAIN ; 6. SALDANHA CJ, REMAGE-HEALEY L & SCHLINGER BA. NEUROANATOMICAL DISTRIBUTION OF AROMATASE IN BIRDS: CELLULAR AND SUBCELLULAR ANALYSES ; 7. PELLEGRINI E, VAILLANT C, DIOTEL N, BENQUET P, BRION F & KAH O. EXPRESSION, REGULATION AND POTENTIAL FUNCTIONS OF AROMATASE IN RADIAL GLIAL CELLS OF THE FISH BRAIN ; 8. HARADA N. MOLECULAR MECHANISMS CONTROLLING BRAIN AROMATASE EXPRESSION ; BEHAVIORAL (GENOMIC) EFFECTS OF LOCALLY PRODUCED ESTROGEN IN THE BRAIN ; 9. CLEMENS LG. THE ORIGIN OF THE AROMATIZATION HYPOTHESIS 1970-1990 ; 10. SCHLINGER BA & BALTHAZART J. AROMATASE AND BEHAVIOR: CONCEPTS GAINED FROM STUDIES OF AROMATASE IN THE AVIAN BRAIN ; 11. HEIMOVICS SA, FOKIDIS HB & SOMA KK. BRAIN AROMATASE AND TERRITORIAL AGGRESSION ACROSS THE SEASONS IN MALE SONG SPARROWS ; 12. COHEN RE & WADE J. TESTOSTERONE METABOLISM IN REPTILES ; 13. KROHMER RW. AROMATASE, LOW TEMPERATURE DORMANCY AND REPRODUCTION IN THE RED-SIDED GARTER SNAKE ; 14. GILLIES GE. DIFFERENTIAL ACTIONS OF ESTROGENS IN THE MALE AND FEMALE BRAIN: A CASE FOR SEX-SPECIFIC MEDICINES ; AROMATASE AND SEXUAL DIFFERENTIATION ; 15. SODERSTEN P. A HISTORICAL AND PERSONAL PERSPECTIVE ON THE AROMATIZATION REVOLUTION: STEINACH CONFIRMED ; 16. MCCARTHY MM, WRIGHT CL & KONKLE ATM. AROMATASE AND SEXUAL DIFFERENTIATION OF THE RODENT BRAIN: THE OLD, THE NEW AND THE UNEXPECTED ; 17. BAKKER J. AROMATASE AND SEXUAL DIFFERENTIATION: LESSONS FROM THE AROMATASE AND ALPHA-FETOPROTEIN KNOCKOUT MICE ; 18. ADKINS-REGAN E. AROMATASE, ESTROGENS AND DIFFERENTIATION OF SEXUAL BEHAVIOR AND PARTNER PREFERENCE IN BIRDS ; AROMATASE AND BRAIN PROTECTION OR REPAIR ; 19. AZCOITIA I, AREVALO MA & GARCIA-SEGURA LM. BRAIN AROMATASE AND NEUROPROTECTION IN MAMMALS ; DUNCAN KA & SALDANHA CS. INDUCIBLE AROMATASE IN ASTROGLIA: PROTECTION AND RECOVERY FROM NEURAL PERTURBATION IN BIRDS ; RAPID CHANGES IN AROMATASE ACTIVITY & RAPID EFFECTS OF ESTROGENS ; 20. LAREDO SA & TRAINOR BC. PHOTOPERIODIC REGULATION OF ESTROGEN-DEPENDENT AGGRESSION ; 21. CHARLIER TD, CORNIL CA, BALL GF & BALTHAZART J. CELLULAR MECHANISMS CONTROLLING RAPID CHANGES IN BRAIN AROMATASE ACTIVITY ; 22. CORNIL CA, DICKENS MJ, BALL GF & BALTHAZART J. RAPID MODULATION OF AROMATASE ACTIVITY BY SOCIAL AND ENVIRONMENTAL STIMULI IN QUAIL ; 23. TREMERE LA & PINAUD R. MODULATION OF CENTRAL AUDITORY PROCESSING BY A BRAIN-GENERATED ESTROGEN: RAPID EFFECTS ON NEURAL CODING, DISCRIMINATION AND BEHAVIOR ; 24. REMAGE-HEALEY L. ACUTE SYNTHESIS AND ACTION OF ESTROGENS IN COMMUNICATION CIRCUITS ; 25. THOMPSON RR & MANGIAMELE LA. RAPID EFFECTS OF ESTRADIOL ON BEHAVIORAL AND PHYSIOLOGICAL RESPONSES RELATED TO REPRODUCTION IN MALE GOLDFISH ; 26. BALTHAZART J & BALL G.F. CONCLUDING STATEMENTS AND CURRENT CHALLENGES ; INDEX