American Academy of Neurology  
   
   http://www.aan.com/

American Psychological Association - Clinical Neuropsychology  
   APA Division 40 promotes the use of scientific research to develop its knowledge base and clinical techniques in studying brain-behavior relationships. Promotes quality standards of professional training and practice.
   http://www.div40.org/

American Board of Professional Neuropsychology  
   University of Memphis hosts ABPN for membership and related information on credentialing of neuropsychologists.
   http://www.people.memphis.edu/~clong/abpn-hp.htm

Society for Behavioral Neuroendocrinology  
   University of Virginia hosts the SBNE
   http://www.virginia.edu/~sbne/home.html

National Academy of Neuropsychology  
   Professional society that includes clinicians, scientist-practitioners, and researchers. Content covers society meetings, professional issues, research and publications, and membership details.
   http://nanonline.org/