[2] APA Division 40 rose from the fields of medicine, study of individual variance, and clinical and physiological psychology.
During this period, the number of PhD programs, pre-doctoral internships and post-doctoral fellowships grew around 50% in ten years.
The INS/Division 40 task force on Education, Accreditation and Credentialing published a series of guidelines on training at the internship, graduate and postdoc levels.
A later conference at Houston, Texas, where Division 40 was represented along with other neuropsychology-related organizations, produced the formal criteria for training and education in the field.
[11] Division 40 has evolved over time, forming four advisory committees on science, education, practice and public interest, mirroring the overall structure of the APA.
[14] As of 2000, the organization lacked cultural and gender diversity, with most members being white men, and in proportions atypical of other APA divisions.
[18] Teaming up with the American Academy of Clinical Neuropsychology (AACN), APA Division 40 helped draft a model Local Coverage Determination (LCD) for deciding what practices Medicare would cover in the states of Wisconsin, Minnesota, Illinois and Michigan.