The American Psychopathological Association (APPA) is an organization "devoted to the scientific investigation of disordered human behavior, and its biological and psychosocial substrates.

"[1] The association’s primary purpose is running an annual conference on specific topics relevant to psychopathology research.

His call was in response to the gap he felt had occurred between normal psychology and more morbid sciences dealing with full-blown insanity.

Unlike professional organizations of psychiatrists, psychologists or other health researchers, the APPA annual meeting is explicitly interdisciplinary.

Leading investigators from the U.S. and abroad are invited to give original papers on the topic chosen by the president, in consultation with a governing body called the APPA Counsel.