There has been some speculation on what the organic cause of this insanity might have been.

Interestingly, much of the psychological research is now being used to argue for an organic cause.

He hopes to learn if there is an organic cause of postoperative depression and then to pinpoint those at risk.

The teacher and 37 others were admitted; doctors found no organic cause of their symptoms.

Excluding an organic cause for the pain is the most important part of the diagnosis.

Jamison balances the organic causes of suicide with the social ones.

Current research is focused on the role of neurobiology, but no single organic cause has been found.

"Studies organic causes for mental symptomology and disorder in children."

A neurological consult is advised to rule out any organic cause.

"Give me the differential you went through to rule out organic causes for her complaints."