Organic mental disorders refer to mental health conditions that are caused by physical changes in the brain, such as injuries, infections, or diseases. While there are many antonyms to this term, a few examples include functional mental disorders, psychogenic disorders, and mental illness caused by non-organic factors. Functional mental disorders are conditions that affect individuals without any physical changes in their brain, such as anxiety or depression. Psychogenic disorders are similar but are specifically linked to psychological factors, like unresolved trauma. Finally, mental illness caused by non-organic factors might be related to drug use, malnutrition, or environmental toxins. Overall, understanding antonyms to organic mental disorders can help individuals better understand the root causes of their mental health conditions.