Irumodic syndrome
- Degenerative neurological disorder afflicting Humans (TNG: "All Good Things..."; Novel: Articles of the Federation)
- Increasing dementia and confusion in the 80s, eventually leading to death (TNG: "All Good Things...")
- Caused by subtle neurological defect (TNG: "All Good Things...")
- Almost impossible to detect prior to presentation of symptoms (TNG: "All Good Things...")
- By 2370, chief indicated treatment peridaxon (TNG: "All Good Things...")
- Pallative treatment only, does not repair fundamental defect (TNG: "All Good Things...")
- By 2380, research at New Paris into new treatment showed early signs of positive results (Novel: Articles of the Federation)