What is Mental Illness?

Relaunched: 9 May 2019 There are some very good reasons to try to define what mental illness is and, as a corollary, what good mental health is. For example, if a psychiatrist or clinical psychologist is to treat a patient, they must be able to identify the illness. For psychiatrists and clinical psychologists to be able to recognise illnesses reliably means having a classification system which lists the symptoms (indicators) of the various illnesses. Then, when the illness is correctly identified, the appropriate treatment can be administered. Good mental health is the recognised standard to be achieved via application of the treatment. Also, it is only by linking symptoms together to recognise the syndrome of the illness that is it then possible to search for causes of the illness (aetiology) and apply or develop a treatment for the illness. The example often used to justify this position is that of Richard von Krafft-Ebing. A medical student in the 19th Century, he linked together the symptoms of what we now call Syphilis – delusion, forgetfulness, mental deterioration, eventually paralysis and finally death – to form the syndrome of what he called ‘General Paresis’. From this he established (1886) that General Paresis was caused by infection… Read More