The other three types involved increasing degrees of intellectual abnormality: a partial derangement that was limited to certain trains of thought; a full mania, by which was meant 'raving madness' regardless of topic; and lastly, a breakdown of any connections between ideas, referred to as incoherence or dementia.
The three other types of mental illness involved increasing degrees of intellectual impairment: a partial derangement that affected only certain thought patterns; a full mania, which was characterized by 'raving madness' regardless of the topic; and lastly, a breakdown of any connections between ideas, referred to as incoherence or dementia.