All know the importance of sustaining the hopes of a sick man. The reason of this is that his nervous system is then, vastly more than in health, susceptible to the influence of particular states of the mind.
Pressure is calming to the nervous system.
Dementia is, after all, a symptom of organic brain damage. It is a condition, a disorder of the central nervous system, brought about in my case by a viral assault on brain tissue. When the assault wiped out certain intellectual processes, it also affected emotional processes.