Sensory Automatism is the term given by students of psychical research to a centrally initiated hallucination.
In cycling), it is purely automatic. On the other hand, if the attention is fixed on the end or on any particular part of a given action, and the other component parts of the action are performed unconsciously, the automatism may be called relative.
At this point, having rejected both the Newtonian mechanism of bodily substances and the Leibnitzian automatism of monadic substances, he flew to the Spinozistic unity of substance; except that, according to him, the one substance, God, is not extended at all, and is not merely thinking, but is a thinking, willing and acting spirit.
The Chateau of the duc de Luynes, the translator of the Meditations, was the home of a Cartesian club, that discussed the questions of automatism and of the composition of the sun from filings and parings, and rivalled Port Royal in its vivisections.
On leaving the Erasmus school at Rotterdam he gave proof of his ability by an Oratio scholastica de medicina (1685), and at Leiden University in 1689 he maintained a thesis De brutorum operationibus, in which he advocated the Cartesian theory of automatism among animals.
An interesting form of speech automatism is known as Glossolalia; in the typical case of Helene Smith, Th.