Jacques Jean Lhermitte and the syndrome of peduncular hallucinosis

A potential case of peduncular hallucinosis treated successfully with olanzapine.

Visual hallucinations have a differential diagnosis, both psychiatric and nonpsychiatric in nature. Described first by Lhermitte, peduncular hallucinosis is an uncommon etiology of visual hallucinations (VH). Typically, the offending lesion is vascular in origin and occurs at the level of the midbrain, thalamus, or rostral brainstem. Interestingly, the origin of the VH in our patient's case cou...

Applied Nonlinear Control JEAN - JACQUES

Jean Jacques DuMortier 1904-1934

Jean DuMortier from whom he received a rich physical and mental' inheritance. His early education was received in the Norwalk public schools and at Harstrom's Preparatory School. He went to Williams College for two years, where he creditably participated in athletics-swimming, track, and football. His last two years of college were spent at Columbia University where he received the degree of Ba...

Logos and Ethos: The Civil Religion in the Political Philosophy of Jean-Jacques Rousseau

This article explores the concept of civil religion from the perspective of Jean-Jacques Rousseau. It starts with a discussion of the essence of sovereignty as the implementation of general will, which, the author explains, is manifested in the obedience of the laws. The article then discusses the way in which, in Rousseau’s view, institutional mechanisms work and thereupon explores how he envi...

Peduncular-like Hallucinosis in the Absence of Midbrain or Thalamic Damage

An 87 year-old man was admitted for Peduncular hallucinosis (PH) characterized by acute vivid, continuous, complex visual and auditory hallucinations, which were triggered by fixation on a blank wall. The MRI revealed a subacute left parietal stroke. The symptoms disappeared after six weeks. An fMRI experiment, using periods of visual stimulation (checkerboard, VS) alternating with a hallucinos...