Claustral Delusions

Insane Delusions

Mapping synaptic cortico-claustral connectivity in the mouse.

The claustrum is an intriguing brain structure, featuring the highest connectivity per regional volume in the brain. It is a thin and elongated structure enclosed between the striatum and the insular cortex, with widespread reciprocal connections with the sensory modalities and prefrontal cortices. Retinotopic and somatotopic organizations have been described in the claustrum, and anatomical st...

Delusions of parasitosis.

The most common monosymptomatic hypochondriacal psychosis encountered by a dermatologist is delusions of parasitosis. In this condition, patients have an "encapsulated" fixed, false belief that they are infested with parasites or have foreign objects extruding from their skin. The patient will often experience feelings of biting, crawling and stinging related to the delusion. Most patients do n...

Delusions in Young People

A delusion is usually decribed as an erroneous belief of the falseness of which its possessor cannot be persuaded of by reasoning nor by the evidence of his own senses, and which is contrary to the general belief of persons of his own race, age, standing and training. A person who believes that he can raise men from the dead or one who states that he is a canary or another who believes that he ...

Delusions of Parasitosis

Patients who are falsely convinced that a parasite has invaded their body are extremely difficult to treat. They are at once desperate for help and disdainful of efforts to help them. They insist that anti-infective medication be prescribed, but they are dubious that it will be effective. These patients despair of finding a credulous physician, and they continue to seek different therapies to c...