Imitation and utilisation behaviour.

E De Renzi; F Cavalleri; S Facchini

doi:10.1136/jnnp.61.4.396

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Imitation and utilisation behaviour.

E De Renzi·F Cavalleri·S Facchini

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Abstract

OBJECTIVE: To investigate the incidence, anatomical correlates, and clinical features of imitation and utilisation behaviour, which are thought by Lhermitte and coworkers to represent a reliable and frequent index of frontal lobe disease. METHODS: 78 patients with hemispheric local lesions were tested in two separate sessions, in which their reactions to a series of gestures performed by the examiner and to the presentation of a set of objects were recorded. The patients were stratified into a frontal (n = 52) and a non-frontal group (n = 26) on the basis of their CT data. RESULTS AND CONCLUSIONS: Imitation behaviour was present in 39% of the frontal patients and was mainly associated with medial and lateral lesions, at odds with the claim of Lhermitte et al that it is a constant accompaniment of lower, mediobasal lesions. In the non-frontal group it was found in three patients, all with damage to the deep nuclei region. Utilisation behaviour was a much rarer phenomenon, present in only two patients, both of whom had frontal damage. Neither imitation behaviour nor utilisation behaviour were found in patients with retrorolandic cortical lesions.

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Female Frontal Lobe Humans Imitative Behavior Infant, Newborn Male Middle Aged Neuropsychological Tests Tomography, X-Ray Computed Journal Article Research Support, Non-U.S. Gov't

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E De Renzi, F Cavalleri, S Facchini. 1996. Imitation and utilisation behaviour.. https://doi.org/10.1136/jnnp.61.4.396

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