A.R. LURIA AND NON-VOLITIONAL VERBAL BEHAVIOUR
Journal Title: Acta Neuropsychologica - Year 2003, Vol 1, Issue 1
Abstract
In 1977 Luria reported the case of a young woman who following subcortical damage could not help producing verbal paraphasias: in spite of herself she would often utter words different from the ones she intended to use. This case is not unique. A number of unintentional verbal behaviours have been reported which have been, or can be, related to subcortical lesions or dysfunctions. An example of this is coprolalia. The basal ganglia and the limbic system can be implicated in the involuntary utterance of vulgar words. Indeed, the existence of a limbic vocabulary can be postulated. Compulsive echolalia, unintentional repetition of words and part-words, palilalia, paligraphia, recurrent utterance, and stuttering are further instances of non-volitional verbal behaviours which can be related to disinhibition or hyperfunction of subcortical structures. This holds true in respect to tachy- and bradyphemia, as well as in respect to intrusive inner speech. A plausible explanation is offered for these non-deliberate verbal behaviours. Luria, then, was right in insisting, at the end of his 1977 paper, that the part played by the deep structures of the brain in language pathology must be carefully studied.
Authors and Affiliations
Yyan Lebrun
Keywords
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