A new account of face apraxia based on a longitudinal study

Sergio Della Sala, Barbara Maistrello, Cristina Motto, Hans Spinnler

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The aim of this paper is to provide an interpretation of face apraxia which accounts also for the role of right hemisphere lesions. Thirty-one patients with left hemisphere (L/pts) and 31 patients with right hemisphere (R/pts) lesions entered a cross-sectional study to identify those presenting with either lower or upper face apraxia. The 16L/pts and 8R/pts who presented with face apraxia in the acute stage and could be retested 4 months later, were followed up longitudinally. The degree of recovery did not differ between the two groups of patients. The traditional hypothesis of face apraxia based on the presence of a left-sided praxis centre could not account for these findings. A new trade-off model of face praxis resources distributed across the two hemispheres is presented. This model, based on individual differences in the healthy brain, accounts for the presence and persistence of face apraxia in a proportion of R/pts.
Original languageEnglish
Pages (from-to)1159-65
Number of pages7
Issue number7
Publication statusPublished - 2006


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