Phenomenology and neural correlates of implicit and emergent motor awareness in patients with anosognosia for hemiplegia.

7 settembre 2012


Moro VPernigo SZapparoli PCordioli ZAglioti SM.


Anosognosia for hemiplegia (AH) is characterized by a lack of awareness of motor disorders and appears associated with fronto-temporal-parietal damage. Neuropsychological evidence indicates that behavioral indices of residual forms of motor awareness may co-exist with explicit denial of impairment. Here we explore whether the attempt by AH patients to perform an action may disclose residual forms of motor awareness and whether such forms are underpinned by different neural structures. Twelve hemiplegic patients affected by AH were tested in tasks assessing: (i) implicit awareness (IA), indexed by discrepancies between verbal reports and actual motor behavior; (ii) emergent awareness (EA), indexed by increased verbal awareness induced by the attempt to perform actions. IA and EA were found in five and three patients, respectively. Lesion analysis indicates that while the lack of IA is associated with damage to subcortical white matter anterior to the basal ganglia, lack of EA is linked to damage to cortical regions including insulo-frontal, temporal and parietal structures. Our results indicate that deficits in explicit and implicit awareness are associated with lesions involving different cortico-subcortical structures. Moreover, the results show that the attempt to perform an action may ameliorate body awareness deficits and have implications for rehabilitation.

Behav Brain Res. 2011 Nov 20;225(1):259-69. Epub 2011 Jul 12
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Books and Monographs

Il test di coordinazione motoria di Charlop-Atwell: la standardizzazione italiana.
Colella R, Quadri G, Boscaini F, Moro V, Albaret JM, 2014

Tornare a scuola dopo una grave cerebrolesione Moro Valentina, Rodolfi Chiara, 2012

La plasticità cerebrale. Alle radici del cambiamento
Moro Valentina, Filippi Barbara, 2010

L'agire educativo nella riabilitazione neuropsicologica
Moro Valentina, 2005

Valentina Moro and Riccardo Sartori are directors for the SEID editor of the series "Strumenti in Psicologia, Educazione e Formazione" [Tools in Psychology, Education and Training].
The purpose of this series is to publish materials and tools for the intervention and evaluation in:

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