Reduced awareness of illness is a well-known phenomenon that has been studied in patients with vascular disease, but the precise nature of their executive dysfunction is an intriguing question that still has to be resolved. It would be particularly interesting to study patients with reduced awareness of disease possibly related to vascular lesions of the prefrontal cortex. Due to the clinical importance of the case, here we present a patient with a selective right anterior cingulate ischemic injury and impaired awareness of deficits. We suggest that the cingulo-frontal area dysfunction may represent one of the corresponding neurobiological substrates of his persistent unawareness, which has not yet been evaluated in the literature on patients with acquired brain injury (ABI).
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