Husain, K.Z.; (2007) Awareness of deficits after brain injury: The role of executive function and metacognition. Doctoral thesis , University of London.

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Abstract

This review discusses the phenomenon of impaired self-awareness after brain injury. Examples of theoretical models influential in the understanding of impaired self- awareness are described. On a cognitive level, executive processes are implicated in the construction of self-awareness. A review of the empirical literature on the role of executive function in impaired self-awareness after brain injury is reported, in which ten relevant studies are reviewed. The most prevalent method of assessing impaired self-awareness has been by questionnaire. Impaired executive functioning was found to be associated with impaired self-awareness in the majority of studies. This is despite variations in the way impaired self-awareness and executive functions were assessed, and mixed patient samples with regard to severity and cause of brain injury, lesion location, time since injury, inclusion and exclusion criteria, and whether they had received rehabilitation. Recommendations for future research are made.

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