1999
DOI: 10.1212/wnl.53.9.1963
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Functional anatomy of neuropsychological deficits after severe traumatic brain injury

Abstract: These results suggest a predominant role of prefrontal and cingulate dysfunction in cognitive and behavioral disorders of patients with severe traumatic brain injury, even in the absence of focal structural lesion of the brain. Further cognitive functional activation research using PET or functional MRI might help clarify the relative contributions of both areas to dysfunction.

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Cited by 131 publications
(66 citation statements)
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“…For example, Spinella cited evidence that 20% of individuals who initially abstained from alcohol or who were light drinkers progressed to high consumption levels after their injury. Fontaine et al (1999) reported similar findings that 15% of TBI patients developed alcohol dependence problems within 2 years of their brain injury. Although these changes could be due to psychosocial stressors resulting from a TBI, they may, in part, be directly due to TBI-related frontal lobe dysfunction and resultant changes in Disinhibition and Reward Sensitivity 6 emotional regulation and impulse control (Spinella, 2003).…”
supporting
confidence: 57%
“…For example, Spinella cited evidence that 20% of individuals who initially abstained from alcohol or who were light drinkers progressed to high consumption levels after their injury. Fontaine et al (1999) reported similar findings that 15% of TBI patients developed alcohol dependence problems within 2 years of their brain injury. Although these changes could be due to psychosocial stressors resulting from a TBI, they may, in part, be directly due to TBI-related frontal lobe dysfunction and resultant changes in Disinhibition and Reward Sensitivity 6 emotional regulation and impulse control (Spinella, 2003).…”
supporting
confidence: 57%
“…Sherer et al (2005) indicated that it may be more likely that broadly distributed networks may be disrupted to cause impairments in self-awareness, than any specific lesion location. Because DAI in TBI is associated with frontal, prefrontal, and cingulate hypoperfusion and damage to the subcortical areas (Boone et al, 1999;Fontaine et al, 1999), it would seem likely that frontal networks, including their subcortical projections, are involved in self-awareness. The recent f MRI study by Schmitz et al (2006) provides support for this, indicating that the medial pre-frontal and retrosplenial cortical regions play a primary role in self-referential evaluative processes and that activation of the right anterior dorsolateral prefrontal cortex was associated with reduced accuracy on the PCRS.…”
Section: Discussionmentioning
confidence: 99%
“…Overall, although findings remain inconclusive (Critchley et al, 2000a), most evidence appears at least suggestive of right hemispheric primacy in emotion processing (Adolphs et al, 1996(Adolphs et al, , 2002Erhan et al, 1998). The neural structures associated with emotion processing, whether lateralized or distributed bilaterally, may be particularly vulnerable to damage in TBI due to their anatomical location in the frontal and temporal lobes (Fontaine et al, 1999). Most of these structures are situated near the orbital surfaces of the brain, which are directly adjacent to common points of impact and numerous bony protuberances lining the interior of the skull.…”
Section: Neuropsychological Bases Of Emotion Perception Deficits In Tbimentioning
confidence: 99%