Poor awareness of deficit is common after brain injury. Recent literature has examined various tools for measurement of this phenomenon; the most widely used being self-other rating scales. Although self-other scale measures have face validity, their criterion-related validity has not been adequately demonstrated, and there is little information as to whether and how they relate to other neuropsychological measures. The present study compared measurement of awareness by the Dysexecutive (DEX) Questionnaire self-other rating scale with the Self-Awareness of Deficits Interview (SADI), a semistructured interview measure. Evaluation of awareness by these measures was compared to tests of executive functioning and IQ. Results indicated significant, albeit marginal relationships between the two measures, and better correlation of the SADI with measures of frontal lobe functioning. The SADI also predicted injury severity.
A group of eight patients with severe depression lasting 6 years or longer were treated with anterior capsulotomy and followed prospectively. Stereotactic surgery was used to produce radiofrequency lesions in the anterior limbs of both internal capsules. For all patients, there are follow-up data for at least 24 months. At 24-to-36 months postoperatively, four patients were either not-depressed or mildly depressed; one was mildly-to-moderately depressed; one was moderately-to-severely depressed; and only one remained severely depressed. One patient developed a progressive vascular dementia with parkinsonism caused by autopsy-proven arteriolosclerosis.
Sexually intrusive behaviour, which may range from inappropriate commentary to rape, is often observed following a traumatic brain injury. It may represent novel behaviour patterns or an exacerbation of pre-injury personality traits, attitudes, and tendencies. Sexually intrusive behaviour poses a risk to staff and residents of residential facilities and to the community at large, and the development of a sound assessment and treatment plan for sexually intrusive behaviour is therefore very important. A comprehensive evaluation is best served by drawing on the fields of neuropsychology, forensic psychology, and cognitive rehabilitation. The paper discusses the types of brain damage that commonly lead to sexually intrusive behaviour, provides guidance for its assessment, and presents a three-stage treatment model. The importance of a multidisciplinary approach to both assessment and treatment is emphasized. Finally, a case example is provided to illustrate the problem and the possibilities for successful management.
This new and simple burr hole technique was associated with a significant reduction in postoperative intracranial air. Reduction of intracranial air will ultimately reduce brain shift. That total operation time does not influence intracranial air is discussed as well as the limitations of this pilot series. In the authors' opinion, this straightforward and cost-effective technique has the potential to reduce brain shift and to increase DBS placement accuracy during functional stereotactic neurosurgical procedures performed in the seated or half-sitting position. A larger more standardized patient series is necessary to substantiate the findings.
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