期刊
APPLIED NEUROPSYCHOLOGY-ADULT
卷 -, 期 -, 页码 -出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/23279095.2022.2109029
关键词
Executive functioning; malingering; mild traumatic brain injury
Individuals with mild traumatic brain injury often report difficulties in executive functioning, but there is a discrepancy between self-reported impairments and deficits on neuropsychological tests. Research suggests that self-reported executive functioning may be more related to emotional distress and vulnerable to invalid reporting. The study highlights the importance of validity scales on self-report measures like the BDEFS.
Individuals with mild traumatic brain injury (mTBI) often complain of executive functioning (EF) difficulties. There is a discrepancy between self-reported EF impairment and EF deficits on neuropsychological tests, with some arguing that self-report EF is more related to real-world functioning than EF tests. However, research suggests that self-reported EF may be related more to emotional distress and is vulnerable to invalid reporting. We examined the vulnerability of the short form Barkley Deficits in Executive Functioning Scale (BDEFS) to invalid reporting, using a simulated mTBI paradigm. We included four groups: individuals simulating mTBI with (N = 24) and without (N = 21) histories of mTBI/other psychological conditions and controls with (N = 21) and without (N = 25) histories of mTBI/other psychological conditions. As hypothesized, simulators performed worse on the BDEFS Total Score and EF Symptom Count relative to controls; however, this effect was larger within those who had no self-reported history of mTBI/other psychological conditions. We identified a preliminary cutoff on the EF Symptom Count that detected 42.8% of simulators, with 95% specificity relative to the controls with histories of mTBI/other psychological conditions. The present study emphasizes the need for validity scales on self-report EF measures such as the BDEFS.
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