Functional Neuroimaging of Symptom Validity Testing in Traumatic Brain Injury

The Word Memory Test (WMT) is a commonly used symptom validity test (SVT) that assesses recognition verbal memory. The task has been adapted for use within a functional magnetic resonance imaging (fMRI) paradigm so the neural correlates of WMT activation patterns can be studied. In the current investigation, performance on the delayed recognition subtest of the WMT was examined in two patients who sustained severe TBI and compared to ten healthy controls. The patients underwent comprehensive neuropsychological evaluations and structural MRI. All participants completed two versions of the WMT: full-effort and simulated poor effort conditions. Despite extensive structural brain damage, the fMRI activation patterns during full-effort WMT performance were somewhat similar in the two TBI patients and likewise, somewhat similar to controls. The fMRI activation pattern in both patients demonstrated intact activation of the basic neural structures necessary to perform the WMT. Dissimilar patterns of activation were obtained during the simulated poor effort condition of WMT performance suggesting that fMRI techniques may be sensitive in demonstrating non-credible cognitive performance. The results of our study represent the first fMRI investigation of normal and simulated poor effort SVT performance in individuals with documented brain damage. The implications of fMRI techniques in SVT research and their clinical application are discussed.     

A comparison of memory for homicide, non-homicidal violence, and positive life experiences

Defendants commonly claim amnesia for their criminal actions especially in cases involving extreme violence. While some claims are malingered or result from physiological factors, other cases may represent genuine partial or complete amnesia resulting from the psychological distress and/or extreme emotion associated with the perpetration of the crime. Fifty Canadian homicide offenders described their memories of their homicide, a non-homicide violent offense, and their most positive adulthood life experience. Self-reported and objective measures of memories for these events revealed that homicides were recalled with the greatest level of detail and sensory information. Although dissociative tendencies were associated with a self-reported memory loss, objective measures of memory quality did not reflect this perceived impairment, suggesting a failure of meta-memory. Recollections of positive life events were superior to those of non-homicidal violence, possibly due to greater impact and meaning attached to such experiences. Findings suggest that memory for homicide typically is enhanced by the powerful emotion associated with its perpetration.     

The Juvenile Justice Reform Act of 2018: Updating the Federal Approach to Youth Involved,and At‐Risk of Becoming Involved,in the Juvenile Justice System

On December 21, 2018, the Juvenile Justice Reform Act was signed into law, marking the first update in 16 years to the Juvenile Justice and Delinquency Prevention Act of 1974, as amended. The reforms reflect much of the knowledge that has been gained through research and science over the past decade and strengthen the Act’s core protections for youth in the juvenile justice system. The changes also expand the Office of Juvenile Justice and Delinquency Prevention’s role in research, and technical assistance, and provide for additional oversight for related programs.     

An Approach to Measuring Subnational Administrative Autonomy in Education

Efforts to measure decentralization have focused on political or fiscal autonomy, but not on administrative autonomy. Focusing on the education sector, we measured de facto subnational administrative autonomy across 64 countries/economies, via the domains of human resource management, salary management, budget management, and service content design. The findings reveal that subnational autonomy can differ substantially across those domains and within countries, and that the use of a single country-level indicator for administrative decentralization is inadequate. Furthermore, we show that administrative decentralization is as significant a factor as federal status in evaluating the degree to which a country/economy is decentralized or centralized.