Neuropsychological functioning in early hydrocephalus: review from a developmental perspective.

Children with hydrocephalus have deficits in several neuropsychological domains. The most notable are motor, visuoperceptual, and visuomotor function. These deficits are multiply determined and depend on the etiology and severity of the hydrocephalus to a large extent. Corpus callosum abnormalities resulting from stretching of callosal fibers and other cortical white matter tracts are implicated as contributory to these deficits. Enlarged ventricles and associated compression of posterior cortical areas also correlate with cognitive impairment. Distinguishing which cognitive domain negatively impacts on the child's functioning and which domains influence behavior in isolation or in combination has been the subject of numerous studies. Developmentally, we know little about the emergence of neuropsychological functioning in children with hydrocephalus. Study of the effects of hydrocephalus at different stages of development is useful to clinicians and researchers interested in the impact of diffuse neurophysiological damage on cognition in the developing brain. The medical and neuropsychological literature have begun to inform about these effects. The core deficits in hydrocephalus have yet to be explicated and a focus on investigations that answer these questions is required. This review summarizes the current knowledge about neurocognitive sequelae of hydrocephalus.     

Perceived Genetic Risks for Bipolar Disorder in a Patient Population: An Exploratory Study

Thirty-one subjects with bipolar illness completed a questionnaire about genetic risk for bipolar disorder. Subjects estimated both quantitative and qualitative genetic risk for bipolar disorder for the following categories: general population, siblings, parents, spouses, and children. Results showed that quantitative risks were inflated when compared to qualitative risks and that subjects routinely overestimated the risk for developing bipolar illness. These findings suggest that genetic counseling may be useful for this population.     

Neuropsychological Dysfunction in Children with Borderline Personality Disorder Features: A Preliminary Investigation

Borderline personality disorder (BPD) is often linked to neuropsychological deficits, yet few studies have examined BPD or its features and concomitant neuropsychological dysfunction in childhood. This study examined children with borderline features (n = 21) using the Coolidge Personality and Neuropsychological Inventory for Children and compared them to controls (n = 21) with features of at least one personality disorder, but not BPD. As hypothesized, the BPD group scored significantly higher than the control group on the Attention Deficit/Hyperactivity Disorder, Executive Functions Deficits, Mild Neurocognitive Disorder, Conduct Disorder, and Oppositional Defiant Disorder scales. It appears that behavioral disturbances associated with BPD are linked strongly with neuropsychological dysfunction. Because none of the children with BPD features in the present sample had a history of traumatic brain injury (TBI), it appears likely that TBI in the histories of adult BPD patients may not be the cause of BPD, but traits such as anger and impulsivity in BPD may cause TBI. Clinical implications and future research directions are discussed.     

Gender Discrimination as a Function of Stereotypic and Counterstereotypic Behavior: A Cross-Cultural Study

This study investigated gender discriminatory behavior of early adolescents from a cross-cultural perspective. One hundred sixty 7th-graders (80 Israeli Arabs and 80 Israeli Jews) were presented with two male candidates for class representative, one outstanding candidate with traditional feminine interests and characteristics, and the other an average candidate with masculine interests and characteristics. Participants were asked to rate the candidates on various measures such as their own election choice, others' election choice, their prediction of the candidate's likelihood of being elected, and their affinity and willingness to engage in activities with the candidate. The results showed that while both Arab and Jewish participants discriminated against the feminine candidate, the Arab participants discriminated to a much greater degree. The results emphasize the important role that culture plays in gender discriminatory behavior.     

Data Trimming, Nuclear Emissions, and Climate Change

Ethics requires good science. Many scientists, government leaders, and industry representatives support tripling of global-nuclear-energy capacity on the grounds that nuclear fission is “carbon free” and “releases no greenhouse gases.” However, such claims are scientifically questionable (and thus likely to lead to ethically questionable energy choices) for at least 3 reasons. (i) They rely on trimming the data on nuclear greenhouse-gas emissions (GHGE), perhaps in part because flawed Kyoto Protocol conventions require no full nuclear-fuel-cycle assessment of carbon content. (ii) They underestimate nuclear-fuel-cycle releases by erroneously assuming that mostly high-grade uranium ore, with much lower emissions, is used. (iii) They inconsistently compare nuclear-related GHGE only to those from fossil fuels, rather than to those from the best GHG-avoiding energy technologies. Once scientists take account of (i)–(iii), it is possible to show that although the nuclear fuel cycle releases (per kWh) much fewer GHG than coal and oil, nevertheless it releases far more GHG than wind and solar-photovoltaic. Although there may be other, ethical, reasons to support nuclear tripling, reducing or avoiding GHG does not appear to be one of them.     

Using the ADI-R to diagnose autism in preschool children

The use of an investigator-based interview (Autism Diagnostic Interview—Revised; ADI-R) in the diagnosis of 51 autistic and 43 nonautistic mentally handicapped preschool children of equivalent mental and chronological age is described. Significant differences occurred between the groups on every diagnostic subdomain from the DSM-IV/ICD-10 draft criteria, except specific aspects of stereotyped language, still relatively rare in these young children. All but one of the 51 children judged to be autistic by clinical observation and only two of the 30 nonautistic mentally handicapped children with mental ages of 18 months or higher met criteria for autism on an algorithm to DSM-IV/ICD-10 draft criteria. However, discrimination using domain totals between autistic and the 13 nonautistic, nonverbal mentally handicapped children with mental ages under 18 months was poor. Quality of social overtures to adults and peers, play, and unusual sensory behaviors and mannerisms continued to differentiate these two groups. The relevance of these findings to the diagnosis of autism in preschool children is discussed.     

Racial Socialization,Private Regard,and Behavior Problems in African American Youth: Global Self-Esteem as a Mediator

Racial socialization messages appear to have varying impacts on the adjustment of African American youth. To further explore this, we examined how two types of racial socialization messages might influence African American youth internalizing and externalizing behavior. The Youth Self Report was used to measure these behavior outcomes. Given that racial socialization messages may not be directly linked to behavior outcomes, we considered private regard, an aspect of racial identity, to serve as a mediator. Additionally, we examined global self-esteem as a mediator of the complex dynamic between racial socialization messages and behavior outcomes. Adolescents in our study completed paper assessments. Majority of the participants were female (56?%) and reside in a metropolitan area in the Mid-Atlantic region. Adolescent’s ages ranged from 14 to 17 years with the average age being 15 years old. Path analysis revealed cultural pride and alertness to discrimination messages varied in their relation to private regard. Results also indicated a strong linkage between private regard, global self-esteem, and internalizing behaviors. Interestingly, the linkage between private regard, global self-esteem and externalizing behaviors was not as robust. Further, private regard appeared to directly and indirectly impact externalizing behaviors. The implications of these findings for racial socialization strategies, identity development (racial and global) as it pertains to behavior problems for African American adolescents are discussed.