Resource Document on Access to Firearms by People with Mental Disorders

The American Psychiatric Association, (“APA”), with more than 36,000 members at present, is the Nation's leading organization of physicians who specialize in psychiatry. APA provides for education and advocacy and develops policy through Position Statements. It promotes enhanced knowledge of particular topics relevant to psychiatric practice and patient care through Resource Documents. Since 1993, the APA has developed various positions and resource materials related to firearms and mental illness, incorporating evolving themes as new issues emerge. This paper reflects the APA's 2014 Resource Document on “Access to Firearms by People with Mental Disorders.” This article is derived from work done on behalf of American Psychiatric Association and remains the property of APA. It has been altered only in response to the requirements of peer review. Copyright © 2015 American Psychiatric Association. Published with permission (original adopted by the American Psychiatric Association 2014).     

Brain hyper‐connectivity and operation‐specific deficits during arithmetic problem solving in children with developmental dyscalculia

Developmental dyscalculia (DD) is marked by specific deficits in processing numerical and mathematical information despite normal intelligence (IQ) and reading ability. We examined how brain circuits used by young children with DD to solve simple addition and subtraction problems differ from those used by typically developing (TD) children who were matched on age, IQ, reading ability, and working memory. Children with DD were slower and less accurate during problem solving than TD children, and were especially impaired on their ability to solve subtraction problems. Children with DD showed significantly greater activity in multiple parietal, occipito‐temporal and prefrontal cortex regions while solving addition and subtraction problems. Despite poorer performance during subtraction, children with DD showed greater activity in multiple intra‐parietal sulcus (IPS) and superior parietal lobule subdivisions in the dorsal posterior parietal cortex as well as fusiform gyrus in the ventral occipito‐temporal cortex. Critically, effective connectivity analyses revealed hyper‐connectivity, rather than reduced connectivity, between the IPS and multiple brain systems including the lateral fronto‐parietal and default mode networks in children with DD during both addition and subtraction. These findings suggest the IPS and its functional circuits are a major locus of dysfunction during both addition and subtraction problem solving in DD, and that inappropriate task modulation and hyper‐connectivity, rather than under‐engagement and under‐connectivity, are the neural mechanisms underlying problem solving difficulties in children with DD. We discuss our findings in the broader context of multiple levels of analysis and performance issues inherent in neuroimaging studies of typical and atypical development.     

Cosmetic Customization of Mobile Phones: Cultural Antecedents,Psychological Correlates

Mobile phones are seen as extensions of the self, with users individualizing their phones via customized accessories and features. A Korea–U.S. comparison survey (N = 551) examines the degree to which aspects of cultural psychology predict aesthetic motivations for mobile-phone customization, including the possibility that repression of self-expression in predominantly collectivistic Eastern cultures may be fueling the need to publicly express oneself through visible accessories. Furthermore, it explores psychological correlates of the tendency for cosmetic customization. Analyses using structural equation modeling show that culture predicts other-directedness, which is associated with aesthetic motivations for cosmetic customization of mobile phones, which in turn is related to product attachment—a relationship that is mediated by the degree to which users perceive their phones as reflecting their self. Theoretical contributions include an empirically based explication of the social psychology underlying the phenomenon of personal-media accessorizing, with practical implications for the design of customization options and cross-cultural marketing of mobile phones.