Discrimination learning in a foraging situation

Rats were allowed to forage in a simulated natural environment made up of eight food sources (patches) each containing a fixed number of pellets. Two of the eight contained an extra supply of peanuts. The peanut patches were signaled by an olfactory/visual cue located at the bottom of the ladder leading to the patch. In successive phases the number of sessions per day, height of the patches, and availability of peanuts were manipulated. Subjects showed evidence of discrimination learning under these conditions, although the degree of discriminatory behavior varied as a function of environmental manipulations. Assessment of behavior within foraging sessions showed that subjects systematically changed their patterns of utilization of patches across time. Sampling or exploration, as well as food reinforcement, seem implicated in these results.     

DISPOSABLE BODIES,DISABLED MINDS,AND CHRISTIAN HOPE: RESURRECTION IN LIGHT OF TRANSHUMANISM AND INTELLECTUAL DISABILITY

This piece brings into critical conversation Christian resurrection hope, virtual versions of transhumanism, and intellectual disability and demonstrates that Christian resurrection provides a more cogent hope for people with severe intellectual disabilities than transhumanism. I argue that transhumanist virtual futures are theologically problematic, as bodily resurrection is neither required nor desirable. It is particularly problematic for people with severe intellectual disabilities given the way they would be excluded from these futures. Disability theology also raises issues with the traditional notions of “healing” in the resurrection and the implications for the value and identity of persons with intellectual disabilities. Starting with these problems, I explore the nature of Christian hope, noting the inadequacies of a virtual transhumanist future with respect to both resurrection faith and intellectual disability, and address how resurrection hope can account for issues raised in disability theology, and so properly include people with intellectual disabilities.     

Psychopathy and structure of primary mental abilities

The Comprehensive Ability Battery (CAB) was used to assess 18 primary mental abilities in 53 white, male prison inmates for whom highly reliable ratings of psychopathy were available. None of the correlations between ratings of psychopathy and scores on the CAB tests was significant, and the overall pattern or structure of abilities was the same for inmates with low and high ratings of psychopathy. The possibility is raised that the personality characteristics of psychopaths make them appear to be brighter and more creative than they actually are. Compared with norms for male high school students, the inmates as a group generally performed well, falling near the 50th percentile on 11 of the tests. The inmates performed significantly better than the normative sample on tests of verbal ability, esthetic judgment, aiming, and representational drawing, and significantly worse on tests of ideational fluency, spontaneous flexibility, and word fluency.This research was supported by Grant MT-4511 from the Medical Research Council of Canada.     

A systematic review of the effectiveness of psychoanalysis,psychoanalytic and psychodynamic psychotherapy with adults with intellectual and developmental disabilities: progress and challenges

Objectives: This systematic review aimed to critically appraise the literature on the efficacy and effectiveness of psychoanalysis, psychoanalytic and psychodynamic psychotherapy in adults with intellectual and developmental disabilities (IDD). Method: A systematic search of electronic databases was carried out. The methodological quality of the studies was assessed using a quality assessment tool and comparisons were made with a review of the quality of research on the effectiveness of cognitive behavioural therapy (CBT) for people with IDD. Results: The search yielded 13 papers which provided evidence for the effectiveness but not efficacy of psychoanalytic and psychodynamic psychotherapy; but none were found for psychoanalysis. The quality of the research was generally poor compared to the current research on the effectiveness of CBT. Conclusions: Positive outcomes have been indicated for psychoanalytic and psychodynamic psychotherapy with people with IDD. Larger scale, more controlled research is necessary to advance the evidence base.     

The gap between law and ethics in human embryonic stem cell research: Overcoming the effect of U.S. Federal policy on research advances and public benefit

Key ethical issues arise in association with the conduct of stem cell research by research institutions in the United States. These ethical issues, summarized in detail, receive no adequate translation into federal laws or regulations, also described in this article. U.S. Federal policy takes a passive approach to these ethical issues, translating them simply into limitations on taxpayer funding, and foregoes scientific and ethical leadership while protecting intellectual property interests through a laissez faire approach to stem cell patents and licenses. Those patents and licenses, far from being scientifically and ethically neutral in effect, virtually prohibit commercially sponsored research that could otherwise be a realistic alternative to the federal funding gap. The lack of federal funding and related data-sharing principles, combined with the effect of U.S. patent policy, the lack of key agency guidance, and the proliferation of divergent state laws arising from the lack of Federal leadership, significantly impede ethical stem cell research in the United States, without coherently supporting any consensus ethical vision. Research institutions must themselves implement steps, described in the article, to integrate addressing ethical review with the many legal compliance issues U.S. federal and state laws create. The opinions expressed in this article are the author’s own, and are not necessarily the opinions of others, including Children’s Hospital Boston. Portions of earlier versions of this article were previously published by the American Bar Association and the New York State Bar Association.     

Unity and Disunity in Landmarks: The Rivalry Between Petr Struve and Mikhail Gershenzon

In this article the most important text of twentieth-century Russian intellectual history, Landmarks (Vekhi) (1909) comes under reexamination. Looking at the rivalry of the volume's two organizers, Mikhail Gershenzon and Petr Struve, Professor Brian Horowitz explains why Landmarks succeeded in offering such a biting critique of radical ideology, while lacking its own internal intellectual unity.     

Shackling the shoulders of giants

This paper informally summarizes a two-day symposium held at the U.S. National Academy of Sciences in Washington, D.C., September 5–6, 2002. The issue was to what extent the progress of science and societal capacity for continued technological innovation are threatened by excessive protection of intellectual property. Excessive protection creates disadvantages not only for scientists and inventors but also for educators/students and for librarians/clientele. Speakers from a variety of disciplines and institutions agreed unanimously that scientific and technological progress is, indeed, under serious threat. Various opinions were expressed about the degree of threat, currently and prospectively, as well as what counter-measures are best suited to resist undue restrictions on creative uses of scientific and technical data and information. This summary is based entirely on the author’s notes from the symposium, and the commentary offered is his alone. My apologies to the speakers if this paper does not accurately reflect the primary intent of their presentations. The “Suggested Readings” offered at the end are not specific to the speakers’ statements but rather are offered as a general resource to aid further research. The definitive record of the symposium is planned to be available from the National Academies Press as a Proceedings publication in the summer of 2003. John Gardenier is an independent researcher, ethicist and science writer.     

PHILOSOPHERS OF INTELLECTUAL DISABILITY: A TAXONOMY

Abstract: This essay explores various roles that philosophers occupy in relation to intellectual disability. In examining how philosophers define their object of inquiry as experts and gatekeepers, it raises critical questions concerning the nature of philosophical discourse about intellectual disability. It then goes on to consider three alternate positions, the advocate or friend, the animal, and the "intellectually disabled," each of which points to new ways of philosophizing in the face of intellectual disability.     

Career-specific parental behaviors in adolescents’ development

Parents are major partners in helping adolescents prepare for a career choice. Although several studies have examined links between general aspects of the parent-adolescent relationship and adolescents’ career development, little research has addressed the mechanisms involved. This study aimed to validate a three-dimensional instrument for the assessment of parental career-related behaviors and to examine their associations with career exploration and decision-making difficulties. After testing the dimensional structure of the instrument, we examined the relationship between parents’ behaviors and adolescents’ career development by using data from 359 German adolescents who reported the amount of perceived parental career-related behaviors and their career exploration and decision-making difficulties. The results of structural equation modeling confirmed the hypothesized dimensional structure (support, interference, lack of engagement). While parental support associated positively with career exploration, interference and lack of engagement associated with decision-making difficulties. Furthermore, interference and lack of engagement moderated the relationship between support and exploration. Support moderated the association between interference and decision-making difficulties.