Against a role for attentional disengagement in the gap effect: A friendly amendment to Tam and Stelmach (1993)

Saccadic reaction time (RT) is reduced when the fixation point is removed shortly before target onset. Although Tam and Stelmach (1993) argued that thisgap effect could not be explained solely by the idea that fixation offset disengaged visual attention and preferred an explanation based on disengagement of the oculomotor system, they felt that they could not rule out a hybrid model in which both oculomotorand attentional disengagement contribute to the gap effect. Our analysis of the dual response experiment (Experiment 4), upon which this hybrid model was based, shows that manual and saccadic responses were likely compromised by a grouping or delay strategy and that subjects may not have been attending as instructed. On these grounds, we argue that Tam and Stelmach (1993), like Kingstone and Klein (1990; 1993a) provide no evidence that attentional disengagement contributes to the gap effect. An alternative proposal (Klein & Kingstone, 1993), that motor preparation and oculomotor disengagement combine additively to produce the gap effect, is consistent with the data from Tam and Stelmach’s Experiments 1–3, is similar to the explanation that they prefer, and has been strongly supported when directly tested (Kingstone, Klein, & Taylor, 1994).     

Reckoning with the last enemy

Developing the ethics of palliative sedation, particularly in contrast to terminal sedation, requires consideration of the relation between body and soul and of the nature of death and dying. Christianly considered, it also requires attention to the human vocation to immortality and hence to the relation between medicine (as aid for the body) and discipline (as aid to the soul). Leaning on Augustine’s rendering of the latter, this paper provides a larger anthropological and soteriological frame of reference for the ethics of palliative sedation, organized by way of nine briefly expounded theses. It argues that palliative sedation, like other elements of medicine, is appropriate where, and only where, it properly orders care for the body to the requirements of care for the soul.     

Consumer friendly financial services: Combining efficiency and effectiveness

Overemphasis on efficiency is interfering with the banking sector's effectiveness. This overemphasis on efficiency has resulted in the use of computers and other technological devices without consideration of consumer's needs (effectiveness). The authors identify and relate seven individual psychological needs for banks' services to Maslow's hierarchy of needs. By fulfilling these seven needs, the authors demonstrate how banks can optimize their long term profit by combiningefficiency and effectiveness. Finally, the authors posit that banks must use a Theory Y management style to deal with their customers efficiently and effectively.The authors are grateful to Dr. M. Joseph Sirgy for his constructive criticism and support and to the anonymous reviewers of theJournal of Business and Psychology for their very incisive comments.     

Against Against Intuitionism

The main ideas behind Brouwer’s philosophy of Intuitionism are presented. Then some critical remarks against Intuitionism made by William Tait in “Against Intuitionism” [Journal of Philosophical Logic, 12, 173–195] are answered.     

Selling Yourself: Titmuss's Argument Against a Market in Blood

This article defends Richard Titmuss's argument, and PeterSinger's sympathetic support for it, against orthodoxphilosophical criticism. The article specifies thesense in which a market in blood is ``dehumanising' ashaving to do with a loss of ``imagined community' orsocial ``integration', and not with a loss of valued or``deeper' liberty. It separates two ``domino arguments'– the ``contamination of meaning' argument and the``erosion of motivation' argument which support, indifferent but interrelated ways, the claim that amarket in blood is ``imperialistic.' Concentrating onthe first domino argument the article considers theview that monetary and non-monetary meanings of thesame good can co-exist given the robustness of certainkinds of relationship and joint undertakings withinwhich gifts can figure. It argues that societalrelationships are vulnerable or permeable to theeffects of the market in a way that those constitutiveof the personal sphere are not.General, more broadly political questions remainunanswered but the core of Titmuss's original andchallenging argument remains and can be presented ina defensible form.     

Against a Minimalist Reading of Bell's Theorem: Lessons from Fine

Since the validity of Bell's inequalities implies the existence of joint probabilities for non-commuting observables, there is no universal consensus as to what the violation of these inequalities signifies. While the majority view is that the violation teaches us an important lesson about the possibility of explanations, if not about metaphysical issues, there is also a minimalist position claiming that the violation is to be expected from simple facts about probability theory. This minimalist position is backed by theorems due to A. Fine and I. Pitowsky.Our paper shows that the minimalist position cannot be sustained. To this end,we give a formally rigorous interpretation of joint probabilities in thecombined modal and spatiotemporal framework of `stochastic outcomes inbranching space-time' (SOBST) (Kowalski and Placek, 1999; Placek, 2000). We show in this framework that the claim that there can be no joint probabilities fornon-commuting observables is incorrect. The lesson from Fine's theorem is notthat Bell's inequalities will be violated anyhow, but that an adequate modelfor the Bell/Aspect experiment must not define global joint probabilities. Thus we investigate the class of stochastic hidden variable models, whichprima facie do not define such joint probabilities. The reasonwhy these models fail supports the majority view: Bell's inequalities are notjust a mathematical artifact.