Ethics and Technology ‘in the Making’: An Essay on the Challenge of Nanoethics

After reviewing portions of the 21st Century Nanotechnology Research and Development Act that call for examination of societal and ethical issues, this essay seeks to understand how nanoethics can play a role in nanotechnology development. What can and should nanoethics aim to achieve? The focus of the essay is on the challenges of examining ethical issues with regard to a technology that is still emerging, still ‘in the making.’ The literature of science and technology studies (STS) is used to understand the nanotechnology endeavor in a way that makes room for influence by nanoethics. The analysis emphasizes: the contingency of technology and the many actors involved in its development; a conception of technology as sociotechnical systems; and, the values infused (in a variety of ways) in technology. Nanoethicists can be among the many actors who shape the meaning and materiality of an emerging technology. Nevertheless, there are dangers that nanoethicists should try to avoid. The possibility of being co-opted from working along side nanotechnology engineers and scientists is one danger that is inseparable from trying to influence. Related but somewhat different is the danger of not asking about the worthiness of the nanotechnology enterprise as a social investment in the future.     

Colours sometimes count: awareness and bidirectionality in grapheme-colour synaesthesia

Three experiments were conducted with 10 grapheme-colour synaesthetes and 10 matched controls to investigate (a) whether awareness of the inducer grapheme is necessary for synaesthetic colour induction and (b) whether grapheme-colour synaesthesia may be bidirectional in the sense that not only do graphemes induce colours, but that colours influence the processing of graphemes. Using attentional blink and Stroop paradigms with digit targets, we found that some synaesthetes did report “seeing” synaesthetic colours even when they were not able to report the inducing digit. Moreover, congruency effects (effects of matching the colour of digit presentation with the synaesthetic colour associated with that digit) suggested that grapheme-colour synaesthesia can be bidirectional, at least for some synaesthetes.     

The Meno's Metaphilosophical Examples

I propose that an ill‐appreciated contrast between the examples Socrates gives Meno, to show him how he ought to philosophize, is the key to understanding the Meno. I contend that Socrates prefers his definitions of shape to his account of color because the former are concerned with what shape is, while the latter is concerned with how color comes to be. This contrast suggests that Plato intends an analogous contrast between the (properly philosophical) way of inquiry that leads to Socrates' definition of knowledge as “true belief tied down with an account” and the (not properly philosophical) way of inquiry that leads to Socrates' account of how knowledge comes to be, that is, the “theory of recollection.”     

Retracted:When different is better: performance following upward comparison

The attainability of upward social comparisons is known to affect self‐evaluative responses. The consequences for performance, however, are less well understood. We suggest that demoralizing upward comparisons with unattainable targets may lead to improved performance when the target and performance domains are mismatched. For example, comparison with a target that has been successful in an analytic domain should lead to better performance in a verbal domain. This improvement in performance occurs because increased performance in alternative domains provides an opportunity for self‐evaluation maintenance. In three studies, we demonstrate that upward comparisons to targets whose successes are perceived as threatening lead to improved performance when the task and performance domain do not match, but no improvements when the domains match. Copyright © 2006 John Wiley & Sons, Ltd.     

Working memory contributions to relative clause attachment processing: A hierarchical linear modeling analysis

An eye-movement-monitoring experiment tested readers' responses to sentences containing relative clauses that could be attached to one or both of two preceding nouns. Previous experiments with such sentences have indicated that globally ambiguous relative clauses are processed more quickly than are determinately attached relative clauses. Central to the present research, a recent study (Swets, Desmet, Hambrick, & Ferreira, 2007) showed that offline preferences for such sentences differ as a function of working memory capacity. Specifically, both English and Dutch participants' preference for the second of two nouns as the host for the relative clause increased as their working memory capacity increased. In the present study, readers' working memory capacity was measured, and eye movements were monitored. Hierarchical linear modeling was used to determine whether working memory capacity moderated readers' online processing performance. The modeling indicated that determinately attached sentences were harder to process than globally ambiguous sentences, that working memory did not affect processing of the relative clause itself, but that working memory did moderate how easy it was to integrate the relative clause with the preceding sentence context. Specifically, in contrast with the offline results from Swets and colleagues' study, readers with higher working memory capacity were more likely to prefer the first noun over the second noun as the host for the relative clause.     

Maintenance of Treatment Gains: A Comparison of Enhanced,Standard, and Self-directed Triple P-Positive Parenting Program

This report describes the 3 year outcomes of three different variants of the Triple P-Positive Parenting Program, a behavioural family intervention. Families were randomly assigned to one of three intervention conditions or to a waitlist condition. At 1 year follow-up there were similar improvements on observational and self-report measures of preschooler disruptive behaviour for Enhanced, Standard and Self Directed variants of Triple P. At 3 year follow-up (completed by 139 families), each condition showed a similar level of maintenance of intervention effects. Approximately 2/3 of preschoolers who were clinically elevated on measures of disruptive behaviour at pre-intervention moved from the clinical to the non-clinical range. Across conditions, there was a comparable preventive effect for each intervention for these high risk children. The implications of the findings for the development of brief, cost effective parenting interventions within a public health framework are discussed.     

Metacognition of agency

The feeling that we are agents, intentionally making things happen by our own actions, is foundational to our understanding of ourselves as humans. People's metacognitions of agency were investigated in 4 experiments. Participants played a game in which they tried to touch downward scrolling Xs and avoid touching Os. Variables that affected accuracy included speed of the scroll, density of the targets, and feedback. Of central interest were variables directed not only at accuracy but also at people's control: the turbulence of the cursor and how close the cursor had to come to the target for a hit (i.e., "magic"). After each trial, people made judgments of agency or judgments of performance. People were selectively sensitive to the variables to which they should be responsive in agency monitoring--whether the cursor moved in close synchrony to their movements and whether targets disappeared by magic. People knew, separably from their objective or judged performance, when they were in control and when they were not. These results indicate that people can sensitively monitor their own agency.     

Transposed-letter effects in reading: evidence from eye movements and parafoveal preview

Three eye movement experiments were conducted to examine the role of letter identity and letter position during reading. Before fixating on a target word within each sentence, readers were provided with a parafoveal preview that differed in the amount of useful letter identity and letter position information it provided. In Experiments 1 and 2, previews fell into 1 of 5 conditions: (a) identical to the target word, (b) a transposition of 2 internal letters, (c) a substitution of 2 internal letters, (d) a transposition of the 2 final letters, or (e) a substitution of the 2 final letters. In Experiment 3, the authors used a further set of conditions to explore the importance of external letter positions. The findings extend previous work and demonstrate that transposed-letter effects exist in silent reading. These experiments also indicate that letter identity information can be extracted from the parafovea outside of absolute letter position from the first 5 letters of the word to the right of fixation. Finally, the results support the notion that exterior letters play important roles in visual word recognition.     

Implications of counterfactual structure for creative generation and analytical problem solving

In the present research, the authors hypothesized that additive counterfactual thinking mind-sets, activated by adding new antecedent elements to reconstruct reality, promote an expansive processing style that broadens conceptual attention and facilitates performance on creative generation tasks, whereas subtractive counter-factual thinking mind-sets, activated by removing antecedent elements to reconstruct reality, promote a relational processing style that enhances tendencies to consider relationships and associations and facilitates performance on analytical problem-solving tasks. A reanalysis of a published data set suggested that the counterfactual mind-set primes previously used in the literature tend to evoke subtractive counterfactuals. Studies 1 and 2 then demonstrated that subtractive counterfactual mind-sets enhanced performance on analytical problem-solving tasks relative to additive counterfactual mind-sets, whereas Studies 3 and 4 found that additive counterfactual mind-sets enhanced performance on creative generation tasks relative to subtractive counterfactual mind-sets.