The efficacy of “right” as a function of its relationship with reinforcement

The effects of the relationship between the presentation of a verbal stimulus (“right”) and an established reinforcer (M&Ms) on the reinforcement efficacy of the verbal stimulus was tested with three groups of retarded boys. Blocks of training and test trials alternated. During training of the Discriminative Group, “right” reliably preceded candy. For the Contiguous Group, “right” accompanied candy, and for the Random Group “right” and candy were programmed independently. “Right” promoted learning in the Discriminative Group but did not in the latter two groups. The results support Cairns' analysis of the often found failure of approval to be an effective reinforcer in laboratory tasks.     

The effect of presemantic acoustic adaptation on semantic “satiation”

A decrement in the strength of the meaning of a word after rapid repetition of that word has been called “semantic satiation.” This study asked whether this “satiation” might be produced by presemantic acoustic adaptation. Category words were utilized to prime the meaning of target words. The adaptation or “satiation” procedure, 30 rapid repetitions of the primes, was compared with a control condition of 3 repetitions. Participants listened to a series of prime words, each repeated by either the same speaker or many speakers, and then made semantic decisions on target words. When all the repetitions of a prime word are produced by the same speaker, presemantic and semantic repetitions are confounded. When the repetitions are produced by different speakers, presemantic acoustic repetition is abolished. A semantic decrement was detected with single-speaker, but not with multiple-speaker, repetitions of prime words. This study concluded that the semantic “satiation” observed here was a decrement in the activation level of semantic representations induced by presemantic acoustic adaptation.     

Short-term memory effects of an auditory biofeedback on isometric force control: is there a differential effect as a function of transition trials?

The aim of the present study was to investigate memory effects, force accuracy, and variability during constant isometric force at different force levels, using auditory biofeedback. Two types of transition trials were used: a biofeedback-no biofeedback transition trial and a no biofeedback-biofeedback transition trial. The auditory biofeedback produced a low- or high-pitched sound when participants produced an isometric force lower or higher than required, respectively. To achieve this goal, 16 participants were asked to produce and maintain two different isometric forces (30 ± 5% and 90 N ± 5%) during 25 s. Constant error and standard deviation of the isometric force were calculated. While accuracy and variability of the isometric force varied according to the transition trial, a drift of the force appeared in the no biofeedback condition. This result suggested that the degradation of information about force output in the no biofeedback condition was provided by a leaky memory buffer which was mainly dependent on the sense of effort. Because this drift remained constant whatever the transition used, this memory buffer seemed to be independent of short-term memory processes.     

Habituation of orienting responses as a function of “instructional set”

Electrodermal and plethysmographic recordings were obtained from three groups of alcoholic patients. The groups differed with respect to instructions given for response to a series of words spoken by the experimenter. Group A was told to report verbally their first associations for each word presented. Group B received instructions to think of an association for each word without reporting it. Group C was to respond to each word by repeating it after it was spoken by the experimenter. The instructions did not have the predicted differing effects upon rate of EDR habituation. However, the over-all amplitude of EDR was lower for Group B than for Group A or C. We observed very little habituation of the plethysmographic OR as measured by per cent of subjects responding to each word. As with the EDR data, Group B shows less responsivity, i.e., this group produced significantly fewer plethysmographic responses over all words than did either of the other two groups. The relative importance of association and of verbal responding to a stimulus word for eliciting autonomic responses was considered.     

Turning observers into actors: Differential causal attributions as a function of “empathy”

After being instructed either to “empathize with the actor” or to “picture the events clearly,” two groups of observers read a story describing an actor's behavior, and then gave free-response explanations of that behavior, and rated the importance of personal and situational causal factors. The hypothesis that causal attributions of empathizing observers would be less personal and more situational than those of nonempathizing observers received strong support, both from subjects' free responses and from their scale ratings. These findings provide evidence for an information-processing explanation of actor/observer attributional differences. Some practical applications of increasing the situationality of observers' causal attributions are discussed. The results also suggest a novel operational definition of “empathy”; and are interpreted as evidence for the effectiveness of “interpersonal simulations”.     

Instrumental help-seeking as a function of normative performance goal orientations: A “catastrophe”

Research on achievement goal theory has suggested significant links between goal adoption and help-seeking behaviors. The present study investigates the effects of actual achievement and emotions on help-seeking behavior under conditions of normative and non-normative performance approach goals. Data were collected from 120 university students who were tested individually in a number of tasks with the aid of a specialized software. A cusp catastrophe model was tested, which significantly predicted help-seeking as a function of student’s affective experience during the normative goal condition only. The emotions of anger, sadness and surprise acted as bifurcation factors, while achievement on the task acted as the asymmetry variable. Findings were not replicated in the non-normative goal condition with the linear model fitting the data best in the absence of normative evaluations. It is concluded that the cusp catastrophe model provides a better understanding of help-seeking behavior during achievement pursuits when the possibility of failure is imminent.     

Scriptural Reasoning as a “Classic”: The Aesthetics of Interreligious Politics

Seeking to find a new way of meeting between Abrahamic traditions, Scriptural Reasoning has established a unique dynamic. This unique dynamic centres on meetings that are based on friendship rather than consensus, wisdom rather than propositional knowledge or binary thinking. Such virtues are not without problems. This article considers one problem: how the results of Scriptural Reasoning, and the insights gleaned from the meetings, can be passed on to the Abrahamic communities and the wider public. Addressing this problematic, the article focuses on the aesthetics of Scriptural Reasoning and its performance. Whereas one method of extending its influence is to widen the practice into the civic sphere and draw more people into the meetings, this article proposes another approach that suggests that the meetings of scholars or “representatives” around their texts constitute a “classic”, which, through vicarious performance can affect the wider public. Further than this, the article outlines a kind of aesthetic politics of religions. Building upon the idea of aesthetic representation proposed in the political sphere by Frank Ankersmit, it is argued that interfaith movements such as Scriptural Reasoning might be presented as a form of political representation.     

The pre-reflective experience of “I” as a continuously existing being: The role of temporal functional binding

The present moment is of infinitesimally brief duration. In the brain, however, there are perceptual processes that bind together events occurring at different times, on a time scale of milliseconds, into a coherent and integrated temporal representation. These processes include temporal integration, as in perception of biological motion, synchronisation, and change detection. These processes are also responsible for temporal integration and coherence in inner mental life, such as in mental imagery. I argue that this gives rise to the pre-reflective experience of the self as a continuously existing being. Temporal integration is also a feature of the experience of action–outcome relations, and I argue that this produces a pre-reflective experience of the self, not just as continuously existing, but also as the doer of both physical and mental actions. This is the foundation on which the idea of the self as continuously existing on longer time scales – the narrative self – is built.     

The conflict adaptation effect: It’s not just priming

Analyses of trial sequences in flanker tasks have revealed cognitive adaptation, reflected in a reduced interference effect following incompatible trials (Gratton, Coles, & Donchin, 1992). These effects have been explained on the basis of the response conflict monitoring model of Botvinick, Braver, Barch, Carter, and Cohen (2001), who proposed that preceding response conflict triggers stronger topdown control, leading to performance improvements on subsequent trials of similar context. A recent study (Mayr, Awh, & Laurey, 2003) has challenged this account, suggesting that the behavioral adaptations are confined to trial sequences of exact trial repetitions and can therefore be explained by repetition priming. Here, we present two experiments in which the sequential dependency effect was present even on trial sequences that did not involve stimulus repeats. We discuss the data with respect to the conflict-monitoring and repetition-priming accounts.     

Chris: The “crazy” kid as a family hero

A case is discussed of an eleven-year-old schizophrenic male who had made a conscious decision several years earlier to act crazy to keep his parents from fighting and divorcing. A relabeling of his crazy behavior as that of a family hero was a first step in releasing him from marital difficulties and beginning to return him to a normal life.     

“The primary process”: The vicissitude of a concept

Abstract

During the first twenty years that Freud spent creating his theory, he assumed that most of the functions responsible for creating mental-thought structures were organized according to two different forms or principles of thought. He called these forms “primary process” and “secondary process”. The “secondary process” is identified with rational thinking and the ego, and it is easy to follow the changes that this concept underwent in the works of Freud that followed. The concept of “primary process”, on the other hand, disappeared from his later works with no explanation. This article traces the changes that the “primary process” underwent in Freud's thinking and examines the connection between his analytical technique and his research method. A close study of the changes that the “primary process” underwent reveals that Freud's developmental thought process included concepts whose directional changes may be termed “regressive”.     

The central tendency effect in stimulus generalization: Effects of establishing a “preexperimental” frame of reference

An experiment was performed to test the hypothesis that in a voluntary generalization task subjects encode the training stimulus (TS) in relation to the adaptation-level (AL) prevailing at the time of TS presentation. If so, then during a subsequent generalization test the point of maximal generalized responding should bear this same relationship to the AL of the generalization test series. To test this hypothesis, three major groups of subjects (n = 80) were given preexposures with dim lights (low preexperimental AL group), bright lights (high preexperimental AL group), or no preexposure (control group). Next, half of each group was exposed to a TS and a subsequent generalization (recognition) test including this brightness and four others. The other half of each group was exposed to the same TS and subsequent generalization stimuli, but their task was to rate the stimuli on a 7-point bright-dim scale. This provided AL measures which could be correlated with generalization performance in the comparable generalization groups. The preexposure condition was successful in producing the expected low or high preexperimental ALs, as reflected in different ratings of the TS when it was presented. Furthermore, these effects persisted throughout testing, as evidenced in ALs (i.e., rating scale midpoints) which reflected the preexposure condition. Finally, the difference between the point of maximal generalized responding and the AL of the generalization test series was highly and significantly correlated with the difference between the original rating of the TS and scale midpoint. This supports the maj or experimental hypothesis of the study.     

The validity of “conceptual span” as a measure of working memory capacity

Three experiments tested whether a modified version of the Clustered Conceptual Span task (H. J. Haarmann, E. J. Davelaar, & M. Usher, 2003), which ostensibly requires active maintenance of semantic representations, predicted individual differences in higher-order cognitive abilities better than short-term memory (STM) span tasks or nonsemantic versions of the "Conceptual" task did. Nonsemantic Conceptual tasks presented short word lists clustered by color, first letter, or initial vowel sound, and cued subjects to recall only 1 of 3 clusters from each list; the Semantic task clustered words by taxonomic category. The Semantic Conceptual task generally failed to predict incremental variance in either verbal abilities or general fluid intelligence beyond the other Conceptual tasks or STM span tasks. Although the Semantic task showed a stronger relation to working memory span tasks than did the nonsemantic tasks (Experiment 3), that stronger relation did not translate into strong prediction of cognitive individual differences.     

Madonna or Don McLean? The effect of order of exposure on relative liking

While many studies have shown that exposure frequency affects consumer attitudes and preferences, the current paper provides evidence that exposure order also does so. Three studies show that people like stimuli to which they are first exposed better than later encountered, similar stimuli. Controlling for exposure frequency and duration, individuals prefer the version of a song they heard first to a version they heard later and images they saw first to mirror images they saw later. In addition, our results suggest that perceived originality contributes to the preference for a first encountered stimulus. Our results are discussed in relation to research on order effects in sequential rating formats.     

Stimulus–response correspondence effect as a function of temporal overlap between relevant and irrelevant information processing

The stimulus–response correspondence (SRC) effect refers to advantages in performance when stimulus and response correspond in dimensions or features, even if the common features are irrelevant to the task. Previous research indicated that the SRC effect depends on the temporal course of stimulus information processing. The current study investigated how the temporal overlap between relevant and irrelevant stimulus processing influences the SRC effect. In this experiment, the irrelevant stimulus (a previously associated tone) preceded the relevant stimulus (a coloured rectangle). The irrelevant and relevant stimuli onset asynchrony was varied to manipulate the temporal overlap between the irrelevant and relevant stimuli processing. Results indicated that the SRC effect size varied as a quadratic function of the temporal overlap between the relevant stimulus and irrelevant stimulus. This finding extends previous experimental observations that the SRC effect size varies in an increasing or decreasing function with reaction time. The current study demonstrated a quadratic function between effect size and the temporal overlap.     

Humor Reconsidered: The Cultivation of “Accurate Perception” as a Contribution to the Care of Souls

Cultivating a sense of humor that has redemptive possibilities for the soul in a post-Christendom era is an important but nonetheless risky act of pastoral ministry. Humor, like the soul, involves ambiguity, incongruity and paradox. Insufficient appreciation of the paradoxical nature of humor contributes to views that are both overly suspicious as well as insufficiently cautious where humor is concerned. A redemptive sense of humor is explored as a virtue analogous to the Greek virtue of eutrapelia in tension with bomocholia (buffoonery/flippancy) and agroikia (boorishness/excessive seriousness). The work of Erik and Joan Erikson on the needed tension between the syntonic and dystonic further clarifies how humor best serves the soul. I conclude that the willingness to cultivate a sense of humor is an act of faith.     

The boston bio-bang: The emergence of a “Regional system of innovation”

In this article we will describe the emergence of a great number of small, regionally concentrated, innovative biotech companies. We see these organizations as “hosts” of concepts and ideas, greatly influencing their spreading over the sector. We have chosen an evolutionary perspective following individual companies in their struggle for survival, describing it as “obtaining food” and “fooling predators.” This struggle gives insight in the behavior of the biotech companies and related institutions as a “system of innovation.” One of our findings is that the variety of biotech companies is conditioned by their selection environment, but that this selection environment allows great variety and even encourage variety by keeping the companies small. Haiko Van der Voort is a research associate who lectures and publishes in a wide range of issues including precess management and system innovations. Martin De Jong is associate professor of public management.     

The Limitations of “Vulnerability” as a Protection for Human Research Participants

Vulnerability is one of the least examined concepts in research ethics. Vulnerability was linked in the Belmont Report to questions of justice in the selection of subjects. Regulations and policy documents regarding the ethical conduct of research have focused on vulnerability in terms of limitations of the capacity to provide informed consent. Other interpretations of vulnerability have emphasized unequal power relationships between politically and economically disadvantaged groups and investigators or sponsors. So many groups are now considered to be vulnerable in the context of research, particularly international research, that the concept has lost force. In addition, classifying groups as vulnerable not only stereotypes them, but also may not reliably protect many individuals from harm. Certain individuals require ongoing protections of the kind already established in law and regulation, but attention must also be focused on characteristics of the research protocol and environment that present ethical challenges.