Neuroscientific Measures of Covert Behavior

In radical behaviorism, the difference between overt and covert responses does not depend on properties of the behavior but on the sensitivity of the measurement tools employed by the experimenter. Current neuroscientific research utilizes technologies that allow measurement of variables that are undetected by the tools typically used by behavior analysts. Data from a specific neuroscientific technique, event-related potential (ERP), suggest that emission of otherwise covert responses can be indexed and that such covert responses are sensitive to stimulus control and selection by consequences. The P3 ERP effect is proposed as indicative of emission. Moreover, ERP results in semantic priming experiments suggest that operants are sensitive to changes in stimulus control even when they are not emitted (latent responses). Changes in response strength of latent responses as a function of stimulus control can in fact be measured by reaction time data and an ERP dependent variable called the N400 effect. If the interpretations provided in this paper are accurate, an index of covertly emitted operants (P3 effect) constitutes experimental evidence suggesting the validity of a Skinnerian radical behaviorist perspective on behavior. Moreover, in a Skinnerian paradigm, measured fluctuations in the response strength of latent operants as a function of environmental changes (N400 effect) would validate Palmer's (2009) concept of the repertoire.     

Behavioral Management of Inappropriate Masturbation in an 8-Year-Old Girl

An 8-year-old girl, previously diagnosed with infantile masturbation, was referred and treated for inappropriate masturbation. Treatment involved age-appropriate sexual education, reinforcement contingencies, the use of distraction and redirection, and when necessary, timeout. The inappropriate masturbation behavior was substantially reduced during treatment phase from daily occurrence to occasional occurrence, and at 6-week post-treatment follow-up, inappropriate masturbation was absent.     

The Impact of Phantom Decoys on Choices and Perceptions

Phantoms are dominating, attractive alternatives that are unavailable at the time of choice. They occupy different positions in the attribute space, and their unavailability can be either known or unknown to individuals. Although different theories have offered explanations for the influence that phantoms exert on individual choices, they have largely overlooked phantom knowledge. Contradictory predictions can be drawn from these theories, and none provides a good account of the pattern of effects that emerges from our data. We suggest that these contradictions appear because the different theories do not address phantom location and knowledge jointly. When considering phantom knowledge together with location, we observe a consistent overall pattern of effects that encompasses all predictions that could be made on the basis of each theory. We find that known phantoms are stronger when close, and favor the target product, whereas unknown phantoms are stronger when far, and favor the competitor. Finally, we look beyond shifts in choice shares and find that phantom decoys can also affect individuals' post‐choice evaluations and reactions in terms of perceived justice, decision satisfaction, and repatronage intention. Our results show that post‐choice evaluations are driven by phantom knowledge, not phantom location. Copyright © 2012 John Wiley & Sons, Ltd.     

Alessandro Piccolomini and the certitude of mathematics

This paper offers a reconstruction of Alessandro Piccolomini's philosophy of mathematics, and reconstructs the role of Themistius and Averroes in the Renaissance debate on Aristotle's theory of proof. It also describes the interpretative context within which Piccolomini was working in order to show that he was not an isolated figure, but rather that he was fully involved in the debate on mathematics and physics of Italian Aristotelians of his time. The ideas of Lodovico Boccadiferro and Sperone Speroni will be analysed. This paper demonstrates that Piccolomini's attack on the certitude of mathematics was a product of discussions between Aristotelians.     

Bridging music and speech rhythm: Rhythmic priming and audio–motor training affect speech perception

Following findings that musical rhythmic priming enhances subsequent speech perception, we investigated whether rhythmic priming for spoken sentences can enhance phonological processing – the building blocks of speech – and whether audio–motor training enhances this effect. Participants heard a metrical prime followed by a sentence (with a matching/mismatching prosodic structure), for which they performed a phoneme detection task. Behavioural (RT) data was collected from two groups: one who received audio–motor training, and one who did not. We hypothesised that 1) phonological processing would be enhanced in matching conditions, and 2) audio–motor training with the musical rhythms would enhance this effect. Indeed, providing a matching rhythmic prime context resulted in faster phoneme detection, thus revealing a cross-domain effect of musical rhythm on phonological processing. In addition, our results indicate that rhythmic audio–motor training enhances this priming effect. These results have important implications for rhythm-based speech therapies, and suggest that metrical rhythm in music and speech may rely on shared temporal processing brain resources.     

Emotional prosody: sex differences in sensitivity to speech melody

Emotional prosody is defined as the ability to express emotions through variations of different parameters of the human speech, such as pitch contour, intensity and duration. A recent study has discovered clear differences between men and women in the time course of emotional prosodic processing. There are several interpretations of these intriguing results that hold promise for future studies on language comprehension.     

Reasoning in moral conflicts

Following the assumptions of the mental model theory and its account of moral judgements, we argue for a main role of reasoning in moral judgements, especially in dealing with moral conflicts. In four experiments, we invited adult participants to evaluate scenarios describing moral or immoral actions. Our results confirm the predictions deriving from our assumptions: Given a moral or immoral scenario, the manipulation of the propositions which refer to norms and values results in a scenario eliciting a moral conflict (Experiment 1); when invited to create conflict versions from no-conflict versions of moral or immoral scenarios, individuals manipulate the propositions in the scenario which describe norms and values rather than emotional factors (Experiment 2); the evaluation of conflict scenarios takes longer than the evaluation of no-conflict scenarios (Experiment 3), and this is because conflict scenarios involve more deliberative reasoning (Experiment 4). We discuss our results in relation to competing theories of moral judgements.     

Beyond Randomized Controlled Trials in Attempted Suicide Research

There is a lack of evidence about what is the best treatment for people who present to hospital after self harm. Most treatment trials have been small and involved unrepresentative groups of patients which result in inconclusive findings. Here we note some of the characteristics of attempted suicide which make it a difficult subject to study. We describe the problems of doing randomized controlled trials in attempted suicide and outline the advantages and difficulties of randomized controlled trials, Zelen designs, patient preference designs, and cluster randomized trials in attempted suicide intervention trials. Researchers and consumers should consider other research designs when asking what is effective after self harm.     

New Age Beliefs and Societal Risk Perception1

The New Age movement is a transpersonal movement focused on mystic awakening and human potential development. It has become an important component in modern risk discourse, as it often goes hand in hand with technology opposition and worries about technology risks. The present study examined the possible relationships between New Age beliefs and societal risk perception. It was shown that several hazards—particularly the ones at the center of current debates about security policies and environmental policies—were perceived as significantly riskier by the New Agers than by others. These (hot) hazards include nuclear waste storage, chemical plants, urban violence, genetically engineered organisms, marijuana, and hospital waste.     

A Pilot Study Implementing Coping Power in Italian Community Hospitals: Effect of Therapist Attachment Style on Outcomes in Children

The study presented the initial report of a project regarding the implementation of the Coping Power Program in Italian community hospitals, and the program’s ability to reduce externalizing behavioral problems in children with a Disruptive Behavior Disorder diagnosis. Usually, interventions for children are implemented by a number of therapists with different personal characteristics, which therefore influence the implementation quality of an intervention. That said, the present study aimed to establish whether the insecure attachment styles of therapists predict unfavorable outcomes for children treated with the Coping Power Program. The sample included 80 children with a Disruptive Behavior Disorder diagnosis and 16 therapists. The results showed that the change in children’s aggressive behavioral problems was significantly related to the levels of the therapist’s preoccupation with relationships. Higher levels of change in aggression (where a higher value means that the aggression at the end of the treatment is higher than aggression at the baseline evaluation) are associated with higher levels of therapist’s preoccupied attachment style (anxious attachment style). This study provided some preliminary evidence that therapists need to be sensitive to their own attachment experiences when delivering therapy for children.