Discursive design thinking: the role of explicit knowledge in creative architectural design reasoning

The main hypothesis investigated in this paper is based upon the suggestion that the discursive reasoning in architecture supported by an explicit knowledge of spatial configurations can enhance both design productivity and the intelligibility of design solutions. The study consists of an examination of an architect’s performance while solving intuitively a well-defined problem followed by an analysis of the spatial structure of their design solutions. One group of architects will attempt to solve the design problem logically, rationalizing their design decisions by implementing their explicit knowledge of spatial configurations. The other group will use an implicit form of such knowledge arising from their architectural education to reason about their design acts. An integrated model of protocol analysis combining linkography and macroscopic coding is used to analyze the design processes. The resulting design outcomes will be evaluated quantitatively in terms of their spatial configurations. The analysis appears to show that an explicit knowledge of the rules of spatial configurations, as possessed by the first group of architects can partially enhance their function-driven judgment producing permeable and well-structured spaces. These findings are particularly significant as they imply that an explicit rather than an implicit knowledge of the fundamental rules that make a layout possible can lead to a considerable improvement in both the design process and product. This suggests that by externalizing th

Continuity in the neural system supporting children's theory of mind development: Longitudinal links between task-independent EEG and task-dependent fMRI.

Children's explicit theory of mind (ToM) understandings change over early childhood. We examined whether there is longitudinal stability in the neurobiological bases of ToM across this time period. A previous study found that source-localized resting EEG alpha attributable to the dorsal medial prefrontal cortex (DMPFC) and right temporoparietal junction (RTPJ) was associated with children's performance on a battery of theory of mind tasks. Here, we investigated a small subset of children (N = 12) in that original study as a preliminary investigation of whether behavioral measures of ToM performance, and/or EEG localized to the DMPFC or RTPJ predicted ToM-specific fMRI responses 3.5 years later. Results showed that preschoolers' behavioral ToM-performance positively predicted later ToM-specific fMRI responses in the DMPFC. Preschoolers' resting EEG attributable to the DMPFC also predicted later ToM-specific fMRI responses in the DMPFC. Given the small sample, results represent a first exploration and require replication. Intriguingly, they suggest that early maturation of the area of the DMPFC related to ToM reasoning is positively linked with its specific recruitment for ToM reasoning later in development, affording implications for characterizing conceptual ToM development, and its underlying neural supports

A Substruction Approach to Assessing the Theoretical Validity of Measures

Background Validity is about the logic, meaningfulness, and evidence used to defend inferences made when interpreting results. Substruction is a heuristic or process that visually represent the hierarchical structure between theory and measures. Purpose To describe substruction as a method for assessing the toretical validity of research measures. Methods Using Fawcett\u27s Conceptual-Theoretical-Empirical Structure. an exemplar is presented of substruction from the Individual and Family Self-Management Theory to the Striving to be strong study concepts and empirical measures. Results Substruction tables display evidence supporting theoretical validity of the instruments used in the study. Conclusion A high degree of congruence between theory and measure is critical to support the validity of the theory and to support attributions made about moderating, mediating, causal relationships, and intervention effects

Getting better acquainted with Auditory Voice Hallucinations (AVHs): A need for clinical and social change

The phenomenon of hearing voices (AVHs) is very much a subject of current scientific interest, both clinically1 and socially. For a long time, auditory hallucinations—perceiving sounds without external stimuli (David, 2004)—were considered an obvious sign of schizophrenic or psychotic psychopathology (Goodwin et al., 1971; Larøi et al., 2012), but these days such an association is no longer taken for granted. Various recent studies in the areas of psychology, psychiatry, and neuroscience have brought a renewal of interest in AVHs. First of all, the move beyond Kraepelinian logic (van Os, 2009; Fusar-Poli et al., 2014) has led us to see AVHs as a phenomenon in their own right, and not just a characteristic of schizophrenia (Fernyhough, 2004). Furthermore, a number of studies in imaging techniques have allowed us to study the phenomenon live, as it occurs, collecting various new data (Shergill et al., 2000). On the other hand, psychological studies with attempts at modeling, have boosted the idea that AVHs are linked to the linguistic and verbal qualities of the subject, thus reducing the association between voice hallucinations and signs of pathology (Johns and van Os, 2001; Pearson et al., 2001; Stanghellini and Cutting, 2003). Other researchers have theorized that hearing voices is a different manifestation of self-awareness (Salvini and Bottini, 2011; Salvini and Quarato, 2011). Even DSM-5 has modified the importance it attaches to hallucinations, in fact although the 4th edition diagnosed “schizophrenia” simply on the basis of the symptom “hallucinations,” in the new edition hallucinations on their own are not considered a sufficient symptom to diagnose the specter of schizophrenia” (American Psychiatric Association, 2013). Many of those suffering from this condition are not under treatment and are not diagnosable in psychopathological terms, which asks ever more questions of health professionals (Iudici, 2015), and which brings with it the risk that the phenomenon of hearing voices may be considered pathological because of a lack of understanding of the problem. One direct implication of this risk concerns non-psychotic and non-schizophrenic hearers of voices who are afraid of being considered mad or disturbed, who very often live in fear for years without talking about it with anyone, although realizing that hearing voices causes no general maladjustment in their lives (Andrew et al., 2008). In the long term this can lead to feelings of alarm in some of them, and when such situations result in a visit to a clinic or a psychiatrist, there are often “suffering and conflicted confessions” about such experiences, especially by people who have never had psychiatric experience (Iudici and Gagliardo Corsi, 2017). These people consequently do not have appropriate information to help them understand their experiences (Faccio et al., 2013). This fact raises further doubts about the direct juxtaposition of auditory hallucinations and diagnoses of mental disturbance, and consequently our interest is in sensitizing clinicians to a broader interpretation of the phenomenon than the traditional view, highlighting the importance of considering more perspectives

The education of Walter Kohn and the creation of density functional theory

The theoretical solid-state physicist Walter Kohn was awarded one-half of the 1998 Nobel Prize in Chemistry for his mid-1960's creation of an approach to the many-particle problem in quantum mechanics called density functional theory (DFT). In its exact form, DFT establishes that the total charge density of any system of electrons and nuclei provides all the information needed for a complete description of that system. This was a breakthrough for the study of atoms, molecules, gases, liquids, and solids. Before DFT, it was thought that only the vastly more complicated many-electron wave function was needed for a complete description of such systems. Today, fifty years after its introduction, DFT (in one of its approximate forms) is the method of choice used by most scientists to calculate the physical properties of materials of all kinds. In this paper, I present a biographical essay of Kohn's educational experiences and professional career up to and including the creation of DFT

Neural Unpredictability, the Interpretation of Quantum Theory, and the Mind-Body Problem

It has been suggested, on the one hand, that quantum states are just states of knowledge; and, on the other, that quantum theory is merely a theory of correlations. These suggestions are confronted with problems about the nature of psycho-physical parallelism and about how we could define probabilities for our individual future observations given our individual present and previous observations. The complexity of the problems is underlined by arguments that unpredictability in ordinary everyday neural functioning, ultimately stemming from small-scale uncertainties in molecular motions, may overwhelm, by many orders of magnitude, many conventionally recognized sources of observed ``quantum'' uncertainty. Some possible ways of avoiding the problems are considered but found wanting. It is proposed that a complete understanding of the relationship between subjective experience and its physical correlates requires the introduction of mathematical definitions and indeed of new physical laws.Comment: 27 pages, plain TeX, v2: missing reference inserted, related papers from http://www.poco.phy.cam.ac.uk/~mjd101

EMDR therapy for PTSD after motor vehicle accidents: meta-analytic evidence for specific treatment

Motor vehicle accident (MVA) victims may suffer both acute and post-traumatic stress disorders (PTSD). With PTSD affecting social, interpersonal and occupational functioning, clinicians as well as the National Institute of Health are very interested in identifying the most effective psychological treatment to reduce PTSD. From research findings, eye movement desensitization and reprocessing (EMDR) therapy is considered as one of the effective treatment of PTSD. In this paper, we present the results of a meta-analysis of fMRI studies on PTSD after MVA through activation likelihood estimation. We found that PTSD following MVA is characterized by neural modifications in the anterior cingulate cortex (ACC), a cerebral structure involved in fear-conditioning mechanisms. Basing on previous findings in both humans and animals, which demonstrate that desensitization techniques and extinction protocols act on the limbic system, the effectiveness of EMDR and of cognitive behavioral therapies (CBT) may be related to the fact that during these therapies the ACC is stimulated by desensitization