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The origin of pointing
(2019)
Pointing gestures play a foundational role in human language, but up to now, we have not known where these gestures come from. Here, we investigated the hypothesis that pointing originates in touch. We found, first, that when pointing at a target, children and adults oriented their fingers not as though trying to create an “arrow” that picks out the target but instead as though they were aiming to touch it; second, that when pointing at a target at an angle, participants rotated their wrists to match that angle as they would if they were trying to touch the target; and last, that young children interpret pointing gestures as if they were attempts to touch things, not as arrows. These results provide the first substantial evidence that pointing originates in touch.
From object to process
(2019)
One of the most difficult tasks today is trying to grasp the presence of computing. The almost ubiquitous and diverse forms of networked computers (in all their stationary, mobile, embedded, and autonomous modes) create a nearly overwhelming complexity. To speak of what is here evading and present at the same time, the paper proposes to reconsider the concept of interface, its historical roots, and its heuristic advantages for an analysis and critique of the current and especially everyday spread of computerization.
The question of interfaces leads to isolable conditions and processes of conduction, as well as to the complexity of the cooperation formed by them. It opens both an investigative horizon and a mode of analysis, which always asks for further interface levels involved in the phenomenon I am currently investigating. As an example, the paper turns to the displacement of the file with the launch of the iPhone in 2007 and its comeback in 2017 with the “Files” apps.
Both developments are profoundly related to the establishment of computers as permanently networked machines, whereby their functionality, depresentations, and ideology come into focus.
Emotion theory needs to explain the relationship of language and emotions, and the embodiment of emotions, by specifying the computational mechanisms underlying emotion generation in the brain. We used Chris Eliasmith’s Semantic Pointer Architecture to develop POEM, a computational model that explains numerous important phenomena concerning emotions, including how some stimuli generate immediate emotional reactions, how some emotional reactions depend on cognitive evaluations, how bodily states influence the generation of emotions, how some emotions depend on interactions between physiological inputs and cognitive appraisals, and how some emotional reactions concern syntactically complex representations. We contrast our theory with current alternatives, and discuss some possible applications to individual and social emotions.
Das alte Frankfurt
(2019)
On the eve of the celebration of the 90th anniversary of 1929’s CIAM, the city of Frankfurt is again the center of international attention thanks to a project related to housing and the city, which represents, however, the opposite of the experience of Das neue Frankfurt. I refer to the Dom-Römer, the heart of the historical city, destroyed by bombing during WWII, replaced in the post-war period by the Technisches Rathaus, and now “rebuilt” in total adherence to the historical parcel plan as a new residential and commercial district. Regarding mass public housing, with minimal individual dwelling cells and standardized construction conceived by Ernst May, an equally public intervention is now opposed, but with a few individual houses and owned apartments for upper-middle-class customers, unique in their exceptionality, constructed with traditional techniques and finished with craftsmanship, case by case. The modernistic idea of low-density monofunctional satellite neighborhoods on the edge of the consolidated city, based on repetition of typed elements and on correct orientation of buildings in order to grant air and light, at the expenses of a clear definition of public space, is replaced today, in the core the city, by the medieval plan, with its irregular parcels and the narrow, winding dark alleys, high density and multifunctional buildings, and a strongly characterized public space. The positions are of course diametrically opposed also with respect to the roof dispute, which animated architects at the beginning of the 20th century: strictly flat roofs in the new Frankfurt of the 1920s and pitched roofs in the gabled houses of the ancient contemporary Frankfurt. From the parallel between these two experiences, so different from one another that they are almost incomparable, important elements emerge to understand the current debate on the architecture of the European city, particularly in Germany.
Changing people’s travel behaviours and mode choices is an important mitigation option to reduce greenhouse gas emission in transport. Previous studies have shown that symbolic meanings associated with new low-emission vehicles and travel services influence people’s willingness to adopt these innovations. However, little is known about the symbolic meanings of many upcoming transport innovations, which often influence habitual decision-making and their stratification within the population. This study thus examines cultural affective meanings of a broad range of conventional and novel transport mode options in a nationally representative German sample. Cluster analysis of affective meanings of travel modes identified six unique traveller segments. These consumer groups differ significantly in their intention to adopt low-emission travel modes and are characterized by specific psychographic, socio-demographic and behavioural profiles. The results demonstrate that affective meanings of choice options are predictive regarding the attitudes and (intended) behaviour of traveller segments. Moreover, the invariant positive meanings of conventional cars across segments indicate the strong cultural embeddedness of this mode in society. We discuss the implications of our approach for the development of government strategies for sustainable transport.
In empirically informed research on action explanation, philosophers and developmental psychologists have recently proposed a teleological account of the way in which we make sense of people’s intentional behavior. It holds that we typically don’t explain an agent’s action by appealing to her mental states but by referring to the objective, publically accessible facts of the world that count in favor of performing the action so as to achieve a certain goal. Advocates of the teleological account claim that this strategy is our main way of understanding people’s actions. I argue that common motivations mentioned to support the teleological account are insufficient to sustain its generalization from children to adults. Moreover, social psychological studies, combined with theoretical considerations, suggest that we do not explain actions mainly by invoking publically accessible, reason-giving facts alone but by ascribing mental states to the agent.
We compared event-related potentials during sentence reading, using impression formation equations of a model of affective coherence, to investigate the role of affective content processing during meaning making. The model of Affect Control Theory (ACT; Heise, 1979, 2007) predicts and quantifies the degree to which social interactions deflect from prevailing social norms and values - based on the affective meanings of involved concepts. We tested whether this model can predict the amplitude of brain waves traditionally associated with semantic processing. To this end, we visually presented sentences describing basic subject-verb-object social interactions and measured event-related potentials for final words of sentences from three different conditions of affective deflection (low, medium, high) as computed by a variant of the ACT model (Schröder, 2011). Sentence stimuli were closely controlled across conditions for alternate semantic dimensions such as contextual constraints, cloze probabilities, co-occurrences of subject-object and verb-object relations. Personality characteristics (schizotypy, Big Five) were assessed to account for individual differences, assumed to influence emotion-language interactions in information processing. Affective deflection provoked increased negativity of ERP waves during the P2/N2 and N400 components. Our data suggest that affective incoherence is perceived as conflicting information interfering with early semantic processing and that increased respective processing demands – in particular in the case of medium violations of social norms - linger on until the N400 time window classically associated with the integration of concepts into embedding context. We conclude from these results that affective meanings influence basic stages of meaning making.
Creative coding is a form of postdigital art that uses programming to solve esthetical problems, subordinating functionality to expression. It often comes with rather uncommon usage patterns of coding, going beyond technologies' affordances and finding ways of appropriating them in an individual way and in exchange with others. The learning ecologies GitHub, Stack Overflow, and Pouët present digital infrastructures that curate and support such appropriation-related activities. The paper presents a qualitative analysis of the structure of these spaces, and the appropriation-related communication taking place. It shows how crucial the varying designs of the learning ecologies and the implemented interaction possibilities are for the appropriation activities taking place and draws a line to the desire for stronger participation in postdigital curation.
Im Zusammenhang mit der Gestaltung von Lehr-Lerngelegenheiten im Vorschulbereich wird zunehmend die Bedeutung der Interaktionsqualität zwischen der pädagogischen Fachkraft (PFK) und den Kindern für das frühkindliche Lernen diskutiert. Mit der vorliegenden Studie wird die Interaktionsqualität im Rahmen einer naturwissenschaftlichen Lerngelegenheit in 34 schweizerischen Vorschulgruppen differenziert erfasst und sowohl qualitative (verbale Lernunterstützung der PFK) als auch quantitative Aspekte (Redeanteile der Kinder und PFK) und deren Effekt auf das inhaltliche Lernen der Kinder untersucht. Die Befunde zeigen, dass die Redeanteile zwischen PFK und Kindern ähnlich verteilt sind, die der PFK jedoch umfangreicher sind. Zudem belegen Ergebnisse aus Mehrebenenanalysen einen positiven Zusammenhang zwischen aktiver Beteiligung der Kinder in den Kleingruppengesprächen und dem naturwissenschaftlichen Lernen. Je mehr die PFK dabei das Vorwissen der Kinder aktiviert, desto größer ist dieser Effekt, sodass von einem Interaktionseffekt zwischen Lernunterstützung der PFK und aktiver Gesprächsbeteiligung der Kinder auf das Lernen ausgegangen wird. Die Befunde werden mit Blick auf die Gestaltung von Lehr-Lernprozessen im Kontext frühkindlicher naturwissenschaftlicher Bildung diskutiert.
Persönliche Zukunftsplanung ist ein Konzept für Menschen mit und ohne Beeinträchtigung. Die Person kann mit ihrem Unterstützungskreis erkunden, was für sie ein gutes, passendes Leben sein kann, das sie leben will. Der Unterstützer*innenkreis begleitet sie auf diesem Weg. Dieser Artikel skizziert die konzeptionellen Kernelemente der Persönlichen Zukunftsplanung. Es wird zudem dargestellt, wie Persönliche Zukunftsplanung bei der unabhängigen Assistenz zur persönlichen Lebensplanung (§ 78 SGB IX) und unterstützten Entscheidungsfindung eingesetzt werden kann.