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1.
  • 1897 Mediehistorier kring Stockholmsutställningen
  • 2006
  • Samlingsverk (redaktörskap) (övrigt vetenskapligt)abstract
    • Mediehistoria var länge liktydigt med historien om 1900-­talets massmedier – press, radio, teve och film. I den här boken skildras istället ett äldre medielandskap. Med utgångspunkt i Stockholms-­ utställningen 1897 beskriver författarna det utbud av gamla och nya medier som samlades på utställningen, från äldre attraktioner som camera obscura, dioramor och vaxfigurer till spektakulära nyheter som fonograf, kinematograf och röntgenbilder. Boken ger inblickar i några av det sena 1800-­talets ledande medieindust-­ rier, och diskuterar bland annat frågor om mediekonsumtion, publikpositioner och historiska medieringsvillkor. Sammantaget framträder en komplex mediekultur med förbindelser både till det förra sekelskiftets museiinstitutioner och ett äldre utbud av audiovisuella attraktioner, men också till 1900-­talets förmenta mediemodernitet och våra dagars digitala ”revolution”.De medietekniker som presenterades på Stockholmsutställning-­ en 1897 lagrade på samma gång utställningen för framtiden. Ett centralt tema är därför hur dessa medieringar blivit identiska med minnet av utställningen, och hur detta arkiv organiserats utifrån mediernas specifika egenskaper. På den dvd-­skiva som medföljer boken har ett nytt mediearkiv skapats över Stock-­ holmsutställningen 1897 och dess många länkar till en bredare mediekultur.
2.
  • Aafjes-van Doorn, Katie, et al. (författare)
  • Patients’ Affective Processes Within Initial Experiential Dynamic Therapy Sessions
  • 2017
  • Ingår i: Psychotherapy. - 0033-3204. ; 54:2, s. 175-183
  • Tidskriftsartikel (refereegranskat)abstract
    • Research has indicated that patients’ in-session experience of previously avoided affects may be important for effective psychotherapy. The aim of this study was to investigate patients’ in-session levels of affect experiencing in relation to their corresponding levels of insight, motivation, and inhibitory affects in initial Experiential Dynamic Therapy (EDT) sessions. Four hundred sixty-six 10-min video segments from 31 initial sessions were rated using the Achievement of Therapeutic Objectives Scale. A series of multilevel growth models, controlling for between-therapist variability, were estimated to predict patients’ adaptive affect experiencing (Activating Affects) across session segments. In line with our expectations, higher within-person levels of Insight and Motivation related to higher levels of Activating Affects per segment. Contrary to expectations, however, lower levels of Inhibition were not associated with higher levels of Activating Affects. Further, using a time-lagged model, we did not find that the levels of Insight, Motivation, or Inhibition during one session segment predicted Activating Affects in the next, possibly indicating that 10-min segments may be suboptimal for testing temporal relationships in affective processes. Our results suggest that, to intensify patients’ immediate affect experiencing in initial EDT sessions, therapists should focus on increasing insight into defensive patterns and, in particular, motivation to give them up. Future research should examine the impact of specific inhibitory affects more closely, as well as between-therapist variability in patients’ in-session adaptive affect experiencing.
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3.
  • Aarsand, Pål Andre, 1970- (författare)
  • Frame switches and identity performances : Alternating between online and offline
  • 2008
  • Ingår i: Text and Talk. - 1860-7330. ; 28:2, s. 147-165
  • Tidskriftsartikel (refereegranskat)abstract
    • This study problematizes activity frames and participation frameworks (Goffman 1981), exploring how students deploy online (MSN Messenger) and offline activity frames in identity performances. One problem in analyzing participation frameworks and particularly notions of subordinate forms, like crossplay, byplay, and sideplay, is that these concepts require that the analyst can identify one dominant activity. This was not possible in the present data, which consist of video recordings of computer activities in a seventh-grade classroom. It is shown how MSN (online) identities were invoked in subsequent and intermittent face-to-face interaction, a dialogue that started on MSN would continue in face-to-face interaction, and vice versa. This means that frame switches constituted important features of the students' identity work. Similarly, the students employed nicknames or what are here called tags, that is, textual-visual displays of speaker identities, located in the boundary zone between online and offline activities. In the classroom interactions, there was thus not one dominant activity frame, but rather the activities involved borderwork, and more specifically frame switches and a strategic use of tags. © Walter de Gruyter 2008.
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4.
  • Aarsand, Pål Andre, 1970-, et al. (författare)
  • Response cries and other gaming moves-Building intersubjectivity in gaming
  • 2009
  • Ingår i: Journal of Pragmatics. - 0378-2166 .- 1879-1387. ; 41:8, s. 1557-1575
  • Tidskriftsartikel (refereegranskat)abstract
    • The present study focuses on the ways in which response cries (Goffman, 1981) are deployed as interactional resources in computer gaming in everyday life. It draws on a large-scale data set of video recordings of the everyday lives of middleclass families. The recordings of gaming between children and between children and parents show that response cries were not arbitrarily located within different phases of gaming (planning, gaming or commenting on gaming). Response cries were primarily used as interactional resources for securing and sustaining joint attention (cf. Goodwin, 1996) during the gaming as such, that is, during periods when the gaming activity was characterized by a relatively high tempo. In gaming between children, response cries co-occurred with their animations of game characters and with sound making, singing along, and code switching in ways that formed something of an action aesthetic, a type of aesthetic that was most clearly seen in gaming between game equals (here: between children). In contrast, response cries were rare during the planning phases and during phases in which the participants primarily engaged in setting up or adjusting the game.
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6.
  • Abbas, Qaisar, et al. (författare)
  • Energy stability of the MUSCL scheme
  • 2010
  • Ingår i: Numerical Mathematics and Advanced Applications : 2009. - Berlin : Springer-Verlag. - 978-3-642-11794-7 ; s. 61-68
  • Konferensbidrag (refereegranskat)
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7.
  • Abbas, Qaisar, 1975- (författare)
  • Weak Boundary and Interface Procedures for Wave and Flow Problems
  • 2011
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • In this thesis, we have analyzed the accuracy and stability aspects of weak boundary and interface conditions (WBCs) for high order finite difference methods on Summations-By-Parts (SBP) form. The numerical technique has been applied to wave propagation and flow problems.The advantage of WBCs over strong boundary conditions is that stability of the numerical scheme can be proven. The boundary procedures in the advection-diffusion equation for a boundary layer problem is analyzed. By performing Navier-Stokes calculations, it is shown that most of the conclusions from the model problem carries over to the fully nonlinear case.The work was complemented to include the new idea of using WBCs on multiple grid points in a region, where the data is known, instead of at a single point. It was shown that we can achieve high accuracy, an increased rate of convergence to steady-state and non-reflecting boundary conditions by using this approach.Using the SBP technique and WBCs, we have worked out how to construct conservative and energy stable hybrid schemes for shocks using two different approaches. In the first method, we combine a high order finite difference scheme with a second order MUSCL scheme. In the second method, a procedure to locally change the order of accuracy of the finite difference schemes is developed. The main purpose is to obtain a higher order accurate scheme in smooth regions and a low order non-oscillatory scheme in the vicinity of shocks.Furthermore, we have analyzed the energy stability of the MUSCL scheme, by reformulating the scheme in the framework of SBP and artificial dissipation operators. It was found that many of the standard slope limiters in the MUSCL scheme do not lead to a negative semi-definite dissipation matrix, as required to get pointwise stability.Finally, high order simulations of shock diffracting over a convex wall with two facets were performed. The numerical study is done for a range of Reynolds numbers. By monitoring the velocities at the solid wall, it was shown that the computations were resolved in the boundary layer. Schlieren images from the computational results were obtained which displayed new interesting flow features.
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10.
  • Abbey-Lee, Robin N., et al. (författare)
  • The Influence of Rearing on Behavior, Brain Monoamines, and Gene Expression in Three-Spined Sticklebacks
  • 2018
  • Ingår i: Brain, behavior, and evolution. - S. Karger. - 0006-8977. ; 91:4, s. 201-213
  • Tidskriftsartikel (refereegranskat)abstract
    • The causes of individual variation in behavior are often not well understood, and potential underlying mechanisms include both intrinsic and extrinsic factors, such as early environmental, physiological, and genetic differences. In an exploratory laboratory study, we raised three-spined sticklebacks <i>(Gasterosteus aculeatus)</i> under 4 different environmental conditions (simulated predator environment, complex environment, variable social environment, and control). We investigated how these manipulations related to behavior, brain physiology, and gene expression later in life, with focus on brain dopamine and serotonin levels, turnover rates, and gene expression. The different rearing environments influenced behavior and gene expression, but did not alter monoamine levels or metabolites. Specifically, compared to control fish, fish exposed to a simulated predator environment tended to be less aggressive, more exploratory, and more neophobic; and fish raised in both complex and variable social environments tended to be less neophobic. Exposure to a simulated predator environment tended to lower expression of dopamine receptor DRD4A, a complex environment increased expression of dopamine receptor DRD1B, while a variable social environment tended to increase serotonin receptor 5-HTR2B and serotonin transporter SLC6A4A expression. Despite both behavior and gene expression varying with early environment, there was no evidence that gene expression mediated the relationship between early environment and behavior. Our results confirm that environmental conditions early in life can affect phenotypic variation. However, the mechanistic pathway of the monoaminergic systems translating early environmental variation into observed behavioral responses was not detected.
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