A nonlinear dynamics model for simulating long range correlations of cognitive bistability

Fürstenau, Norbert

doi:10.1007/s00422-010-0388-4

Cited by 14 publications

(14 citation statements)

References 72 publications

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“…More recent applications of the model have addressed the self-organization of modular, connected networks in functional architecture (Gong & van Leeuwen, 2003; Rubinov, Sporns, van Leeuwen, & Breakspear, 2009). Further along these lines, the more recent model by Fürstenau (2010) has a layered structure that takes into account the global architecture of the thalamo-cortical loop, and it accommodates the fractal nature of dwell times in accordance with Gao et al’s (2006) observations.…”

Section: A Dynamical Systems Approachmentioning

confidence: 87%

A century of Gestalt psychology in visual perception: II. Conceptual and theoretical foundations.

Wagemans

Feldman

Gepshtein

et al. 2012

Psychological Bulletin

377

288

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Our first review paper on the occasion of the centennial anniversary of Gestalt psychology focused on perceptual grouping and figure-ground organization. It concluded that further progress requires a reconsideration of the conceptual and theoretical foundations of the Gestalt approach, which is provided here. In particular, we review contemporary formulations of holism within an information-processing framework, allowing for operational definitions (e.g., integral dimensions, emergent features, configural superiority, global precedence, primacy of holistic/configural properties) and a refined understanding of its psychological implications (e.g., at the level of attention, perception, and decision). We also review four lines of theoretical progress regarding the law of Prägnanz—the brain’s tendency of being attracted towards states corresponding to the simplest possible organization, given the available stimulation. The first considers the brain as a complex adaptive system and explains how self-organization solves the conundrum of trading between robustness and flexibility of perceptual states. The second specifies the economy principle in terms of optimization of neural resources, showing that elementary sensors working independently to minimize uncertainty can respond optimally at the system level. The third considers how Gestalt percepts (e.g., groups, objects) are optimal given the available stimulation, with optimality specified in Bayesian terms. Fourth, Structural Information Theory explains how a Gestaltist visual system that focuses on internal coding efficiency yields external veridicality as a side-effect. To answer the fundamental question of why things look as they do, a further synthesis of these complementary perspectives is required.

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Section: A Dynamical Systems Approachmentioning

confidence: 87%

A century of Gestalt psychology in visual perception: II. Conceptual and theoretical foundations.

Wagemans

Feldman

Gepshtein

et al. 2012

Psychological Bulletin

377

288

View full text Add to dashboard Cite

show abstract

“…This necessitates that a difference in the detail of long-range dependence must come into being with the new task execution, breaking the LRD associated with the prior task. The existence of a group of neurons whose firings are well correlated with hand movement suggests that neural information processing is carried out by a dynamic coalition of neurons, as hypothesized by Edelman and Tononi (59), Crick and Koch (60), Gao et al (57), and Furstenau (61). By a coalition of neurons, it is meant that the coalition involves many types of excitatory and inhibitory interconnected neurons, which change the activities of their fellow members.…”

Section: Discussionmentioning

confidence: 97%

Long-Range Temporal Correlations, Multifractality, and the Causal Relation Between Neural Inputs and Movements

Gao

Zheng²,

Hu³

2011

ASME 2011 Dynamic Systems and Control Conference and Bath/Asme Symposium on Fluid Power and Motion Control, Volume 2

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Understanding the causal relation between neural inputs and movements is very important for the success of brain-machine interfaces (BMIs). In this study, we analyze 104 neurons' firings using statistical, information theoretic, and fractal analysis. The latter include Fano factor analysis, multifractal adaptive fractal analysis (MF-AFA), and wavelet multifractal analysis. We find neuronal firings are highly non-stationary, and Fano factor analysis always indicates long-range correlations in neuronal firings, irrespective of whether those firings are correlated with movement trajectory or not, and thus does not reveal any actual correlations between neural inputs and movements. On the other hand, MF-AFA and wavelet multifractal analysis clearly indicate that when neuronal firings are not well correlated with movement trajectory, they do not have or only have weak temporal correlations. When neuronal firings are well correlated with movements, they are characterized by very strong temporal correlations, up to a time scale comparable to the average time between two successive reaching tasks. This suggests that neurons well correlated with hand trajectory experienced a "re-setting" effect at the start of each reaching task, in the sense that within the movement correlated neurons the spike trains' long-range dependences persisted about the length of time the monkey used to switch between task executions. A new task execution re-sets their activity, making them only weakly correlated with their prior activities on longer time scales. We further discuss the significance of the coalition of those important neurons in executing cortical control of prostheses.

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“…For example, workload and work separation for two airports are measured through situation awareness or error rates. Second, new approaches for analyzing the data can be tested such as nonlinear time series analysis of the dwell times and switching frequencies between the airports, providing information on cognitive aspects such as long range correlations (memory effects) and periodicities [18,26]. Third, the graphical representation of the RemoteCenter improves the communication between domain experts and system developers by simulating different traffic situations to establish a basis for structured interviews.…”

Section: Figure 8 Remotecenter With Traffic Identified By Labels Comentioning

confidence: 99%

“…Eye tracking measurement of test subjects and advanced methods of data evaluation (e.g. nonlinear time series analysis [18]) are employed for characterizing the operators average and individual behavior under the new RTO-operator work conditions. Section 2 presents work analysis results and introduces the basic RTC HMI concept for two alternative RTO/RTC traffic scenarios.…”

Section: Introductionmentioning

confidence: 99%

Remote airport traffic control center with augmented vision video panorama

Schmidt

Rudolph

Papenfus

et al. 2009

2009 IEEE/AIAA 28th Digital Avionics Systems Conference

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Research is described for realizing a Remote Airport Traffic Control Center (DLR project RAiCe) for remote surveillance and control of several small airports from a central location. Work and task analyses performed in a previous project resulted in the concept of a high resolution video panorama system with zoom and augmented vision functions as controllers main HMI in the Remote Tower Center (RTC). Video-see-through augmentation of the reconstructed outside view by means of superimposed flight information and data from electronic non-visual sources is supposed to improve the controllers situational awareness. The augmented vision function allows for a compact RTO-work environment due to its potential for reduction of displays.A corresponding 180°-video panorama system was set up as experimental testbed at Braunschweig research airport which served for initial field testing. It consists of four digital high resolution CCD cameras located near Braunschweig tower, and a remotely controlled pan-tilt zoom (PTZ) camera (including automatic tracking option) with PC clusters for compression, image processing / movement detection, decompression and panorama reconstruction, and a 450 m fiberoptic Gbit Ethernet link between sensor and display clusters. Field testing of the reconstructed far view with participation of local controllers shows an effective visual resolution of < 2 arcmin in agreement with the theoretical predictions. The PTZ camera provides a "foveal" vision with a high resolution exceeding the human eye (1 arcmin) within an observation angle < 15°.In addition to the experimental testbed simulation systems for two-airport control are under development for support of the RTC work environment design, based on a 200°-tower-simulator with RTO-console extension and a simplified twoairport microworld computer simulation for laboratory type part task simulations.

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A nonlinear dynamics model for simulating long range correlations of cognitive bistability

Cited by 14 publications

References 72 publications

A century of Gestalt psychology in visual perception: II. Conceptual and theoretical foundations.

A century of Gestalt psychology in visual perception: II. Conceptual and theoretical foundations.

Long-Range Temporal Correlations, Multifractality, and the Causal Relation Between Neural Inputs and Movements

Remote airport traffic control center with augmented vision video panorama

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