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- Stefan Frisch, Matthias Schlesewsky, Douglas Saddy, Annegret Alpermann
- Cognition
- 2002

In a study using event-related brain potentials, we show that the current characterization of the P600 component as an indicator of revision processes (reanalysis and repair) in sentence comprehension must be extended to include the recognition of syntactic ambiguity. By comparing the processing of ambiguous and unambiguous sentence constituents in German,… (More)

- Douglas Saddy, Heiner Drenhaus, Stefan Frisch
- Brain and language
- 2004

We describe an experiment that investigated the failure to license polarity items in German using event-related brain potentials (ERPs). The results reveal distinct processing reflexes associated with failure to license positive polarity items in comparison to failure to license negative polarity items. Failure to license both negative and positive polarity… (More)

- Heiner Drenhaus, Peter Beim Graben, Douglas Saddy, Stefan Frisch
- Brain and language
- 2006

In a post hoc analysis, we investigate differences in event-related potentials of two studies (Drenhaus et al., 2004, Drenhaus et al., to appear, Saddy et al., 2004a and Saddy et al., 2004b) by using the symbolic resonance analysis (Beim Graben & Kurths, 2003). The studies under discussion, examined the failure to license a negative polarity item (NPI) in… (More)

We present the symbolic resonance analysis (SRA) as a viable method for addressing the problem of enhancing a weakly dominant mode in a mixture of impulse responses obtained from a nonlinear dynamical system. We demonstrate this using results from a numerical simulation with Duffing oscillators in different domains of their parameter space, and by analyzing… (More)

- Peter beim Graben, Dimitris Pinotsis, Douglas Saddy, Roland Potthast
- Cognitive Neurodynamics
- 2008

We construct a mapping from complex recursive linguistic data structures to spherical wave functions using Smolensky’s filler/role bindings and tensor product representations. Syntactic language processing is then described by the transient evolution of these spherical patterns whose amplitudes are governed by nonlinear order parameter equations.… (More)

- Peter beim Graben, Stefan Frisch, Andrew Fink, Douglas Saddy, Jürgen Kurths
- Physical review. E, Statistical, nonlinear, and…
- 2005

We apply the recently developed symbolic resonance analysis to electroencephalographic measurements of event-related brain potentials (ERPs) in a language processing experiment by using a three-symbol static encoding with varying thresholds for analyzing the ERP epochs, followed by a spin-flip transformation as a nonlinear filter. We compute an estimator of… (More)

We outline a computational model of syntactic language processing based on Smolensky’s Fock space representations of symbolic expressions using spherical wave functions. Symbolic computation, regarded as nonlinear operators acting upon these waves, provides a discrete sequence of training patterns that could be used to solve the inverse problem of neural… (More)

- Florian Mathis Schäfer, Gisbert Fanselow, +33 authors Tim Stowell
- 2007

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