Journal Articles

2010

Canolty RT, Ganguly K, Kennerley SW, Cadieu CF, Koepsell K, Wallis JD, Carmena JM (2010) Oscillatory phase coupling coordinates anatomically-dispersed cell assemblies. PNAS 107(40) 17356 - 17361. [journal] [pdf] [supplement]

Cadieu CF, Koepsell K (2010) Phase coupling estimation from multivariate phase statistics. Neural Computation 22(12), pp. 3107 - 3126. [pdf]

Koepsell K, Wang X, Hirsch JA, Sommer FT (2010) Exploring the function of neural oscillations in early sensory systems. Focused review in Frontiers in Neuroscience 4:1, pp. 53–61. [journal] [pdf]

2009

Koepsell K, Wang X, Wei Y, Wang Q, Vaingankar V, Rathbun DL, Usrey WM, Hirsch JA, Sommer FT (2009) Retinal oscillations carry visual information to cortex. Front. Syst. Neurosci. 3:4, pp. 1 – 18. [journal] [pdf]

2008

Koepsell K, Sommer FT (2008) Information transmission in oscillatory neural activity. Biological Cybernetics 99, pp. 403 – 416. [journal] [pdf]

Koepsell K, Spoerhase C (2008) Neuroscience and the Study of Literature. Some Thoughts on the Possibility of Transferring Knowledge. Journal of Literary Theory 2:2, pp. 363 – 374. [journal] [pdf]

2007

Wang X, Wei Y, Vaingankar V, Wang Q, Koepsell K, Sommer FT, Hirsch JA (2007) Feedforward excitation and inhibition evoke dual modes of firing in the cat’s visual thalamus during naturalistic viewing. Neuron 55 (2007) 465-478. [journal] [pdf] See also the preview about this paper: P. Reinagel: The inner life of bursts. Neuron 55: 339-341 [journal] [pdf]

Book Chapters

2010

Tsao DY, Cadieu CF, Livingstone M (2010) Object Recognition: Physiological and Computational Insights. In Primate Neuroethology. Edited by M. Platt and A. Ghazanfar. Oxford University Press. 2010 (in press)

Refereed Conference Proceedings

2010

Canolty RT, Ganguly K, Kennerley SW, Cadieu CF, Koepsell K, Wallis JD, Carmena JM (2010) Single-neuron spike timing depends on global brain dynamics. Computational and Systems Neuroscience 2010. doi:10.3389/conf.fnins.2010.03.00264 [abstract]

2009

Huth A, Cadieu CF, Dale CL, Weber D, Pantazis D, Darvas F, Leahy R, Simpson GV, Koepsell K (2009) Detecting functional connectivity in networks of phase-coupled neural oscillators, Poster presentation, Computational and Systems Neuroscience 2010. doi:10.3389/conf.neuro.06.2009.03.258 [abstract]

Charles CF, Koepsell K (2009) A multivariate phase distribution and its estimation, Poster presentation, Computational and Systems Neuroscience 2009. doi:10.3389/conf.neuro.06.2009.03.260 [abstract]

Cadieu CF, Olshausen BA (2009) Learning Transformational Invariants from Natural Movies. Advances in Neural Information Processing Systems (NIPS), 21:209-216, 2009. D. Koller and D. Schuurmans and Y. Bengio and L. Bottou, MIT Press, Cambridge, MA.

Olshausen BA, Cadieu CF, Warland DK. (2009) Learning Real and Complex Overcomplete Representations from the Statistics of Natural Images, Proc. SPIE 7446, 74460S, 2009.

Technical Reports

2010

Cadieu CF, Koepsell K (2010) Modeling Image Structure with Factorized Phase-Coupled Boltzmann Machines. November 2010. arXiv:1011.4058v1 [cs.CV]. [abstract]

2009

Cadieu CF, Koepsell K (2009) Phase Coupling Estimation from Multivariate Phase Statistics. June 2009. arXiv:0906.3844v1 [nlin.AO]. [abstract]

2008

Cadieu, CF, Koepsell K (2008) A Multivariate Phase Distribution and its Estimation. September 2008. arXiv:0809.4291v2 [q-bio.NC]. [abstract]

Talks and Posters

2010

Koepsell K (2010) Collective computation with neural assemblies -- from connectivity to network dynamics and back. Invited talk, Center for Mind and Brain, UC Davis, CA.

Koepsell K (2010) The role of oscillations for cortical communications. Invited talk, Theory Group, Los Alamos National Lab, Los Alamos, NM.

Rokem A, Trumpis M, Perez F, Ivanov P, Koepsell K, Blanche T, Fegen D, D’Esposito M (2010) Nitime: an open-source package for time-series analysis of neuroscience data. Poster presentation, Human Brain Mapping (HBM), Barcelona, Spain.

Koepsell K (2010) Detecting functional connectivity in networks of phase-coupled neural oscillators. Invited talk, Workshop on Multi-Scale Complex Dynamics in the Brain at COSYNE 2010.

2009

Cadieu CF, Secundo L, Chang E, Culpepper BJ, Barbaro NM, Olshausen BA, Knight RT. (2009) Sparse Space-Time Decompositions of ECoG signals. Poster presentation, Society for Neuroscience (SFN), Chicago, IL. 2009.

Koepsell K (2009) Phase coupling estimation from multivariate phase statistics. Seminar talk, Smith-Kettlewell Eye Research Institute, San Francisco, California.

Koepsell K (2009) Phase coupling estimation in coupled oscillator systems. Seminar talk, Mathematical Biology Seminar, UC Davis.

Cadieu CF, Koepsell K (2009) A multivariate phase distribution and its estimation. Computational and Systems Neuroscience (COSYNE), Salt Lake City, UT. doi:10.3389/conf.neuro.06.2009.03.260

Huth A, Cadieu CF, Dale CL, Weber D, Pantazis D, Darvas F, Leahy R, Simpson GV, Koepsell K (2009) Detecting functional connectivity in networks of phase-coupled neural oscillators. Computational and Systems Neuroscience (COSYNE), Salt Lake City, UT. doi:10.3389/conf.neuro.06.2009.03.258

2008

Blanche TJ, Koepsell K, Swindale N, Olshausen BA (2008) Predicting response variability in the primary visual cortex. Computational and Systems Neuroscience (COSYNE),, Salt Lake City, UT.

Canolty RT, Soltani M, Koepsell K, Cadieu C, Dalal SS, Edwards E, Nagarajan SS, Kirsch HE, Barbaro NM and Knight RT (2008). Auditory target detection activates frontal and parietal cortices: Evidence from high gamma power and low-frequency phase coherence in the subdural electrocorticogram. 10th International Conference on Cognitive Neuroscience (ICON X). doi:10.3389/conf.neuro.09.2009.01.119

Cadieu, C., B. Olshausen. (2008) Learning Transformational Invariants from Time-Varying Natural Images. Computational and Systems Neuroscience (COSYNE), Salt Lake City, March 2008. abstract talk

Koepsell K (2008) Spike timing in the context of network dynamics from retina to cortex. Conference talk, Computational and Systems Neuroscience (COSYNE), Salt Lake City, UT.

Koepsell K, Blanche TJ, Swindale N, Olshausen BA (2008) Modeling the influence of local network activity on neuron spiking responses in primary visual cortex. Computational and Systems Neuroscience (COSYNE), Salt Lake City, UT.

2007

Cadieu CF, Olshausen BA (2007) Learning Invariant and Variant Components of Time Varying Natural Images Using a Sparse, Multiplicative Model. Computational and Systems Neuroscience (COSYNE), Salt Lake City, March 2007, & Vision Sciences Society, Sarasota May 2007. abstract

Koepsell K (2007) The hidden clock in LGN -- is phase coding employed in early vision?. Göttingen Neurobiology Conference, Göttingen, Germany

Blanche TJ, Koepsell K (2007) Spike timing precision and the influence of cortical dynamics. Grand Challenges in Neural Computation, Santa Fe, New Mexico.

2006

Blanche TJ, Freiwald WA, Swindale NV (2006) Neural sparseness in cat and monkey visual cortex studied with silicon polytrode arrays. Society for Neuroscience.

Koepsell K, Wang X, Wei Y, Wang Q, Vaingankar V, Hirsch JA, Sommer FT (2006) Retinal oscillations carry visual information to cortex. Computational and Systems Neuroscience (COSYNE), Salt Lake City, Utah.

Koepsell K, Wang X, Wei Y, Wang Q, Vaingankar V, Hirsch JA, Sommer FT (2006) Two channels for visual information to travel from thalamus to cortex. Society for Neuroscience (SFN).

2005

Koepsell K, Wang X, Wei Y, Wang Q, Vaingankar V, Hirsch JA, Sommer FT (2005) Ongoing retinal activity explains variability of thalamic responses. Society for Neuroscience (SFN).

Koepsell K (2005) Temporal coding in the early visual system: Does spike timing matter? Seminar talk, Unversity of California, Davis, CA.

Koepsell K (2005) Ongoing retinal activity explains variability of thalamic responses. Conference talk, Society for Neuroscience (SFN), Washington, DC.

Bethge M, Koepsell K (2005) Learning efficient overcomplete dictionaries for natural images with binary tree-mixture models. Poster presentation, Computational and Systems Neuroscience (COSYNE), Salt Lake City, UT.

Koepsell K, Wei Y, Wang X, Wang Q, Vaingankar V, Hirsch JA, Sommer FT (2005) Temporal precision and oscillations in the inputs and outputs of thalamic relay cells during natural stimulation. Poster presentation, Computational and Systems Neuroscience (COSYNE), Salt Lake City, UT.

Wang X, Wei Y, Wang Q, Vaingankar V, Koepsell K, Sommer FT, Hirsch JA (2005) Suppression from the center of the thalamic receptive field precedes bursts of action potentials evoked by natural movies. Poster presentation, Society for Neuroscience (SFN), Washington, DC.

2004

Bethge M, Koepsell K (2004) Sparseness, Coarseness, Slowness, Learning population codes for natural image patches. Poster presentation, Society for Neuroscience, San Diego, CA.

Koepsell K, Wei Y, Wang X, Wang Q, Hirsch JA, Sommer FT (2004) Spike timing in thalamic relay cells during natural stimuli. Poster presentation, Society for Neuroscience (SFN), San Diego, CA.

Wang X, Wang Q, Wei Y, Koepsell K, Sommer FT, Hirsch JA (2004) Retinal and local contributions to the thalamic receptive field. Poster presentation, Society for Neuroscience (SFN), San Diego, CA.

Physics Papers (1997-2002)

2002

Günaydin M, Koepsell K, Nicolai H (2002) The Minimal Unitary Representation of E_8(8). Adv. Theor. Math. Phys. 5, pp. 923 – 946.

2001

Günaydin M, Koepsell K, Nicolai H (2001) Conformal and Quasiconformal Realizations of Exceptional Lie Groups. Commun. Math. Phys. 221, pp. 57 – 76.

2000

Koepsell K, Nicolai H, Samtleben H (2000) An Exceptional Geometry for d=11 Supergravity? Class. Quant. Grav. 17, pp. 3689 – 3702.

1999

K. Koepsell, H. Nicolai, H. Samtleben (1999) On the Yangian Y(e_8) Quantum Symmetry of Maximal Supergravity in Two Dimensions. JHEP 9904(1999)023.

1997

Gebert RW, Koepsell K, Nicolai H (1997) The Sugawara Generators at Arbitrary Level. Commun. Math. Phys. 184, pp. 119-141.