Professor Ralf Wessel's Publications
pdf Hoseini MS, Pobst J, Wright NC, Clawson WP, Shew WL, Wessel R (2018) The turtle visual system mediates a complex spatiotemporal transformation of visual stimuli into cortical activity. J Comparative Physiology A 204 (2), 167-181.
pdf Wright NC, Hoseini MS, Yasar TB, Wessel R (2017) The coupling of synaptic inputs to local cortical activity differs among pyramidal neurons and adapts following stimulus onset. J Neurophysiology 118: 3345-3359
pdf Hoseini MS, Wright NC, Pobst J, Clawson WP, Shew WL, Wessel R (2017) Induced cortical oscillations are coherent at the mesoscale of population activity, but not at the microscale of the membrane potential of neurons. J Neurophysiology 118(5): 2579-2591
pdf Wright NC, Wessel R (2017) Network activity influences the subthreshold and spiking visual responses of pyramidal neurons in a three-layer cortex. J Neurophysiology 118(4): 2142-2155
pdf Karimipanah Y, Ma Z, Wessel R (2017) Criticality predicts maximum irregularity in recurrent networks of excitatory nodes. PLoS ONE, 12(8): e0182501.(Matlab Code)
pdf Wright NC, Hoseini MS, Wessel R (2017) Adaptation modulates correlated subthreshold response variability in visual cortex. J Neurophysiology, 118: 12571269, 2017
pdf Clawson WP, Wright NC, Wessel R, Shew WL (2017) Adaptation towards scale-free dynamics improves cortical stimulus discrimination at the cost of reduced detection. PLoS Comput Biol 13(5): e1005574.
pdf Karimipanah Y, Ma Z, Kang Miller J, Yuste R, Wessel R (2017) Neocortical activity is stimulus- and scale-invariant. PLOS ONE, 12(5) : e0177396. (Supplementary Material)
pdf Yasar TB, Wright NC, Wessel R (2016) Inferring presynaptic excitatory population spike trains from membrane potential fluctuations. J Neuroscience Methods, 259: 13-21.
pdf Hoseini MS, Wessel R (2016) Coherent and intermittent ensemble oscillations emerge from networks of irregular spiking neurons. J Neurophysiology 115: 457-469.
pdf Crockett T, Wright N, Thornquist S, Ariel M, Wessel R (2015) Turtle Dorsal Cortex Pyramidal Neurons Comprise Two Distinct Cell Types with Indistinguishable Visual Responses. PLoS ONE 10 (12): e0144012. doi:10.1371/journal.pone.0144012.
pdf Schlaepfer CH, Wessel R (2015) Excitable Membranes and Action Potentials in Paramecia: An Analysis of the Electrophysiology of Ciliates. The Journal of Undergraduate Neuroscience Education 14(1): A82-A86.
pdf Shew WL, Clawson WP, Pobst J, Karimipanah Y, Wright NC, Wessel R (2015) Adaptation to sensory input tunes visual cortex to criticality. Nature Physics 11: 659-663. (Supplementary Material)
pdf Brandt SF, Pelster A, Wessel R (2011) Noise-dependent stability of the synchronized State in a coupled system of active rotators. World Journal of Condensed Matter Physics 1: 88-96.
pdf Lai D, Brandt S, Luksch H, Wessel R (2011) Recurrent antitopographic inhibition mediates competitive stimulus selection in an attention network. J Neurophysiol 105: 793-805.
pdf Saha D, Morton D, Ariel M, Wessel R (2011) Visual response properties of a cholinergic neuron in turtle nucleus isthmi. J Comp Physiol A 197: 153-165.
pdf Caudill MS, Eggebrecht AT, Gruberg ER, Wessel R (2010) Electrophysiological properties of isthmic neurons in frogs revealed by in vitro and in vivo studies. J Comp Physiol A 196: 249-262.
pdf Dellen BK, Wessel R, Clark JW, Wörgötter F (2010) Motion processing with wide-field neurons in the retino-tecto-rotundal pathway. J Computational Neurosci 28: 47-64.
pdf Caudill MS, Brandt SF, Nussinov Z, Wessel R (2009) An intricate phase diagram of a prevalent visual circuit reveals universal dynamics, phase transitions and resonances. Phys Rev E 80: 051923.
pdf Shao J, Lai D, Meyer U, Luksch H, Wessel R (2009) Generating oscillatory bursts from a network of regular spiking neurons without inhibition. J Computational Neurosci 27: 591-606.
pdf Dellen BK, Clark JW, Wessel R (2009) Contextual interaction in a generalized energy model of complex cells. Spatial Vision 22: 301-324.
pdf Dellen BK, Wessel R (2009) Visual Motion Detection. In: Squire LR (ed.) Encyclopedia of Neuroscience. Oxford Academic Press, pp. 291-295 (Review Article).
pdf Meyer U, Shao J, Chakrabarty S, Brandt SF, Luksch H, Wessel R (2008) Distributed delays stabilize neural feedback systems. Biol Cybernetics 99: 79-87.
pdf B. K. Dellen, J. W. Clark, R. Wessel (2007) The brain's view of the natural world in motion: Computing structure from function using directional Fourier transforms. Int. J. Mod. Phys. B., 21: 2493-2504.
pdf Brandt SF, Pelster A, Wessel R (2007) Synchronization in a neuronal feedback loop through asymmetric temporal delays. Europhysics Letters, 79: 38001.
pdf Brandt SF, Wessel R (2007) Winner-take-all selection in a neural system with delayed feedback. Biol Cybernetics, 97: 221-228.
pdf Khanbabaie R, Mahani AS, Wessel R (2007) Contextual interaction of GABAergic circuitry with dynamic synapses. J Neurophysiology , 97: 2802-2811.
pdf Mahani AS, Wessel R (2006) Iterative cooperation between parallel pathways for object and whole-field motion.. Biol Cybernetics, 95: 393-400.
pdf Brandt SF, Pelster A, Wessel R (2006) Variational calculation of the limit cycle and its frequency in a two-neuron model with delay.. Phys Rev E 74: 036201.
pdf Brandt SF, Dellen BK, Wessel R (2006) Synchronization from disordered driving forces in arrays of coupled oscillators. Phys Rev Letters, 96: 034104.
pdf Mahani AS, Khanbabaie R, Luksch H, Wessel R (2006) Sparse spatial sampling for the computation of motion in multiple stages. Biol Cybernetics 94: 276-287.
pdf Mahani AS, Wessel R (2005) Motion contrast classification is a linearly nonseparable problem. Neural Computation 17: 1700-1705.
pdf Mahani AS, Carlsson AE, Wessel R (2005) Motion repulsion arises from stimulus statistics when analyzed with a clustering algorithm. Biol Cybernetics 92: 288-291.
pdf Dellen BK, Clark JW, Wessel R (2005) Computing relative motion with cortical complex cells. Visual Neuroscience 22: 225-236.
pdf Dellen BK, Clark JW, Wessel R (2004) Motion-contrast computation without directionally sensitive motion sensors. Phys Rev E 70-031907. (Selected for the Virtual Journal of Biological Physics Research, October 2004.)
pdf Mahani AS, Carlsson AE, Wessel R (2004) Mixing two sets of noisy measurements changes the N-dependence of resolution to a fourth-root power law. J Physics A 37: 4913-4937.
pdf Nguyen QT, Wessel R, Kleinfeld D (2004) Developmental regulation of active and passive membrane properties in rat vibrissa motoneurones. J Physiol 556: 203-219.
pdf Luksch H, Khanbabaie R, Wessel R (2004) Synaptic dynamics mediate sensitivity to motion independent of stimulus details. Nature Neuroscience 7: 380-388.
pdf Luksch H, Karten HJ, Kleinfeld D, Wessel R (2001) Chattering and differential signal processing in identified motion sensitive neurons of parallel visual pathways in chick tectum. J Neuroscience 21:6440-6446.
pdf Wessel R, Kristan Jr WB, Kleinfeld D (1999) Dendritic Ca2+-activated K+ conductances regulate electrical signal propagation in an invertebrate neuron. J Neuroscience 19:8319-8326.
pdf Wessel R, Kristan Jr WB, Kleinfeld D (1999) Supralinear summation of synaptic inputs by an invertebrate neuron: dendritic gain is mediated by an inward rectifier K+ channel. J Neuroscience 19:5875-5888.
pdf Metzner W, Koch C, Wessel R, Gabbiani F (1998) Feature extraction by burst-like spike patterns in multiple sensory maps. J Neuroscience 18:2283-2300.
pdf Gabbiani F, Metzner W, Wessel R, Koch C (1996) From stimulus encoding to feature extraction in weakly electric fish. Nature 384:564 - 567.
pdf Wessel R, Koch C, Gabbiani F (1996) Coding of time-varying electric field amplitude modulations in wave-type electric fish. J Neurophysiology 75:2280-2293.
pdf Wessel R (1995) In vitro study of phase resetting and phase locking in a time comparison circuit in electric fish, Eigenmannia. Biophysical J 69:1880-1890.
pdf Wessel R, Ball RC (1993) Cluster-cluster aggregation with random bond breaking. J Phys A 26:L159-L163.
pdf Wessel R, Ball RC (1992) Fractal aggregates and gels in shear flow. Phys Rev A 46:3008-3011.
pdf Wessel R, Ball RC (1992) Diffusion-limited aggregation at equilibrium. Phys Rev A 45:2177-2179.
pdf Wessel R, Ball RC (1991) Statistical theory of irreversibly reacting systems. J Phys A 24:451-459.
pdf Wessel R (1991) Resonant tunneling of holes in the envelope-function approximation. In: L.L. Chang (ed), Resonant tunneling in semiconductors, Plenum Press, p. 95-105.
pdf Wessel R, Vagner ID (1990) Spin-flip assisted resonant tunneling. Superlattices and Microstructures 8:443-447.
pdf Wessel R, Altarelli M (1989) Analytic solution of the effective-mass equation in strained Si-SiGe heterostructures applied to resonant tunneling. Phys Rev B40:12457-12462.
pdf Wessel R, Altarelli M (1989) Resonant tunneling of holes in double-barrier heterostructures in the envelope-function approximation. Phys Rev B39:12802-12807.
pdf Wessel R, Altarelli M (1989) Quasistationary-energy-level calculation for thin double-barrier GaAs-AlAs heterostructures. Phys Rev B39:10246-10250.
pdf Wessel R, Theiler T, Keilmann F (1987) Pulsed high-power mid-infrared gas lasers. IEEE Journal of Quantum Electronics QE-23: 385-389.