Resources
Code
Spiking neural network models of perceptual decision making
Python / Brian2 code from netowork models in Prat-Ortega G, Wimmer K, Roxin A, de la Rocha J. Flexible categorization in perceptual decision making. Nature Communications, 2021. doi:10.1038/s41467-021-21501-z
Python / Brian2 code of the classical Wang 2002 model, with an efficient implementation of NMDAR synaptic dynamics (Wang, X.-J. Probabilistic decision making by slow reverberation in cortical circuits. Neuron, 2002, 36, 955-968).
Spatiotemporal motion energy filtering: a Matlab implementation
Urai AE & Wimmer K (2016). Spatiotemporal motion energy filtering: a Matlab implementation. Zenodo. doi:10.5281/zenodo.594505
Hierarchical network model of perceptual decision making
Sensory integration dynamics in a hierarchical network explains choice probabilities in cortical area MT. Wimmer K, Compte A, Roxin A, Peixoto D, Renart A, de la Rocha J. Nature Communications, 2015. doi:10.1038/ncomms7177
Working memory models: bump attractor, discrete attractor and decaying bump models
Bump attractor dynamics in prefrontal cortex explains behavioral precision in spatial working memory. Wimmer K, Nykamp DQ, Constantinidis C, Compte A. Nature Neuroscience, 2014. doi:10.1038/nn.3645
Online talks
Pollán Hauer N., Pesaran B., Compte A., Wimmer K. Prefrontal circuit specialization underlying task-triggered changes in populations codes in spatial working memory. Virtual Working Memory Symposium (June 2020). [Video]
Esnaola-Acebes JM., Roxin A., Wimmer K. Bump attractor dynamics explain temporal weighting of evidence in estimation and categorization tasks. Neuromatch 2.0 (May 2020). [Video]
Wimmer, K. Stimulus fluctuations together with top-down feedback can account for the dynamics of choice probability in MT, Bernstein Conference 2013 (Sep 2013). [Video]
Wimmer, K. Stimulus fluctuations together with top-down feedback can account for the dynamics of choice probabilities, ESF Exploratory Workshop on Noise in Decision Making: Theory Meets Experiment (May 2013). [YouTube]