Neural tuning and representational geometry

N Kriegeskorte, XX Wei - Nature Reviews Neuroscience, 2021 - nature.com
A central goal of neuroscience is to understand the representations formed by brain activity
patterns and their connection to behaviour. The classic approach is to investigate how …

[HTML][HTML] Functional connectivity and tuning curves in populations of simultaneously recorded neurons

IH Stevenson, BM London, ER Oby… - PLoS computational …, 2012 - journals.plos.org
How interactions between neurons relate to tuned neural responses is a longstanding
question in systems neuroscience. Here we use statistical modeling and simultaneous multi …

[HTML][HTML] Revealing neural correlates of behavior without behavioral measurements

A Rubin, L Sheintuch, N Brande-Eilat… - Nature …, 2019 - nature.com
Measuring neuronal tuning curves has been instrumental for many discoveries in
neuroscience but requires a priori assumptions regarding the identity of the encoded …

Reading population codes: a neural implementation of ideal observers

S Deneve, PE Latham, A Pouget - Nature neuroscience, 1999 - nature.com
Many sensory and motor variables are encoded in the nervous system by the activities of
large populations of neurons with bell-shaped tuning curves. Extracting information from …

[HTML][HTML] The implications of categorical and category-free mixed selectivity on representational geometries

MT Kaufman, MK Benna, M Rigotti, F Stefanini… - Current opinion in …, 2022 - Elsevier
The firing rates of individual neurons displaying mixed selectivity are modulated by multiple
task variables. When mixed selectivity is nonlinear, it confers an advantage by generating a …

Why neurons mix: high dimensionality for higher cognition

S Fusi, EK Miller, M Rigotti - Current opinion in neurobiology, 2016 - Elsevier
Neurons often respond to diverse combinations of task-relevant variables. This form of
mixed selectivity plays an important computational role which is related to the dimensionality …

[PDF][PDF] Cracking the neural code for sensory perception by combining statistics, intervention, and behavior

S Panzeri, CD Harvey, E Piasini, PE Latham, T Fellin - Neuron, 2017 - cell.com
The two basic processes underlying perceptual decisions—how neural responses encode
stimuli, and how they inform behavioral choices—have mainly been studied separately …

[HTML][HTML] Tuning curves, neuronal variability, and sensory coding

DA Butts, MS Goldman - PLoS biology, 2006 - journals.plos.org
Tuning curves are widely used to characterize the responses of sensory neurons to external
stimuli, but there is an ongoing debate as to their role in sensory processing. Commonly, it is …

Neuronal tuning: To sharpen or broaden?

K Zhang, TJ Sejnowski - Neural computation, 1999 - direct.mit.edu
Sensory and motor variables are typically represented by a population of broadly tuned
neurons. A coarser representation with broader tuning can often improve coding accuracy …

Statistical assessment of the stability of neural movement representations

IH Stevenson, A Cherian, BM London… - Journal of …, 2011 - journals.physiology.org
In systems neuroscience, neural activity that represents movements or sensory stimuli is
often characterized by spatial tuning curves that may change in response to training …