Rich and lazy learning of task representations in brains and neural networks

T Flesch, K Juechems, T Dumbalska, A Saxe… - BioRxiv, 2021 - biorxiv.org
How do neural populations code for multiple, potentially conflicting tasks? Here, we used
computational simulations involving neural networks to define “lazy” and “rich” coding …

Naturalistic stimuli: A paradigm for multiscale functional characterization of the human brain

Y Zhang, JH Kim, D Brang, Z Liu - Current opinion in biomedical …, 2021 - Elsevier
Movies, audio stories, and virtual reality are increasingly used as stimuli for functional brain
imaging. Such naturalistic paradigms are in sharp contrast to the tradition of experimental …

A deep learning theory for neural networks grounded in physics

B Scellier - arXiv preprint arXiv:2103.09985, 2021 - arxiv.org
In the last decade, deep learning has become a major component of artificial intelligence.
The workhorse of deep learning is the optimization of loss functions by stochastic gradient …

Interrogating theoretical models of neural computation with emergent property inference

SR Bittner, A Palmigiano, AT Piet, CA Duan, CD Brody… - Elife, 2021 - elifesciences.org
A cornerstone of theoretical neuroscience is the circuit model: a system of equations that
captures a hypothesized neural mechanism. Such models are valuable when they give rise …

Brain Connectivity Studies on Structure‐Function Relationships: A Short Survey with an Emphasis on Machine Learning

S Wein, G Deco, AM Tomé… - Computational …, 2021 - Wiley Online Library
This short survey reviews the recent literature on the relationship between the brain structure
and its functional dynamics. Imaging techniques such as diffusion tensor imaging (DTI) …

Multi-scale hierarchical neural network models that bridge from single neurons in the primate primary visual cortex to object recognition behavior

T Marques, M Schrimpf, JJ DiCarlo - bioRxiv, 2021 - biorxiv.org
Object recognition relies on inferior temporal (IT) cortical neural population representations
that are themselves computed by a hierarchical network of feedforward and recurrently …

Psychrnn: An accessible and flexible python package for training recurrent neural network models on cognitive tasks

DB Ehrlich, JT Stone, D Brandfonbrener, A Atanasov… - eneuro, 2021 - eneuro.org
Task-trained artificial recurrent neural networks (RNNs) provide a computational modeling
framework of increasing interest and application in computational, systems, and cognitive …

A comparative biology approach to DNN modeling of vision: A focus on differences, not similarities

B Lonnqvist, A Bornet, A Doerig, MH Herzog - Journal of vision, 2021 - jov.arvojournals.org
Deep neural networks (DNNs) have revolutionized computer science and are now widely
used for neuroscientific research. A hot debate has ensued about the usefulness of DNNs as …

[PDF][PDF] Is it that simple? Linear mapping models in cognitive neuroscience

AA Ivanova, M Schrimpf, S Anzellotti, N Zaslavsky… - bioRxiv, 2021 - scholar.archive.org
Advances in cognitive neuroscience are often accompanied by an increased complexity in
the methods we use to uncover new aspects of brain function. Recently, many studies have …

Adjusting chatbot conversation to user personality and mood

B Galitsky, B Galitsky - Artificial Intelligence for Customer Relationship …, 2021 - Springer
As conversational CRM systems communicate with human customers and not other
computer systems, they need to tackle human emotions in a way to optimize the outcome of …