AIMC Topic: Visual Perception

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An artificial visual neuron with multiplexed rate and time-to-first-spike coding.

Nature communications May 1, 2024
Human visual neurons rely on event-driven, energy-efficient spikes for communication, while silicon image sensors do not. The energy-budget mismatch between biological systems and machine vision technology has inspired the development of artificial v...
Action Potentials Neurons Visual Perception Neural Networks, Computer Models, Neurological Humans
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Recurrent neural networks that learn multi-step visual routines with reinforcement learning.

PLoS computational biology Apr 29, 2024
Many cognitive problems can be decomposed into series of subproblems that are solved sequentially by the brain. When subproblems are solved, relevant intermediate results need to be stored by neurons and propagated to the next subproblem, until the o...
Neural Networks, Computer Learning Models, Neurological Memory, Short-Term Neurons Animals Computational Biology Macaca mulatta Visual Perception Visual Cortex Reinforcement, Psychology
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A neurocomputational model of decision and confidence in object recognition task.

Neural networks : the official journal of the International Neural Network Society Apr 12, 2024
How does the brain process natural visual stimuli to make a decision? Imagine driving through fog. An object looms ahead. What do you do? This decision requires not only identifying the object but also choosing an action based on your decision confid...
Pattern Recognition, Visual Visual Cortex Recognition, Psychology Photic Stimulation Visual Perception Neural Networks, Computer Computer Simulation Models, Neurological Humans Decision Making Reaction Time
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A number sense as an emergent property of the manipulating brain.

Scientific reports Mar 21, 2024
The ability to understand and manipulate numbers and quantities emerges during childhood, but the mechanism through which humans acquire and develop this ability is still poorly understood. We explore this question through a model, assuming that the ...
Learning Cognition Visual Perception Humans Artificial Intelligence Brain
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A fully spiking coupled model of a deep neural network and a recurrent attractor explains dynamics of decision making in an object recognition task.

Journal of neural engineering Mar 20, 2024
Object recognition and making a choice regarding the recognized object is pivotal for most animals. This process in the brain contains information representation and decision making steps which both take different amount of times for different object...
Decision Making Reaction Time Visual Perception Neurons Humans Neural Networks, Computer Animals
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A universal ANN-to-SNN framework for achieving high accuracy and low latency deep Spiking Neural Networks.

Neural networks : the official journal of the International Neural Network Society Mar 15, 2024
Spiking Neural Networks (SNNs) have become one of the most prominent next-generation computational models owing to their biological plausibility, low power consumption, and the potential for neuromorphic hardware implementation. Among the various met...
Neurons Visual Perception Neural Networks, Computer Databases, Factual
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Improved modeling of human vision by incorporating robustness to blur in convolutional neural networks.

Nature communications Mar 5, 2024
Whenever a visual scene is cast onto the retina, much of it will appear degraded due to poor resolution in the periphery; moreover, optical defocus can cause blur in central vision. However, the pervasiveness of blurry or degraded input is typically ...
Visual Perception Neural Networks, Computer Retina Humans
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Enhancing neural encoding models for naturalistic perception with a multi-level integration of deep neural networks and cortical networks.

Science bulletin Feb 29, 2024
Cognitive neuroscience aims to develop computational models that can accurately predict and explain neural responses to sensory inputs in the cortex. Recent studies attempt to leverage the representation power of deep neural networks (DNNs) to predic...
Adult Visual Perception Cerebral Cortex Male Magnetic Resonance Imaging Brain Female Humans Deep Learning Nerve Net Models, Neurological Young Adult Neural Networks, Computer
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Predicting Single Neuron Responses of the Primary Visual Cortex with Deep Learning Model.

Advanced science (Weinheim, Baden-Wurttemberg, Germany) Feb 13, 2024
Modeling neuron responses to stimuli can shed light on next-generation technologies such as brain-chip interfaces. Furthermore, high-performing models can serve to help formulate hypotheses and reveal the mechanisms underlying neural responses. Here ...
Animals Visual Perception Mice Deep Learning Visual Cortex Neurons Primary Visual Cortex
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Using deep neural networks to disentangle visual and semantic information in human perception and memory.

Nature human behaviour Feb 8, 2024
Mental representations of familiar categories are composed of visual and semantic information. Disentangling the contributions of visual and semantic information in humans is challenging because they are intermixed in mental representations. Deep neu...
Male Semantics Visual Perception Mental Recall Memory Female Young Adult Adult Humans Neural Networks, Computer Facial Recognition Recognition, Psychology
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