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How Monkeys - and Machines - See in 3D

Yale researchers model how the brain infers 3D body shapes from 2D images, advancing neuroscience and AI using high-performance computing.

Work in Yale’s Cognitive and Neural Computation Lab bridges neuroscience and AI, revealing how the brain flexibly interprets complex environments — powered by high-performance computing for large-scale modeling.

A new study from the lab reveals how the primate brain transforms flat, two-dimensional images into rich, three-dimensional mental models — a process that could revolutionize both neuroscience and artificial intelligence. Led by Ilker Yildirim and Ph.D. candidate Hakan Yilmaz, the team developed a computational model called the Body Inference Network (BIN), which mimics how the brain interprets visual input to infer 3D structure.

The researchers trained BIN to reconstruct 3D representations of human and monkey bodies from labeled 2D images. When compared with neural activity recorded in macaques, BIN’s processing stages closely mirrored brain activity in regions responsible for body shape recognition. This alignment offers compelling evidence for a shared computational strategy between biological and artificial systems — a concept the team calls “inverse graphics.”

This research was powered by Yale high-performance computing resources. The computational demands of training and validating BIN, as well as analyzing neural data, required scalable infrastructure and advanced modeling capabilities. The study exemplifies how research computing accelerates discovery at the intersection of cognitive science, machine learning, and neuroscience.

Hakan Yilmaz, a Ph.D. candidate in Yale’s Graduate School of Arts and Sciences, with Ilker Yildirim, an assistant professor of psychology in Yale’s Faculty of Arts and Sciences.

Research projects

A Future of Unmanned Aerial Vehicles
Yale Budget Lab
Volcanic Eruptions Impact on Stratospheric Chemistry & Ozone
Towards a Whole Brain Cellular Atlas
Tornado Path Detection
The Kempner Institute - Unlocking Intelligence
The Institute for Experiential AI
Taming the Energy Appetite of AI Models
Surface Behavior
Studying Highly Efficient Biological Solar Energy Systems
Software for Unreliable Quantum Computers
Simulating Large Biomolecular Assemblies
SEQer - Sequence Evaluation in Realtime
Revolutionizing Materials Design with Computational Modeling
Remote Sensing of Earth Systems
Quantum Computing in Renewable Energy Development
Pulling Back the Quantum Curtain on ‘Weyl Fermions’
New Insights on Binary Black Holes
NeuraChip
Network Attached FPGAs in the OCT
Monte Carlo eXtreme (MCX) - a Physically-Accurate Photon Simulator
Modeling Hydrogels and Elastomers
Modeling Breast Cancer Spread
Impact of Marine Heatwaves on Coral Diversity
IceCube: Hunting Neutrinos
Genome Forecasting
Global Consequences of Warming-Induced Arctic River Changes
Exact Gravitational Lensing by Rotating Black Holes
Evolution of Viral Infectious Disease
Evaluating Health Benefits of Stricter US Air Quality Standards
Ephemeral Stream Water Contributions to US Drainage Networks
Energy Transport and Ultrafast Spectroscopy Lab
Electron Heating in Kinetic-Alfvén-Wave Turbulence
Discovering Evolution’s Master Switches
Dexterous Robotic Hands
Developing Advanced Materials for a Sustainable Energy Future
Detecting Protein Concentrations in Assays
Denser Environments Cultivate Larger Galaxies
Deciphering Alzheimer's Disease
Dancing Frog Genomes
Cyber-Physical Communication Network Security
Asteroid Data Mining
Analyzing the Gut Microbiome
Adaptive Deep Learning Systems Towards Edge Intelligence
Accelerating Rendering Power
ACAS X: A Family of Next-Generation Collision Avoidance Systems
Computation + Machine Intelligence | Wu Tsai Institute
Computational Modeling of Biological Systems
Computational Molecular Ecology
Social Capital and Economic Mobility
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