Visual numerosity representation in human brain and machines

Code related to studies on the visual representation of numerosity in the human brain and in machines. This code accompanies my PhD thesis at the Center for Mind/Brain Sciences (CIMeC), University of Trento.

• Karami, A. (2024). The representation of numerosity in the human brain and machines (Doctoral dissertation). Center for Mind/Brain Sciences (CIMeC), University of Trento. https://doi.org/10.15168/11572_402591

Related publications

• Karami, A., Castaldi, E., Eger, E., & Piazza, M. (2025). Distinct neural representational geometries of numerosity in early visual and association regions across visual streams. Communications Biology, 8(1). https://doi.org/10.1038/s42003-025-08395-z
• Karami, A., Truong, N., & Piazza, M. (2025). Investigation of Numerosity Representation in Convolution Neural Networks. CCN 2025 Proceedings. https://doi.org/10.32470/4j01408

Related data

Links to download the model weights:

• [Link] CORnet-Z trained on DeWind dataset
• [Link] CORnet-Z trained on ISA2 dataset
• [Link] CORnet-Z trained on Natural dataset

Links to download the images to test/train the model:

• [Link] DeWind dataset
• [Link] ISA2 dataset
• [Link] Natural dataset

Related toolboxes

I used the following tools for the project:

• SPM software package
• AFNI
• FreeSurfer
• CoSMoMVPA
• Surfing
• THINGSvision
• MNE-Python