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Decoding neural representations of human tool use from fMRI response patterns
- Stephanie Rossit
- Ethan Knights
- Fraser Smith
- Diana Tonin
- Courtney Mansfield
- Janak Saada
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Description: Most neuroimaging experiments that investigate how tools and their associated actions are represented in the brain use visual paradigms where objects and body parts are displayed as 2D images and no real movements are performed. These studies have discovered a tight relationship between hand- and tool-selective areas in LOTC and IPS, thought to reflect action-related processing but this claim has never been directly investigated. Here we addressed this by testing whether independently visually-defined category-selective areas were sensitive to real action properties involving 3D tools using fMRI MVPA.