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Updated: Jun 11, 2026

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Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
Published on: August 1, 2018
Action relationships concatenate representations of separate objects in the ventral visual system
Katherine L Roberts1, Glyn W Humphreys
1Brain and Behavioural Sciences, School of Psychology, University of Birmingham, UK. k.l.roberts.1@bham.ac.uk
Neuroimage
|June 29, 2010
Summary
Neural networks in the brain
Area of Science:
- Neuroscience
- Cognitive Psychology
- Visual Perception
Background:
- The ventral visual stream recognizes individual objects.
- Neural processing of multiple interacting objects remains largely unknown.
Purpose of the Study:
- To investigate the neural response to pairs of objects.
- To understand how the brain processes object interactions.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used.
- Participants viewed pairs of objects in interacting or non-interacting positions.
Main Results:
- Interacting object pairs activated the lateral occipital complex (LOC) and fusiform gyrus.
- Activation in LOC was independent of action familiarity.
- Fusiform gyrus activation depended on the familiarity of the action pair.
Conclusions:
- Ventral visual stream regions process object interactions, not just individual objects.
- Object interaction processing in the fusiform gyrus is modulated by action familiarity.
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