The Dorsal Visual Pathway Represents Object-Centered Spatial Relations for Object Recognition.

ABSTRACT: Although there is mounting evidence that input from the dorsal visual pathway is crucial for object processes in the ventral pathway, the specific functional contributions of dorsal cortex to these processes remain poorly understood. Here, we hypothesized that dorsal cortex computes the spatial relations among an object's parts, a process crucial for forming global shape percepts, and transmits this information to the ventral pathway to support object categorization. Using fMRI with human participants (females and males), we discovered regions in the intraparietal sulcus (IPS) that were selectively involved in computing object-centered part relations. These regions exhibited task-dependent functional and effective connectivity with ventral cortex, and were distinct from other dorsal region

SUBMITTER: Ayzenberg V 

PROVIDER: S-EPMC9186804 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature