Layer-dependent activity in the human superior colliculus during working memory
Danlei CheniD, Philip A. KrageliD, Tor Dessart WageriD, Lawrence L. WaldiD, Marta BianciardiiD, Ajay B. SatputeiD, Karen S. QuigleyiD, Lisa Feldman BarrettiD, Yuta KatsumiiD, Jordan E. TheriaultiD
Abstract
We examined the superior colliculus (SC) with ultra-high resolution 7-Tesla fMRI during an N-back working memory task. We observed both increased BOLD signal intensity and functional connectivity that followed a layer-dependent pattern predicted from anatomical connections between SC and other brain structures important for visual processing, motor control, and executive function. Our results highlight a role for the human SC in cognitive functions that usually associated with the cerebral cortex.
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