Visual spatial attention concentrates neural resources at the attended location. Recently, we demonstrated that voluntary spatial attention attracts population receptive fields (pRFs) toward its location throughout the visual hierarchy. Theoretically, both a feed forward or feedback mechanism could underlie pRF attraction in a given cortical area. Here, we use sub-millimeter ultra-high field functional MRI to measure pRF attraction across cortical depth and assess the contribution of feed forward and feedback signals to pRF attraction. In line with previous findings, we find consistent attraction of pRFs with voluntary spatial attention in V1. When assessed as a function of cortical depth, we find pRF attraction in every cortical portion (deep, center and superficial), although the attraction is strongest in deep cortical portions (near the gray-white matter boundary). Following the organization of feed forward and feedback processing across V1, we speculate that a mixture of feed forward and feedback processing underlies pRF attraction in V1. Specifically, we propose that feedback processing contributes to the pRF attraction in deep cortical portions.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Cortical depth dependent population receptive field attraction by spatial attention in human V1


    Beteiligte:
    Klein, Barrie P (Autor:in) / Fracasso, A. (Autor:in) / van Dijk, Jelle A (Autor:in) / Paffen, Chris L E (Autor:in) / Te Pas, Susan F (Autor:in) / Dumoulin, Serge O (Autor:in)

    Erscheinungsdatum :

    01.01.2018


    Anmerkungen:

    Klein , B P , Fracasso , A , van Dijk , J A , Paffen , C L E , Te Pas , S F & Dumoulin , S O 2018 , ' Cortical depth dependent population receptive field attraction by spatial attention in human V1 ' , NeuroImage , vol. 176 , pp. 301-312 . https://doi.org/10.1016/j.neuroimage.2018.04.055



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Schlagwörter :

    Klassifikation :

    DDC:    629



    Turning a blind eye to cortical receptive fields

    Chapman, B. / Stone, L. S. | NTRS | 1996


    ATTENTION ATTRACTION SYSTEM

    TODAKA YOSHIKAZU / KARIYA TOMOYUKI | Europäisches Patentamt | 2022

    Freier Zugriff

    DR-TANet: Dynamic Receptive Temporal Attention Network for Street Scene Change Detection

    Chen, Shuo / Yang, Kailun / Stiefelhagen, Rainer | IEEE | 2021


    SYSTEMS AND METHODS FOR REAR PASSENGER ATTENTION ATTRACTION

    GARCIA RODRIGUEZ GONZALO GABINO / MANDUJANO SALGADO JOSE MARTIN / BARCENAS JIMENEZ IBARUCH DIEGO et al. | Europäisches Patentamt | 2024

    Freier Zugriff

    Systems and methods for rear passenger attention attraction

    GARCIA RODRIGUEZ GONZALO GABINO / MANDUJANO SALGADO JOSE MARTIN / BARCENAS JIMENEZ IBARUCH DIEGO et al. | Europäisches Patentamt | 2025

    Freier Zugriff