[Comp-neuro] Frontiers Research Topic: "Feedforward and Feedback
Processes in Vision"
hulusi at bilkent.edu.tr
Thu Jan 2 10:35:24 CET 2014
We have recently initiated a Frontiers Research Topic "Feedforward and
Feedback Processes in Vision". The abstract submission deadline is Jan.
30, 2014. Please let us know if you are interested in submitting a
manuscript or if you have any further questions.
*Feedforward and Feedback Processes in Vision*
Hulusi Kafaligonul, Bilkent University, Ankara, Turkey
Bruno G. Breitmeyer, University of Houston, Houston, USA
Haluk Ög(men, University of Houston, Houston, USA
Deadline for abstract submission: January 30, 2014
Deadline for full article submission: May 30, 2014
The visual system consists of hierarchically organized distinct
anatomical areas functionally specialized for processing different
aspects of a visual object (Felleman & Van Essen, 1991). These visual
areas are interconnected through ascending feedforward projections,
descending feedback projections, and projections from neural structures
at the same hierarchical level (Lamme et al., 1998). Accumulating
evidence from anatomical, functional and theoretical studies suggests
that these three projections play fundamentally different roles in
perception. However, their distinct functional roles in visual
processing are still subject to debate (Lamme & Roelfsema, 2000).
The focus of this Research Topic is the roles of feedforward and
feedback projections in vision. Even though the notions of feedforward,
feedback, and reentrant processing are widely accepted, it has been
found difficult to distinguish their individual roles on the basis of a
single criterion. We welcome empirical contributions, theoretical
contributions and reviews that fit into any one (or a combination) of
the following domains: 1) their functional roles for perception of
specific features of a visual object 2) their contributions to the
distinct modes of visual processing (e.g., pre-attentive vs. attentive,
conscious vs. unconscious) 3) recent techniques/methodologies to
identify distinct functional roles of feedforward and feedback
projections and corresponding neural signatures. We believe that the
current Research Topic will not only provide recent information about
feedforward/feedback processes in vision but also contribute to the
understanding fundamental principles of cortical processing in general.
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