Editors
1
Impact
Loading...
Hypothesis and Theory
17 May 2013
What is Bottom-Up and What is Top-Down in Predictive Coding?
Karsten Rauss
 and 
Gilles Pourtois
Top-down effects as direct influences of a source region located at least two levels above the target region in a hierarchical predictive-coding system.

Everyone knows what bottom-up is, and how it is different from top-down. At least one is tempted to think so, given that both terms are ubiquitously used, but only rarely defined in the psychology and neuroscience literature. In this review, we highlight the problems and limitations of our current understanding of bottom-up and top-down processes, and we propose a reformulation of this distinction in terms of predictive coding.

117,919 views
132 citations
25,791 views
406 citations
34,714 views
239 citations