Functional Specialization in the Attention Network

Ian C. Fiebelkorn, Sabine Kastner
2019 Annual Review of Psychology  
Spatial attention is comprised of neural mechanisms that boost sensory processing at a behaviorally relevant location while filtering out competing information. The present review examines functional specialization in the network of brain regions that directs such preferential processing. This attention network includes both cortical (e.g., frontal and parietal cortices) and subcortical structures (e.g., the superior colliculus and the pulvinar nucleus of the thalamus). Here, we piece together
more » ... xisting evidence that these various nodes of the attention network have dissociable functional roles by synthesizing results from electrophysiology and neuroimaging studies. We describe functional specialization across several dimensions (e.g., at different processing stages and within different behavioral contexts), while focusing on spatial attention as a dynamic process that unfolds over time. Functional contributions from each node of the attention network can change on a moment-to-moment timescale, providing the necessary cognitive flexibility for sampling from highly dynamic environments. Expected final online publication date for the Annual Review of Psychology, Volume 71 is January 4, 2020. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
doi:10.1146/annurev-psych-010418-103429 pmid:31514578 pmcid:PMC7026883 fatcat:begezzowafcndjpy3y3j5mrr7q