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. 2019 Jun 19;13:64. doi: 10.3389/fnana.2019.00064

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Copyright © 2019 Smith, Watson, Liang, Liu, Zhang and Alloway.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Role for the claustrum in processing visual salience. (A) Illustration of ethologically relevant scenario involving rodent vision to orient to predatory salient stimuli while otherwise attempting to actively forage. If predators are in different spatial fields, interhemispheric mechanisms are needed to coordinate attention to these stimuli across disparate visual fields. (B) Circuit diagram of the ascending visual processing pathway from the retina and the descending visuomotor pathway for controlling the extra-ocular muscles. Note the proposed “visual salience circuit” emanating from the superior colliculus and relayed to limbic structures (BLA and subsequently CLA) via the pulvinar. (C) Summary of interhemispheric connections between the rodent frontal eye fields. Summarized from findings from Alloway et al. (2008), Smith and Alloway (2010, 2014) and Smith et al. (2012, 2016, 2017).