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Neuroscience Brown Bag Series

Thursday, February 28, 2019,

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  • Location: Wilson Hall • 111 21St Ave S • Nashville, TN 37240
  • Room: 316

Kaleb Lowe

Department of Psychology (Schall Lab)

Vanderbilt University

Training Induced Shape Selectivity in Frontal Eye Field Dissociates Attentional and Motor Processes during Visual Search

In behavioral research, we often like to think that our participants are performing whatever task we give them as intended. To get them to do so, we often compensate them either with class credit, money, or in the case of monkeys, juice. But what happens when that compensation isn’t enough for a participant to bother with the complexities of a multifaceted task? Or, what happens when the compensation is highly correlated with some unintended component of the task? My ongoing work in the neurophysiology of visual search has presented me with exactly this situation. Luckily, the manner in which one monkey exploited the search task rules revealed some interesting induced phenomena, specifically shape selectivity, in the neurophysiology of frontal eye field. Similar feature selectivity has been observed in the lab before (Bichot et al., 1996), but is unusual in the literature at large. In this talk, I aim to present these findings as well as have a rather informal discussion about the importance of these findings, the mechanisms by which they could be generated, and more generally, how to prepare and present them moving forward.