An Investigation into the Prolonged Consequences of Response Inhibition
Open AccessA canonical finding regarding the aftereffects of response inhibition is that subsequent behavior suffers. Across three papers, this dissertation prioritizes the study of “post-inhibition deficits” and provides compelling evidence that task-irrelevant stimulus features have an influence on such deficits. After a brief introduction, situating the current state of response inhibition literature, Chapter 2 addresses a fundamental question about whether post-inhibition deficits are ubiquitous and occur under all circumstances or are modulated by the visual features of the inhibited stimulus. By manipulating the task- irrelevant feature similarity between that of an inhibited stimulus and the following stimulus, the results reveal that post-inhibition deficits are general (and therefore always occurring) and stimulus-specific (and therefore incorporate featural information). Using a similar manipulation Chapter 3 addresses the nature in which task-irrelevant stimulus information is incorporated into post-inhibition deficits. Notably, the shape of post- inhibition deficits mimics that of the tuning properties of the inhibited stimulus’ visual features. Finally, Chapter 4 provides a commentary on crowdsourced data collection methods that enabled the experiments presented in this dissertation. The emphasis of Chapter 4 is about the ways in which online data collection methods can be leveraged to optimize the study of cognitive psychology rather than to simply complement it. Taken together, this dissertation manifests that there is still a lot that remains unknown about the study of response inhibition and their subsequent deficits. The contributions of this dissertation are far-reaching, exhibiting implications for theories of cognitive control, mechanisms of inhibition-related behaviors, and applied settings wherein response inhibition is apparent.
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