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Full-Text Articles in Life Sciences

Amazon Nights Ii: Electric Boogaloo-Neural Adaptations For Communication In Three Species Of Weakly Electric Fish, Kathryne M. Allen Jan 2019

Amazon Nights Ii: Electric Boogaloo-Neural Adaptations For Communication In Three Species Of Weakly Electric Fish, Kathryne M. Allen

Graduate Theses, Dissertations, and Problem Reports

Sensory systems have to extract useful information from environments awash in noise and confounding input. Studying how salient signals are encoded and filtered from these natural backgrounds is a key problem in neuroscience. Communication is a particularly tractable tool for studying this problem, as it is a ubiquitous task that all organisms must accomplish, easily compared across species, and is of significant ethological relevance. In this chapter I describe the current knowledge of what is both known and still unknown about how sensory systems are adapted for the challenges of encoding conspecific signals, particularly in environments complicated by conspecific-generated noise. …


Perceived Threat Associated With Police Officers And Black Men Predicts Support For Policing Policy Reform, Allison L. Skinner, Ingrid J. Haas Jan 2016

Perceived Threat Associated With Police Officers And Black Men Predicts Support For Policing Policy Reform, Allison L. Skinner, Ingrid J. Haas

Center for Brain, Biology, and Behavior: Faculty and Staff Publications

Racial disparities in policing and recent high-profile incidents resulting in the deaths of Black men have ignited a national debate on policing policies. Given evidence that both police officers and Black men may be associated with threat, we examined the impact of perceived threat on support for reformed policing policies. Across three studies we found correlational evidence that perceiving police officers as threatening predicts increased support for reformed policing practices (e.g., limiting the use of lethal force and matching police force demographics to those of the community). In contrast, perceiving Black men as threatening predicted reduced support for policing policy …