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Effects of Traumatic Brain Injury on Addiction-Like Behavior and Their Neuropathological Correlates
Merkel, Steven Franklin
Merkel, Steven Franklin
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2017
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Pathology
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http://dx.doi.org/10.34944/dspace/1892
Abstract
Recent clinical and preclinical reports have identified traumatic brain injury (TBI) as an important risk factor affecting the development of substance use disorders (SUDs). Notably, these studies show that factors like age at the time of injury and TBI severity may increase the risk of substance abuse behavior post-TBI. Furthermore, radiological assessments in clinical TBI populations have observed neuropathology in select brain regions that form key neurocircuits that mediate drug reward and drug-seeking behavior. Therefore, the effects of TBI on the function of these brain structures may influence the risk of substance abuse behavior following brain injury. In order to test the effect of experimental TBI on substance abuse behavior, we utilized two premiere preclinical models: 1) the controlled cortical impact (CCI) model of experimental TBI and 2) a biased, three-phase, cocaine conditioned place preference (CPP) assay. Furthermore, we characterized the effect of experimental TBI on
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