Matthew R Blankenship

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The hippocampus and the amygdala have long been associated with memory, emotion, and motivated behaviors. Although the role of these two brain areas in learning a simple, discrete motor response has been well studied, a definitive theory concerning their functions remains elusive. The present experiment involved selective lesions of the central nucleus (CE)(More)
1. Two lines of rats specifically bred for alcohol preference were exposed to two different behavioral tasks that required behavioral inhibition to successfully solve. 2. Learning and performance of a step-down passive avoidance task and a differential reinforcement of low-rate responding task were studied in P/NP and HAD1/LAD1 rats. 3. While the P rats had(More)
BACKGROUND This study was undertaken as one of a series of experiments designed to examine basic behavioral characteristics present in rats bred specifically for alcohol preference. The basic premise for these experiments has been the idea that alcohol-preferring and -nonpreferring rats may differ in basic activation and inhibition control mechanisms that(More)
Although numerous biochemical and physiological differences have been shown to be correlated with alcohol preference, less is known about behavioral factors that may correlate with alcohol preference. Using a signaled barpressing task, alcohol-preferring (P; n = 18) and alcohol-nonpreferring (NP; n = 19) rats were compared for their ability to learn an(More)
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