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A group of amnesic Korsakoff subjects and a group of alcoholic controls were trained on a test of visual recognition, delayed matching-to-sample with trial unique stimuli. This test was modelled on comparable tasks used in the development of animal models of human amnesia. It was found that the Korsakoff subjects were severely impaired when the task(More)
How do human brain networks react to dynamic changes in the sensory environment? We measured rapid changes in brain network organization in response to brief, discrete, salient auditory stimuli. We estimated network topology and distance parameters in the immediate central response period, <1 s following auditory presentation of standard tones interspersed(More)
Although metaphorical and conceptual connections between the human brain and the financial markets have often been drawn, rigorous physical or mathematical underpinnings of this analogy remain largely unexplored. Here, we apply a statistical and graph theoretic approach to the study of two datasets - the time series of 90 stocks from the New York stock(More)
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