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Several MRI studies have demonstrated hippocampal atrophy in Parkinson's disease (PD), a structure considered a key element in spatial learning. Despite this, no study has been undertaken to investigate spatial navigation in PD using a virtual version of the Morris water maze, which is the gold standard for testing hippocampal function in rodents.We studied 17 cognitively unimpaired PD patients, 12...
This article describes our work in progress and deals with methods and approaches for handling internal complexity emerging in highly realistic models of human behaviour. We present a new modelling approach to human decision making along with a conceptual design of several methods targeting selected aspects of complexity, such as the combinatorial explosion of action alternatives in rich environments,...
Properties, which have long been used for reasoning about systems, are sets of traces. Hyperproperties, introduced here, are sets of properties. Hyperproperties can express security policies, such as secure information flow, that properties cannot. Safety and liveness are generalized to hyperproperties, and every hyperproperty is shown to be the intersection of a safety hyperproperty and a liveness...
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