Long reaction times are associated with delayed brain activity in lewy body dementia

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Long reaction times are associated with delayed brain activity in lewy body dementia

A significant symptom of Lewy body dementia (LBD) is slow cognitive processing or bradyphrenia. In a previous fMRI task-based study, we found slower responses in LBD, accompanied by greater deactivation in the default mode network. In this study, we investigated the timing and magnitude of the activations and deactivations with respect to reaction time to determine whether the slower responses ...

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ژورنال

عنوان ژورنال: Human Brain Mapping

سال: 2017

ISSN: 1065-9471,1097-0193

DOI: 10.1002/hbm.23866