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Dr. Ojemann’s research focuses on the effects of neurosurgical procedures on memory and cognition in children and adults. Neurosurgical patients also offer the opportunity to study electrocorticography (direct brain electrical recordings) during cognitive tasks such as working memory, language, and visual attention. These recordings lead to complex signal analysis, and the signals can be used to support a brain-computer interface (BCI) models.
Ojemann’s current research includes feasibility studies of BCI models and investigations into how individuals modulate the signal as part of developing control. Such studies show how people can learn to control devices simply by thinking. Electrode data from the brain are translated into control of an output device (BCIs). BCI systems provide the only communication option for people who cannot communicate in any way using conventional methods. Ojemann also examines memory fMRI (functional magnetic resonance imaging) changes with epilepsy surgery and looks at the role of flumazenil PET (positron emission tomography) in the pre-surgical evaluation of seizures.
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