Novel Trends in Biosensors Used for Electroencephalography Measurements in Neurocognitive Engineering Applications

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Journal Article
Journal of neuroscience and neuroengineering, 2012, 1 (1), pp. 32 - 41
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The measurement of human brain function via the Electroencephalography (EEG)-based augmented brain-computer interface (ABCI) system is an important research topic in the neurocognitive field. The ABCI provides a direct pathway for communication between the human brain and the external world. Conventionally, wet sensors have been commonly used to perform cognitive experiments with EEG-based ABCIs. The wet sensors provide measurable results, showing that high temporal resolution of brain activity can be reliably achieved, but only in limited laboratory experiments. Brain function in real-world conditions still needs to be further studied. Currently, many types of biosensors are proposed to be lightweight and provide a rapid and comfortable response. Here, we present an overview of the wide range of biosensors used for measuring brain activity in cognitive neuroscience applications, including multi-modality biosensors. This review provides novel insights into the development trends of biosensors in the cognitive neuroscience field, especially in real-world applications
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