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Dynamics is an essential aspect of the brain function. In this article we review theoretical models of neural and haemodynamic processes in the human brain and experimental non-invasive techniques developed to study brain functions and to measure dynamic characteristics, such as neurodynamics, neurovascular coupling, haemodynamic changes due to brain activity and autoregulation, and cerebral metabolic...
This paper presents a versatile mobile system to monitor oxygenated hemoglobin (HBO) and deoxygenated hemoglobin (HB) concentration changes in brain and tissues. The system uses global system for mobile communications (GSM) and Bluetooth networks to provide extended mobility. The system consists of three parts: a wireless near-infrared light sensor with Bluetooth support, a personal digital assistant...
We propose a new algorithm for the estimation of functional activations in diffuse optical imaging. Our approach considers the activations to be support limited. We simultaneously estimate the function values as well as the support from the available measurements. Since this scheme exploit the structure inherent to functional imaging, it provide reconstructions with better spatial resolution and is...
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