tokens: The origins of reflected light changes associated with neuronal activity ( optical signals ) were investigated in rat somatosensory cortex with optical imaging , microspectrophotometry , and laser-Doppler flowmetry , and dynamic changes in local hemoglobin concentration and oxygenation were focused on .
folded_tokens: the origin of reflect light change associate with neuronal activity ( optical signal ) be investigate in rat somatosensory cortex with optical imaging , microspectrophotometry , and laser-doppler flowmetry , and dynamic change in local hemoglobin concentration and oxygenation be focus on .