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Université de Fribourg

Laser speckle analysis synchronised with cardiac cycle

Zakharov, Pavel ; Scheffold, Frank ; Weber, Bruno

In: Proceedings SPIE, 2015, vol. 9540, p. 954008–954008–9

We present an improved Laser speckle imaging approach to investigate the cerebral blood flow response following function stimulation of a single vibrissa. By synchronising speckle analysis with the cardiac cycle we are able to obtain robust averaging of the correlation signals while at the same time removing the contributions due to the pulsation of blood flow and associated tissue adaptation....