… localized hemodynamic signals that will allow high-field MRI to … without inducing calcium
signals in astrocytes [55]. Recent … independent of neural activation [100]. Studies have shown …

… ” we show that a calcium-driven Hemodynamic Response Function (… Finally, in Section
Adaptation effects we study the effects of … involved in the calcium signal activation, and a detailed …

… Activation of excitatory neurons in the brain is believed to initiate the … , astrocytes may drive
neurovascular coupling in two ways: fast calcium signals that fine-tune the haemodynamic …

… minimize partial volume effects from outside of the gray matter. We treated the signal observed
in … evoked by neural activation, fundamentally changing the hemodynamics of the BOLD …

… It is important to keep these likely functional roles in mind when designing brain imaging …
[107] and has been shown to relate to functional networks activated by particular tasks [108]. …

… signals during neural activation, thus yielding BOLD signals. In … , with the contribution of
astrocytes being most prominent at the … effect of such components on the haemodynamic signals …

… , brain vessels are invaded by tumoral cells, astrocytes are … mixed-effects model, over more
than 600 activated clusters, … present study no age or sex effect on HRF was detected in the …

… First, to examine if postsynaptic activation of these inhibitory … also increase blood flow
through astrocytes, we applied 1-… Lastly, we examined the effects of GABA on the hemodynamic …

… astrocyte Ca 2+ signals (>3 s) occurring in the awake state regulate CBF when sensory
activation … In response to 5 s whisker stimulation, we found that astrocyte CalEx had no impact on …

… in neurovascular coupling during the cortical activation and during the resting states of brain
… and the phase of ongoing activity can impact the level of stimulation-evoked responses. …