Light magnetic resonance imaging

In collaboration with the University of Wageningen, magnetic resonance imaging (MRI) was used to visualize the film flow in the monoliths [15], As shown in Fig. 8.8, liquid (water) was fed onto a complete piece of monolith from which four channels then were prolonged for measurement. In Fig. 8.9, the liquid is represented as light areas in the corners of the four channels. Clearly, the channel walls are not uniformly irrigated. In the corners, the gas-liquid interface is shaped like an arc, whereas between the pockets, only a thin liquid film remains ( 70 pm). This retraction of the film into the corners can be attributed to the high surface tension of the liquid used (water). Additionally, the liquid pockets of one channel have different sizes, and this leads to channel scale maldistribution. 

Figure 32.10. Brain Response to Odorants. A functional magnetic resonance image reveals brain response to odorants. The light spots indicate regions of the brain activated by odorants. [N. Sobel et al., J. Neurophysiol. 83 537-551 2000 537 courtesy of Nathan Sobel.]...

Detterman I was interested in the functional magnetic resonance imaging (fMRI) study. Could you tell us what areas light up and why ... 

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