Highlights d Ultrasound-induced neuromodulation is initiated by opening of TRPA1 in astrocytes d The Ca 2+ entry through TRPA1 causes a release of glutamate through Best1 channels d The released glutamate activates NMDA receptors in neighboring neurons

The effect of small deviations from a Maxwellian equilibrium on turbulent momentum transport in tokamak plasmas is considered. These non-Maxwellian features, arising from diamagnetic effects, introduce a strong dependence of the radial flux of cocurrent toroidal angular momentum on collisionality: As the plasma goes from nearly collisionless to weakly collisional, the flux reverses direction from radially inward to outward. This indicates a collisionality-dependent transition from peaked to hollow rotation profiles, consistent with experimental observations of intrinsic rotation.