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Simultaneous Multi-Slice

Accelerate advanced neuro applications for clinical routine

Simultaneous Multi-Slice1 speeds up imaging significantly – through the simultaneous excitation and readout of multiple slices. Together, Simultaneous Multi-Slice Diffusion and BOLD bring advanced neuro applications into clinical routine – offering various advantages:

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Benefits Simultaneous Multi-Slice Diffusion:

  • Scan time reduction as a factor of slice acceleration2
  • Higher spatial resolution (thinner slices)
  • Improved diffusion resolution (more directions and b values)

Benefits Simultaneous Multi-Slice BOLD:

  • Greater slice coverage
  • Higher spatial resolution (thinner slices)
  • Increased temporal resolution for higher sensitivity to BOLD signal


  • For diffusion-weighted imaging, slice acceleration can be used to reduce scan time and/or achieve higher spatial/diffusion resolution.
  • For BOLD, slice acceleration can be used to increase temporal sampling of BOLD data, for higher sensitivity to BOLD signal changes, and/or to increase slice coverage/resolution.
  • Simultaneous Multi-Slice accelerated BOLD and diffusion-weighted protocols for the brain are provided.

1 The products/features shown on this webpage are not commercially available in all countries. Due to regulatory reasons their future availability cannot be guaranteed. Please contact your local Siemens organization for further details.

2 Note that scan time reduction is not an exact factor of slice acceleration due to a fast reference scan required for slice separation.

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