What is a benefit of using lower receiver bandwidth in MRI?

Using lower receiver bandwidth in MRI typically leads to less noise in the images. Lower receiver bandwidth means that the system is restricting the range of frequencies it is sampling, which can improve the signal-to-noise ratio (SNR) under certain conditions. By focusing on a narrower bandwidth, the MRI system can reduce the amount of electronic noise picked up from the surrounding environment, thereby enhancing the clarity and quality of the images produced.

This approach can help in obtaining better visualization of the anatomy or pathology of interest. However, while it can improve SNR, it is essential to balance bandwidth with acquisition time and potential chemical shift artefact, which may arise at lower bandwidths. So, using lower receiver bandwidth is effective primarily for achieving better image quality due to reduced noise.