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Table 2 Average image scores of the two observers for both sequences on visibility of anatomical details and grey-white matter contrast and delineation of vascular structures  using a 5-point Likert scale: 1 very poor, 2 poor, 3 acceptable, 4 good, and 5 excellent

From: Image quality and subject experience of quiet T1-weighted 7-T brain imaging using a silent gradient coil

Criteria   Quiet Conventional
Overall image quality   3 4
Anatomical details Frontal lobe 3 4
Temporal lobe 2 3
Parietal lobe 4 4
Occipital lobe 3 3
Limbic system 3 3
Basal ganglia 3 4
Grey-white matter contrast Frontal lobe 4 4
Temporal lobe 3 4
Parietal lobe 4 4
Occipital lobe 3 4
Limbic system 3 4
Basal ganglia 4 4
Vascular structures   3 4
Artifacts* Flow 2 2
Susceptibility 2 3
Bounce point 2 2
Truncation 3 3
  1. *Average scores of one 7-T experienced neuroradiologist. Likert scale for image artifacts if present: 1 severe, 2 obvious, 3 moderate, 4 mild