Abstract:
:Flow-alternating inversion-recovery magnetic resonance imaging was performed at 3.0 T to measure cerebral perfusion during rest and motor activation in six healthy adult volunteers. Results were compared with those at 1.5 T. The mean signal-to-noise ratio for both gray matter and white matter perfusion measured with and without vascular suppression at 3.0 T was significantly (P <.01) higher (n = 6) than that at 1.5 T. Brain perfusion activation maps collected during a motor task showed a substantially larger number of activated pixels (>80%) at 3.0 T, with activation in the supplementary motor area in the 3.0-T data that was not present on 1.5-T perfusion maps.
journal_name
Radiologyjournal_title
Radiologyauthors
Yongbi MN,Fera F,Yang Y,Frank JA,Duyn JHdoi
10.1148/radiol.2222001697subject
Has Abstractpub_date
2002-02-01 00:00:00pages
569-75issue
2eissn
0033-8419issn
1527-1315journal_volume
222pub_type
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