Uses the bold oxygenation level dependent on functional magnetic resonance imaging (BOLD-fMRI) to observe the volume and intensity of the activated auditory cortex evoked by pure tone stimuli in healthy subjects,analyzes the volume and intensity of two hemi- spheres of activated auditory cortex quantitatively,and compares the difference of auditory cortex between left and right hemispheres.

Especially,the investigation of blood oxygen level dependent fMRI(BOLD-fMRI) in neurology and psychiatry developed quickly.

Secondly,according to the relationship between blood oxygenation level dependent(BOLD)and T2 signal,two types of instantaneous power of fMRI signals which represent the energy fluctuations of BOLD are proposed.

Blood oxygen level-dependent MR imaging of rat kidney at 3.0T MR scanner:initial experience;