Functional Brain Imaging

abnormal activity arterial auditory Axial axon basal ganglia blood volume capillary cells central central sulcus cerebral blood flow clinical coil computed computed tomography contrast agent cortex cortical decreased demonstrating detection diffusion dipole disease effects encoding epilepsy extracellular field strength FMRI focal frequency functional Gd-DTPA glucose gradient hemorrhage HMPAO infarction inhomogeneous injection lesions Magn Reson magnetic field magnetic resonance imaging mapping measured membrane metabolism metabolite methods motor msec neoplasms nerve nervous system neural neuromagnetic neurons normal Nucl nuclei º º oxygen paramagnetic patients pattern peak perfusion phase positron emission tomography posterior processing projection proton pulse rCBF receptors relaxation scan seizures sensitivity sequences signal changes signal intensity slice SMRM Annual Meeting somatosensory spatial SPECT spectra spin echo stimulation studies susceptibility T2-weighted techniques temporal lobe thalamus tion tissue tumors uptake visual voxel white matter