Abstract:
:We recorded auditory evoked magnetic fields (AEFs) by presenting pure tone bursts once every 4000 ms in 11 patients with a brain lesion in or in the vicinity of the auditory cortex. AEFs on the damaged side revealed several enhanced deflections in late-latency AEFs (slow AEFs), peaking at approximately 320 (DI), 1030 (D2) and 1600 (D3) ms post-stimulus in eight patients. All the dipoles of slow AEFs were concentrated in the superior temporal regions which were not involved by brain lesions. D1, D2 and D3 dipoles were uniformly upward, downward and upward, respectively. The dipole moment varied from 12 to 122 nAm and had no consistent relationship with latency. This is the first report describing slow AEFs in cases with temporal lobe lesions.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Kamada K,Takeuchi F,Harada T,Qiao B,Houkin K,Kuriki S,Iwasaki Y,Mitsumori Kdoi
10.1097/00001756-200105080-00048subject
Has Abstractpub_date
2001-05-08 00:00:00pages
1297-300issue
6eissn
0959-4965issn
1473-558Xjournal_volume
12pub_type
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