1. Magnetoencephalographic recordings of visual evoked brain activity in the human fetus.
- Author
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Eswaran H, Wilson JD, Preissl H, Robinson SE, Vrba J, Murphy P, Rose DF, Lowery CL, Eswaran, Hari, Wilson, James, Preissl, Hubert, Robinson, Stephen, Vrba, Jiri, Murphy, Pam, Rose, Douglas, and Lowery, Curtis
- Abstract
We investigated the feasibility of recording visual evoked brain activity in the human fetus by use of non-invasive magnetoencephalography (MEG). Each recording lasted 6 min and consisted of a sequence of 180 flashes with 33 ms duration delivered 2 s apart over the maternal abdomen. Four of ten fetuses included showed a response; the ranges of amplitude and latency of peak response were 15-30 x 10(-15) Tesla and 180-390 ms, respectively. Six fetuses showed no discernible response. With improvement, this method could aid in the testing of fetal neurological status throughout pregnancy. [ABSTRACT FROM AUTHOR]
- Published
- 2002
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