Evidence of synchronization of neuronal activity of molluscan brain ganglia induced by alternating 50 Hz applied magnetic field
Evidence of synchronization of neuronal activity of molluscan brain ganglia induced by alternating 50 Hz applied magnetic field
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DOI：
10.1081/jbc-120015992
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发表时间：
2002-11-01
影响因子：
1.7
通讯作者：
del Moral, A
中科院分区：
文献类型：
--
作者：
Azanza, MJ;Calvo, AC;del Moral, A
实验证据表明，在施加极低频(ELF)磁场下，神经元中出现了同步的生物电活动。我们通过记录从蜗牛脑神经节随机选择的神经元对的细胞内生物电活动来研究同步过程。记录在正弦低频(50 Hz)弱磁场(B-0=1~15mT)下实时进行。在27%的测试对中观察到了同步。给出了点火频率f与外加磁场能量密度(即法尔法B-0(2))的线性关系。低频正弦弱磁场促进磁同步的能力是令人兴奋的，并为诱导电磁场生物效应开辟了新的途径。
Experimental evidence for the appearance of synchronized bioelectric activity in neurons under applied extremely low frequency (ELF) magnetic fields is shown. We have studied the synchronizing process by recording the intracellular bioelectric activity from pairs,of neurons randomly chosen from the brain ganglia of the snail Helix aspersa. The recordings were made in real time under exposure to sinusoidal low frequency (50 Hz) weak (B-0= 1- 15 mT) magnetic fields. Synchronization was observed in 27% of the pairs tested. A linear dependence of the firing frequency f with the energy density of the applied magnetic field (i.e., falpha B-0(2)) was presented. The ability of low frequency sinusoidal weak magnetic fields to promote ''magnetic synchronization" is exciting and opens new avenues for induced electromagnetic field bioeffects.