Abstract：
BACKGROUND:Low-intensity pulsed ultrasound stimulation (LIPUS) has been proven to be a noninvasive method with high spatial resolution and deep penetration. Previous studies have qualitatively demonstrated that the electromyographic response caused by LIPUS in the mouse motor cortex is affected by the anesthetic state of the mice. However, the quantitative relationship between motor response and anesthetic dose remains unclear. RESULTS:Experimental results show that the success rate decreases stepwise as the isoflurane concentration/mouse weight ratio increases (ratios: [0.004%/g, 0.01%/g], success rate: ~ 90%; [0.012%/g, 0.014%/g], ~ 40%; [0.016%/g, 0.018%/g], ~ 7%; 0.024%/g, 0). The latency and duration of EMG increase significantly when the ratio is more than 0.016%/g. Compared with that at ratios from 0.004 to 0.016%/g, normalized EMG amplitude decreases significantly at ratios of 0.018%/g and 0.020%/g. CONCLUSIONS:Quantitative calculations indicate that the anesthetic dose has a significant regulatory effect on the motor response of mice during LIPUS. Our results have guiding significance for the selection of the anesthetic dose for LIPUS in mouse motor cortex experiments.
journal_name
BMC Neuroscijournal_title
BMC neuroscienceauthors
Yuan Y,Wang X,Yan J,Li Xdoi
10.1186/s12868-018-0476-2subject
Has Abstractpub_date
2018-12-03 00:00:00pages
78issue
1issn
1471-2202pii
10.1186/s12868-018-0476-2journal_volume
19pub_type
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