Noninvasive Transcranial Stimulation of Rat Abducens Nerve by Focused Ultrasound

Hyungmin Kim, Seyed Javid Taghados, Krisztina Fischer, Lee So Maeng, Shin Suk Park, Seung Schik Yoo

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

Nonpharmacologic and nonsurgical transcranial modulation of the nerve function may provide new opportunities in evaluation and treatment of cranial nerve diseases. This study investigates the possibility of using low-intensity transcranial focused ultrasound (FUS) to selectively stimulate the rat abducens nerve located above the base of the skull. FUS (frequencies of 350 kHz and 650 kHz) operating in a pulsed mode was applied to the abducens nerve of Sprague-Dawley rats under stereotactic guidance. The abductive eyeball movement ipsilateral to the side of sonication was observed at 350 kHz, using the 0.36-msec tone burst duration (TBD), 1.5-kHz pulse repetition frequency (PRF), and the overall sonication duration of 200 msec. Histologic and behavioral monitoring showed no signs of disruption in the blood brain barrier (BBB), as well as no damage to the nerves and adjacent brain tissue resulting from the sonication. As a novel functional neuro-modulatory modality, the pulsed application of FUS has potential for diagnostic and therapeutic applications in diseases of the peripheral nervous system.

Original languageEnglish
Pages (from-to)1568-1575
Number of pages8
JournalUltrasound in Medicine and Biology
Volume38
Issue number9
DOIs
Publication statusPublished - 2012 Sep 1

Fingerprint

Abducens Nerve
Sonication
Cranial Nerve Diseases
Skull Base
Peripheral Nervous System Diseases
Blood-Brain Barrier
Sprague Dawley Rats
Pulse
Brain
Therapeutics

Keywords

  • Abducens nerve
  • Brain
  • Cranial nerve VI
  • Focused ultrasound
  • Neuromodulation
  • Peripheral nervous system

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Biophysics

Cite this

Noninvasive Transcranial Stimulation of Rat Abducens Nerve by Focused Ultrasound. / Kim, Hyungmin; Taghados, Seyed Javid; Fischer, Krisztina; Maeng, Lee So; Park, Shin Suk; Yoo, Seung Schik.

In: Ultrasound in Medicine and Biology, Vol. 38, No. 9, 01.09.2012, p. 1568-1575.

Research output: Contribution to journalArticle

Kim, Hyungmin ; Taghados, Seyed Javid ; Fischer, Krisztina ; Maeng, Lee So ; Park, Shin Suk ; Yoo, Seung Schik. / Noninvasive Transcranial Stimulation of Rat Abducens Nerve by Focused Ultrasound. In: Ultrasound in Medicine and Biology. 2012 ; Vol. 38, No. 9. pp. 1568-1575.
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