Is there a difference in activation or in inhibition of cortical auditory centers depending on the ear that is stimulated?

Goycoolea, Marcos V.; Mena, Ismaël

doi:10.1080/00016480802495420

Acta Oto-Laryngologica

2009

DOI: 10.1080/00016480802495420

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Is there a difference in activation or in inhibition of cortical auditory centers depending on the ear that is stimulated?

Marcos V. Goycoolea¹,

Ismaël Mena

Abstract: During auditory stimulation perfusion increased in both hemispheres in Brodmann's areas 39-40 and decreased in area 38,>2 SD above and below the normal mean respectively, in both hemispheres, regardless of which side was stimulated. A significantly more intense response was seen in left versus right in areas 39 and 40. In area 38 there was bilateral inhibition, significantly more intense in response to left than right ear stimulation.

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Cited by 1 publication

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The Treatment of Peripheral Vestibular Dysfunction Using Caloric Vestibular Stimulation in Patients with Cerebral Hypertensive Crisis

Gomza¹,

Mösges²

2015

IJOHNS

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Background: To verify the efficacy of caloric vestibular stimulation in patients with peripheral vestibular dysfunction after cerebral hypertensive crisis. Methods: Enrolled in the study were 60 patients with peripheral vestibular dysfunction caused by a cerebral hypertensive crisis, documented by vestibulometry. Thirty patients underwent standard treatment plus caloric vestibular stimulation, and 30 control group patients received standard treatment alone. Results: After the two-week treatment course, the sensation of vertigo was observed in 40.0% ± 8.9% of treatment group patients compared with 80.0% ± 7.3% of control group patients (t = 3.46; p < 0.001). Spontaneous vestibular somatic reactions were found in 46.7% ± 9.1% of the study treatment group in contrast to 86.7% ± 6.2% of the control group (t = 3.63; p < 0.001). Spontaneous nystagmus was seen in 40.0% ± 8.9% of treatment group patients compared with 93.3% ± 4.6% of control subjects (t = 5.31; p < 0.001). Spontaneous vestibular vegetative reactions were observed in 33.3% ± 8.6% of patients receiving study treatment in contrast to 93.3% ± 4.6% of control group patients (t = 6.16; p < 0.001). Also, 53.3% ± 9.1% of study treatment group patients showed asymmetry of labyrinths compared with 86.7% ± 6.2% of patients from the control group (t = 3.03; p < 0.001). Conclusion: Caloric vestibular stimulation was shown to be an effective treatment for peripheral vestibular dysfunction in patients with cerebral hypertensive crisis. During the 14-day treatment of cerebral hypertensive crisis, complete labyrinthine function recovery occurred in 46.7% of treatment group patients who underwent caloric vestibular stimulation as opposed to 13.3% of control group patients who received standard treatment alone.

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The Treatment of Peripheral Vestibular Dysfunction Using Caloric Vestibular Stimulation in Patients with Cerebral Hypertensive Crisis

Gomza¹,

Mösges²

2015

IJOHNS

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Is there a difference in activation or in inhibition of cortical auditory centers depending on the ear that is stimulated?

Cited by 1 publication

References 13 publications

The Treatment of Peripheral Vestibular Dysfunction Using Caloric Vestibular Stimulation in Patients with Cerebral Hypertensive Crisis

The Treatment of Peripheral Vestibular Dysfunction Using Caloric Vestibular Stimulation in Patients with Cerebral Hypertensive Crisis

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