Letter to the EditorTwo distinct patterns of VEMP changes with age
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Cited by (28)
Age-related deterioration of saccule-related neural function is associated with decreased estimated glomerular filtration rate and increased free thyroxine
2019, Clinical NeurophysiologyCitation Excerpt :In this study, ageing-related deterioration of saccule-related neural function was reaffirmed. Indeed, unlike the function of semicircular canal that yet remains controversial in term of ageing-effect (McGarvie et al., 2015; Kim and Kim, 2018), the deterioration of neural function originating from the saccule with ageing has been consistent across the studies (Colebatch et al., 2013; Zu Eulenburg et al., 2017). However, the different impact of ageing on the function of canal and saccule should be evaluated further.
Electrode montage and gaze effects on ocular vestibular evoked myogenic potentials (oVEMPs)
2016, Clinical NeurophysiologyCitation Excerpt :We propose therefore that the latency prolongation for the M-R1 montage using AC and BC impulses indicates that activation of the IR has become the dominant mechanism generating the oVEMP. We have previously provided evidence that the oVEMP to BC mastoid impulses is a manifestation of the tilt-evoked VOR (Colebatch et al., 2013) and depression of the eye is appropriate when the head is tilted as the eye would tend to be rotated upwards if depressed. This may also explain why the effect was less clear for the BC midline vibration – by stimulating both otoliths equally there would be no signal of head tilting.
Properties of 500 Hz air- and bone-conducted vestibular evoked myogenic potentials (VEMPs) in superior canal dehiscence
2016, Clinical NeurophysiologyVestibular-evoked myogenic potentials
2016, Handbook of Clinical NeurologyCitation Excerpt :Age effects have also been shown for oVEMPs evoked by BC stimulation, but appear to depend upon the type of stimulus. oVEMPs evoked by tendon hammer taps and low-frequency pulses delivered with a minishaker are relatively robust against age effects (Nguyen et al., 2010; Colebatch et al., 2013), while those evoked by sine waves and short-duration square waves appear to be more susceptible (Iwasaki et al., 2008; Chang et al., 2012). Effects of age have also been found on oVEMP latency (i.e., prolonged peak latency with increasing age: Rosengren et al., 2011; Chang et al., 2012), but not symmetry (Tseng et al., 2010; Piker et al., 2011).
Vestibular evoked myogenic potentials (VEMPs) in central neurological disorders
2016, Clinical NeurophysiologyCitation Excerpt :Recently, international guidelines were published concerning the clinical application as well as standardization of cVEMPs (Papathanasiou et al., 2014) in both research and clinical testing. In addition, we would like to advise the acquisition of data from a healthy age-matched control group, particularly as amplitudes in acoustically elicited VEMPs decrease at advanced ages (Colebatch et al., 2013; Papathanasiou et al., 2014; Rosengren et al., 2011). As was discussed in the previous sections, most studies have the same methodological and technical concerns: (a) the control group is sometimes not correctly matched for age to the patient group, (b) most case-series do not have a control group at all resulting in laboratory’s own reference values being used, (c) the VEMP amplitudes are often not standardized for force of contraction, nor corrected by the raw mean pre-stimulus EMG background signal, and (d) most studies consist of small sized case-series or case–control studies with a few exceptions (mostly concerning diagnostic studies in Multiple Sclerosis, vestibular schwannomas, and vertebrobasilar stroke).
Vestibular evoked myogenic potentials (VEMPs) evoked by air- and bone-conducted stimuli in vestibular neuritis
2015, Clinical NeurophysiologyCitation Excerpt :The responses to both modalities of 500 Hz stimuli decrease at a similar rate with age. BC impulses may as a consequence be more useful in older patients in whom the reflex responses are preserved (Colebatch et al., 2013). Despite more bilaterally absent responses, AC 500 Hz was still more sensitive than BC 500 Hz in demonstrating oVEMP abnormalities.