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Sensorineural loss impairs frequency resolution while auditory neuropathy impairs temporal resolution

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tagsja-picks, factual_claims, singleton, xref, category/factual-claims

3 min read

Sensorineural loss impairs frequency resolution while auditory neuropathy impairs temporal resolution

Evidence

Since no significant differences were found between the Q10 dB values at 500 and 1000 Hz, the Q10 dB values averaged across the two test frequencies are plotted in Fig. 2 . Statistically significant differences of the Q10 dB values were found between the subjects with NH and those with SNHL and between the subjects with ANSD and those with SNHL, while no statistically significant differences were present between the subjects with NH and those with ANSD. This indicates that a majority of the subjects with ANSD showed close-to-normal frequency resolution, whereas the SNHL subjects had poor frequency resolution in the present study. — Dijk, Pim van, Physiology, Psychoacoustics and…, 3380 (#corroborates, via linked claim)

Studies have shown that listeners with SNHL may have reduced frequency resolution (Kluk and Moore 2006 ), but probably normal temporal resolution (Glasberg et al. 1987 ). In contrast, listeners with ANSD may have a dramatically impaired ability for processing temporal information (Narne 2013 ), while their frequency selectivity may be close to normal (Vinay and Moore 2007 ). To clarify whether it is the deficit in temporal resolution or frequency resolution that may lead to more detrimental effects on FS processing in lexical tone perception, we also measured the frequency resolution using the mean Q10 dB values of the psychophysical tuning curves (PTCs), and the temporal resolution using the temporal gap detection (TGD) threshold for the SNHL and ANSD subjects. — Dijk, Pim van, Physiology, Psychoacoustics and…, 3380 (#corroborates, via linked claim)

Categorization

  • XREF: connects to: Auditory neuropathy subjects preserved normal cochlear frequency resolution despite temporal deficits — Dijk, Pim van, Physiology, Psychoacoustics and…, 3380; Auditory neuropathy presents with milder hearing loss than sensorineural loss yet worse temporal processing; Sensorineural and auditory neuropathy hearing losses impair opposite spectral and temporal abilities — Dijk, Pim van, Physiology, Psychoacoustics and…, 3380 (+11 more)

Broader Connections

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