Huggins pitch and temporal-structure tasks share variance that ITD lateralization does not.

Evidence

The results showed that the SNHL listeners had reduced frequency selectivity, but intact temporal resolution ability, while the ANSD listeners had degraded temporal resolution ability, but intact frequency selectivity. In comparison with the SNHL listeners, the ANSD listeners had severely degraded ability to process the FS cues and thus their ability to perceive lexical tone mainly depended on the ability to use the E cues. These results suggested that, in comparison with the detrimental impact of the reduced frequency selectivity, the impaired temporal resolution may lead to more degraded FS processing in pitch perception. — Dijk, Pim van, Physiology, Psychoacoustics and…, 3377 (#complicates, via linked claim)

Füllgrabe et al. ( 2015 ) eliminated confounding effects of hearing loss by testing young (18–27 years) and older (60–79 years) subjects with matched audiograms. Both groups had audiometric thresholds ≤ 20 dB HL from 0.125 to 6 kHz. The TFS1 test was conducted using centre frequencies of 1 and 2 kHz. The older subjects performed significantly more poorly than the young subjects for both centre frequencies. Performance on the TFS1 task was not correlated with audiometric thresholds at the test frequencies. These results confirm that increased age is associated with a poorer ability to use monaural TFS cues, in the absence of any abnormality in the audiogram. — Dijk, Pim van, Physiology, Psychoacoustics and…, 793 (#expands, via linked claim)

Categorization

  • XREF: connects to: Impaired temporal resolution degrades fine-structure pitch processing more than reduced frequency selectivity does — Dijk, Pim van, Physiology, Psychoacoustics and…, 3377; Temporal-structure sensitivity declines with age even when audiograms remain normal. — Dijk, Pim van, Physiology, Psychoacoustics and…, 793

Broader Connections