Physiological and temporal-precision pairing measures agree while pitch matching does not

Evidence

The matched electrodes are R4.4 (pitch comparison), R6-R8 (best IPTD performance), and R6 (largest BIC amplitude). In contrast to the common assumption that pitch-matched pairs maximize sensitivity to binaural cues, for this subject the pairs with best IPTD sensitivity are 1.6–3.6 electrodes away from (interpolated) electrode identical pitch perception. — Dijk, Pim van, Physiology, Psychoacoustics and…, 1469 (#expands, via linked claim)

Categorization

• XREF: connects to: Acoustic-tone and direct-pulse pitch ranking correlate strongly — Dijk, Pim van, Physiology, Psychoacoustics and…, 2099; CI acclimatization can make pitch-matching data misleadingly accurate; Binaural cue methods agree on electrode mismatch while pitch matching does not (+1 more)

Related

• Pitch-matched electrode pairs do not maximize binaural time-difference sensitivity (similarity 0.91)
• Binaural cue methods agree on electrode mismatch while pitch matching does not (similarity 0.90)
• Physiological and behavioral binaural measures agree with each other but not with pitch matching. (similarity 0.89)
• Pitch-matching and binaural-cue methods yield uncorrelated electrode pairings in implant patients (similarity 0.86)
• BIC-based electrode pairing is validated against psychoacoustic pitch and timing measures (similarity 0.86)
• BIC amplitude does not correlate with interaural pitch comparison outcomes. (similarity 0.85)
• Acoustic-tone and direct-pulse pitch ranking correlate strongly (similarity 0.84)
• Pitch-based electrode matching in cochlear implants is confounded by acclimatization and brain plasticity (similarity 0.83)
• Interaural time difference thresholds stay flat until 3–6 mm of electrode mismatch (similarity 0.83)
• Perceptual pitch ranking and direct electrical stimulation yield concordant electrode discrimination (similarity 0.82)
• Brain plasticity can make pitch-matching data misleadingly good in CI users (similarity 0.82)
• Binaural interaction components show statistically significant electrode tuning in humans (similarity 0.82)
• Three electrode-pairing methods give inconsistent results across individual implant users (similarity 0.81)
• Bilateral CI experience may sharpen pitch tuning via acclimatization or plasticity. (similarity 0.80)
• Binaural brainstem responses are disrupted by large electrode place mismatches (similarity 0.80)

Broader Connections

• Binaural cue methods agree on electrode mismatch while pitch matching does not #corroborates (0.95)
• Pitch-matched electrode pairs do not maximize binaural time-difference sensitivity #expands (0.90) — Dijk, Pim van, Physiology, Psychoacoustics and…, 1469