Deactivating multiple implant electrodes can worsen frequency information transmission

Evidence

Overall the results demonstrated significant improvements in speech understanding in quiet and noise for re-mapped participants, with no particular test exhibiting the greatest improvements. Cochlear users were less likely to benefit from electrode deactivation than users of the other devices. As speculated earlier it could be that the n-of-m strategies used in the Cochlear device may be less sensitive to channel overlap effects because not all channels are stimulated in each cycle. — Dijk, Pim van, Physiology, Psychoacoustics and…, 2051 (#qualifies, via linked claim)

Categorization

• XREF: connects to: Deactivating multiple cochlear implant electrodes can worsen spectral precision by broadening analysis bands; Electrode deactivation worsens spectral resolution despite unchanged stimulation rate; Few channels being classified as indiscriminable limits the scope of deactivation studies (+4 more)

Related

• Cochlear device users benefit less from electrode deactivation than AB and MEDEL users (similarity 0.92)
• Deactivating electrodes can shift frequency-to-electrode mapping and worsen perception (similarity 0.91)
• Only half of cochlear implant users benefit from electrode deactivation, and many worsen. (similarity 0.91)
• Electrode deactivation worsens spectral resolution despite unchanged stimulation rate (similarity 0.90)
• Deactivating indiscriminable implant electrodes fails to improve and even worsens perception (similarity 0.89)
• Deactivating multiple cochlear implant electrodes can worsen rather than improve hearing (similarity 0.89)
• Deactivating multiple electrodes can worsen rather than improve information precision. (similarity 0.89)
• Deactivating discriminable electrodes controls whether benefit comes from channel count or pitch quality (similarity 0.89)
• Deactivating an electrode shifts frequency-to-electrode allocation and can negate expected benefits. (similarity 0.88)
• Deactivating pitch-indiscriminable cochlear implant electrodes yields no speech benefit (similarity 0.87)
• Deactivating cochlear implant electrodes harms spectral ripple resolution but spares speech perception (similarity 0.87)
• N-of-m cochlear processing strategies resist benefit from electrode deactivation (similarity 0.87)
• Electrode deactivation reallocates frequencies and can harm rather than help (similarity 0.87)
• Cochlear implant electrode deactivation produces inconclusive and strategy-dependent results (similarity 0.87)
• Deactivating non-distinct cochlear implant electrodes fails to improve speech perception (similarity 0.87)

Broader Connections

• Deactivating electrodes can shift frequency-to-electrode mapping and worsen perception #expands (0.92)
• Electrode deactivation outcomes depend on stimulation rate and filter allocation differences #qualifies (0.85)
• Cochlear device users benefit less from electrode deactivation than AB and MEDEL users #qualifies (0.82) — Dijk, Pim van, Physiology, Psychoacoustics and…, 2051
• n-of-m processing strategies may make cochlear implants less sensitive to channel overlap #qualifies (0.80)