Across
- 2. output of filter banks; each channel can be made to correspond to a single electrode
- 4. stimulation mode with 1 active electrode and 1 return electrode (ground electrode)
- 6. this device is best for a precipitously sloping loss
- 7. 1936 theorized the cochlea was the site of stimulation
- 13. Cochlear's auditory nerve response system
- 14. this is what the AB CIs used to be made of before titanium
- 16. 1965-1970 single electrode cochlear implant
- 18. in late 1970s developed multi-channel cochlear implant (Cochlear Nucleus Freedom)
- 20. 1950 stimulated auditory nerve during neurosurgical operation using sinusoidal current
- 21. threshold level; least amt of stimulation that can be detected
- 22. 1957 placed wire directly in auditory nerve
- 24. sound processor designed for first generation CIs for ppl with AB devices that weren't backwards compatible
- 25. 1930 electrical response recorded near auditory nerve of a cat similar to human ear
- 27. stimulating electrodes at different regions along length of cochlea produces differernt ___ perceptions
- 28. single channel creates what coding?
- 29. speech scores that show lack of auditory progress, 30% or less on word tests
- 30. ___ channel services resulted in very poor speech understanding especially in open set
- 32. minimum age of implantation
- 37. minimum degree of HL for adults and children older than 2
- 38. MED-El's auditory nerve response system
- 43. decodes signal
- 45. this MedEL CI was modular
- 46. first multi-channel CI patient (1978)
- 47. holds external coil against head so external & internal coils align
- 48. this company created the world's first body-worn processor in 1980
- 49. HA manufacturer that works with AB
- 50. world's first dedicated children's CI processor
- 51. processed information sent down cable to headpiece; contains radio frequency (RF) transmitting coil & magnet
Down
- 1. contains tonotopically arranged electrode contacts which provide point of current injection
- 3. receives signal from external transmitting coil
- 4. individual's specific listening program
- 5. multi-channel creates what coding?
- 8. early 1800s first to stimulate auditory system electrically
- 9. in newer devices; used for monopolar stimulation and recording
- 10. 1855 used alternating current
- 11. disposable or rechargable; some processors have off-the-ear options to reduce size & weight of portion on pinna
- 12. stimulation mode with 2 adjacent electrodes paired as active and return
- 13. first removal magnet with Cochlear; allows for telemetry
- 15. captures sound and converts it to electrical signal
- 17. breaks down incoming signal into different band-pass filters; compresses signal into recipient's dynamic range
- 19. AB CI from 2018 approved for 1.5 Tesla MRI
- 23. contains lead wires that carry current from external electronics package to individual electrode contacts
- 26. 1966 inserted electrode array into cochlea closer to modiolus; pt able to determine signal duration length and tonality
- 31. med el invented the world's first ___ channel processsor
- 33. multi-channel devices introduced commercially when?
- 34. AB's auditory nerve response system
- 35. speech scores that need to be 50% on sentences in ear to be implanted, with 60% or less in best aided condition
- 36. first multi-channel mini speech processor by Cochlear
- 39. 1964 inserted electrode array (4 electrodes) into cochlea of dead patient; pt able to repeat phrase
- 40. minimum degree of HL for children less than 2
- 41. who started advanced bionics in 1993?
- 42. early 1970s inserted electrode array through scala tympani driven by implantable receiver stimulators
- 44. mcl at upper stimulation level