ACC	Auditory change complex (evoked potential to a spectral change)
AN	Auditory nerve
ASSR	Auditory steady state response (spectral component in the EEG)
eASSR	Electrically evoked ASSR
BB	Broadband sound
CI	Cochlear Implant
CI-CI	Bilateral CI (left ear, right ear)
CI-HA	Bimodal listening (CI in one ear, hearing aid in right ear)
CNS	Central nervous system
CT	Computer tomography
dB	decibel (SPL: sound-pressure level; dBA: ambient-weighted)
eCAP	electrically-evoked compound action potential (to assess neural health)
EL-AN	Electrode to auditory nerve (signal transfer)
ECI	Electrode cross impedance
ECochG	Electro-Cochleo-Graphy (to assess residual hearing)
EEG	Electro-encephalogram
FAT	Frequency-allocation table (the CI-electrode – sound spectrum mapping)
HA	Hearing aid
HA-HA	Bilateral listening (HA in both ears)
HL	Hearing loss
HP	High-pass filtered sound
IFD	Interaural frequency difference
ITD	Interaural time difference
ILD	Interaural level difference
LATER	Linear approach to threshold with ergodic rate (reaction-time model)
LP	Low-pass filtered sound.
ML	Machine learning
MRI	Magnetic resonance imaging
MTF	Modulation transfer function
NH	Normal hearing
P	Promptness (inverse of reaction time, in s−1)
RT	Reaction time button-press timing for detecting a stimulus onset, in sec
RT-eACC	Rection time to an electrically induced ACC
SEO	Spread of excitation of the auditory nerve to single-electrode stimulation.
SRT	Speech Reception Threshold
SRTN	SRT in noise
SRTQ	SRT in quiet
ST	Spectrotemporal (as in auditory ST sensitivity, or in moving ST ripple stimuli)
WHO	World Health Organization