“…Other previous studies have reported that the benefit of speech perception seems to be a predictor of gains in QoL (24)(25)(26) . The high overall score obtained in this study for the subdomains basic and advanced sound perception, which belong to the physical domain, has also been described in the specific scientific literature (10,14,24,27,28) . Possibly, these subdomains reflect more punctually the direct benefits of CI use, in the sense of providing better and greater access to speech sounds and, with this, reducing the impact of hearing impairment on communication situations.…”