Why Is It Generally Harder for Individuals Older Than 70

Multiple Choice

Why is it generally harder for individuals older than 70 to understand audible speech?

A) Hearing loss, which is nearly universal in this age group, explains the major difficulties.
B) There are so many redundant cues in speech that it confuses older listeners.
C) Since their own muscles are slowed down, they stop understanding visual cues to lip-read.
D) The processing of temporal auditory information can be impaired in older adults even when frequencies are reliably heard at low volumes.