| Reduced function in overall hearing | | | | |
| Difficulty understanding language with background or scatter noise | | | | |
| Ringing or buzzing in the ear | | | | |
| Difficulty comprehending language without perfect pronunciation | | | | |
| Difficulty recognizing familiar faces | | | | |
| Changes in comprehending the meaning of sentences, written or spoken | | | | |
| Difficulty with verbal memory and finding words | | | | |
| Difficulty remembering events | | | | |
| Difficulty recalling previously learned facts and names | | | | |
| Inability to comprehend familiar words when read | | | | |
| Difficulty spelling familiar words | | | | |
| Monotone, unemotional speech | | | | |
| Difficulty understanding the emotions of others when they speak (nonverbal cues) | | | | |
| Disinterest in music and a lack of appreciation for melodies | | | | |
| Difficulty with long-term memory | | | | |
| Memory impairment when doing the basic activities of daily living | | | | |
| Difficulty with directions and visual memory | | | | |
| Noticeable differences in energy levels throughout the day | | | | |