The guide / Part 20
Hearing loss and memory: the link and what to do about it
Contents
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In our reading, a name you never heard clearly cannot be remembered, so hearing loss can look like forgetfulness. Observational studies link hearing loss to higher dementia risk, but the ACHIEVE trial of hearing aids in adults aged 70 to 84 found no difference in its primary three-year result. A clinician can judge your case.
You ask someone to repeat a name, nod along, and an hour later it is gone. Before assuming the problem is memory, it is fair to ask whether the word ever arrived. This guide covers what researchers have found about hearing and memory, and where the evidence stops.
Can poor hearing feel like forgetting?
In our reading, yes, and the reason is simple. A memory can only be stored if the information got in. If you did not catch a name, there is nothing to recall later.
We found no study that measured this exact everyday effect, so treat it as our reasoning, not a finding. The NHS lists related signs: misunderstanding what people say, especially in noisy places, and tiredness from the effort of concentrating on conversations.
If names are your main snag, see why you cannot remember names after 50. Hearing is one possible piece. It is not the only one.
What do observational studies show about hearing loss and dementia?
The Lin et al. study (Archives of Neurology, 2011) followed 639 participants and reported that the risk of dementia rose with the severity of baseline hearing loss. The authors said it was unclear whether hearing loss is an early marker or a modifiable risk factor.
That caution matters. An observational study can show two things go together. It cannot show that one causes the other.
A 2020 review in Neuron (Griffiths et al.) discussed how hearing loss might contribute to dementia. Mechanisms it considered include an impoverished listening environment depleting cognitive reserve, difficult listening occupying cognitive resources, and common pathology in auditory pathways. These are proposed explanations, not settled ones.
We could not open the Lancet Commission dementia reports, so we do not quote their figures here.
What did the ACHIEVE trial test, and what did it find?
ACHIEVE (Lin et al., The Lancet, 2023) is a large randomised trial of the question. It was a multicentre, unmasked trial at four US community sites. It enrolled adults aged 70 to 84 with untreated hearing loss and without substantial cognitive impairment.
Of 977 people randomised, 490 received a hearing intervention (audiological counselling and hearing aids) and 487 received a health education control. The primary endpoint was three-year change in a global cognition score.
The two populations were people from a long-running cardiovascular study (ARIC, 238 people) and healthy community volunteers (739 people). The ARIC group was older, had more risk factors for cognitive decline and lower baseline scores.
The authors suggested a hearing intervention might reduce cognitive change over three years in people at increased risk of decline, but not in people at decreased risk. That is a hypothesis from a subgroup comparison, not a confirmed result.
In 164 participants from the ARIC subgroup (the higher-risk group; mean age 78.1), a secondary analysis (Pike et al., EClinicalMedicine, 2026) found a slower three-year rise in one blood biomarker, GFAP, in the intervention group, with a smaller, non-significant difference for another, NfL. These are blood markers, not memory tests.
In our reading, the fair summary is that the trial did not show hearing aids slowed cognitive decline overall in this group, and that the question is not closed.
What are the signs of hearing loss?
The NHS lists these among common signs:
- Difficulty hearing other people clearly and misunderstanding what they say, especially in noisy places.
- Needing to ask people to repeat themselves.
- Watching TV at a higher volume than others need.
- Difficulty hearing on the phone.
- Tiredness from concentrating during conversations.
The NHS says sudden hearing loss in one or both ears needs urgent attention. It advises an emergency appointment or NHS 111 in the UK. In the US, we would suggest contacting a clinician the same day; a doctor can tell you what is right for you.
How do you ask for a hearing test?
The NHS advises seeing a GP if you think your hearing is gradually getting worse. It says the GP may refer you to a hearing specialist for further tests if the cause is not something they can treat directly.
In the US the equivalent first step is your primary care doctor, who can refer you to an audiologist. The NHS also notes that some pharmacies and opticians in the UK offer a free hearing test, and points to the RNID online check. We did not verify a US equivalent.
Before the visit, you could note:
- When you struggle most, for example restaurants or group calls.
- Whether it is one ear or both.
- Any ringing, dizziness or recent ear infection.
- Whether memory trouble came along with the hearing change.
For a wider list of things to raise, see questions to ask your doctor about memory.
Are hearing aids a way to prevent memory loss?
No source we read promises that. The NHS says hearing aids will not make your hearing perfect, but they make sounds louder and clearer. That is about hearing, not memory protection.
In ACHIEVE the primary result did not show reduced cognitive decline overall. Better hearing may still make conversation easier, but we found no source in our reading that guarantees any effect on dementia risk.
We do not recommend any brand or device. Your audiologist can discuss options. If memory changes worry you, see normal aging vs. early dementia, and a clinician can assess your case.
This article is general information, not medical advice. If your hearing or your memory has changed, please talk to a doctor.
Hearing loss and memory, answered
Can hearing loss make me seem forgetful?
In our reading, yes: a word you did not hear clearly is hard to recall later. We found no study measuring this everyday effect, so it is our reasoning. Common, but we cannot judge your case; a clinician can.
Does hearing loss cause dementia?
Observational studies, such as Lin et al. (2011, 639 participants), link greater hearing loss to higher dementia risk. Those studies cannot show cause, and the authors said it was unclear whether hearing loss is a marker or a modifiable risk factor.
Did hearing aids slow memory decline in the ACHIEVE trial?
Not in the primary analysis. In adults aged 70 to 84 with untreated hearing loss, three-year cognitive change did not differ between the hearing intervention and health education groups. A prespecified analysis found the effect differed between two study populations, which the authors framed as a possibility to test further.
What are the first signs of hearing loss?
The NHS lists difficulty following speech, especially in noisy places, asking people to repeat themselves, turning the TV up louder than others need, and tiredness from concentrating in conversations.
Who should I ask about a hearing test?
Start with your primary care doctor, who can refer you to an audiologist. The NHS says a GP may refer you to a hearing specialist. Sudden hearing loss in one or both ears needs urgent medical attention.