Supporting Sensory Wellness in Older Adults

Feb 13, 2024
Fact Checked
Diverse sensory activities help the aging brain stay sharp.

Key Takeaways

As we get older, our senses—vision, hearing, smell, taste, touch—tend to decline. It may become harder to read fine print, hear loved ones talk, or get around the house. Our quality of life may suffer as a result. Sensory loss increases the risk of falls, depression, and loneliness. You can combat these risks by stimulating the brain regularly with sensory inputs.

Maybe you love smelling the vanilla and sampling the cookies when they come out of the oven. Maybe you like touching the feel of soft, cool soil while gardening. These are both examples of sensory-stimulating activities that ward off sensory decline. These activities can range from everyday hobbies like cooking and gardening to medical interventions, such as sensory integration therapy. 

Individual needs vary, making it hard to recommend sensory activities for all older adults. Researchers are still testing sensory activities across ages and health conditions. [4] Tulliani N, et al. The Effectiveness of Sensory Interventions Targeted at Improving Occupational Outcomes, Quality of Life, Well-Being and Behavioural and Psychological Symptoms for Older Adults Living with Dementia: A Systematic Review and Meta-Anal But sensory stimulation research shows promising benefits for specific groups, such as people with dementia and Alzheimer’s disease. [5] Baker R, et al. A Randomized Controlled Trial of the Effects of Multi-Sensory Stimulation (Mss) for People with Dementia. British Journal of Clinical Psychology. December 2010. Found on the internet at https://bpspsychub.onlinelibrary.wiley. [6] Yang H, et al. Benefits in Alzheimer’s Disease of Sensory and Multisensory Stimulation. Journal of Alzheimer’s Disease. 2021. Found on the internet at https://pubmed.ncbi.nlm.nih.gov/34057081/ Sensory stimulation can also help older adults reduce anxiety and depression, improve balance, and ease sensory loss.

In this guide, we’ll explore common signs and causes of sensory loss. We’ll also discuss how to protect and stimulate the senses to maintain a high quality of life while aging.

Aging and the sensory system 

It’s natural for the senses to decline with age. With time, we may struggle to see in low lighting, hear in crowded rooms, or feel differences in temperature, for example. Causes of sensory decline vary—gradual deterioration, genetic factors, and diseases are all contributing factors. 

Understanding sensory changes puts us in a better position to take care of ourselves as we age. We’ll outline common sensory changes so you know what to expect and how to adapt. First, we’ll touch on the brain’s capability to help us adapt.

Neuroplasticity 

Neuroplasticity is our brain’s ability to rewire as we learn and experience new things. With age, the brain loses some of this flexibility, often cementing niche expertise at the expense of learning new skills. When we don’t stimulate our brains and senses as much, this can speed up negative impacts of sensory loss. For example, if a grandparent has trouble hearing, they might avoid long conversations, which reduces brain stimulation. Cambridge researchers call this a “downward spiral of inactivity.”  [7] Fry P, et al. New Frontiers in Resilient Aging: Life-Strengths and Well-Being in Late Life. Cambridge University Press. 2010. Found on the internet at https://psycnet.apa.org/record/2010-21153-000

Older adults can combat this spiral—the key is keeping the brain busy so it’s primed to adapt. Sensory-rich activities, novel environments, physical activity, and cognitive challenges promote neuroplasticity in older adults. When we feed the brain new information and stimulate the senses in novel ways, this can result in new neural connections to support sensory functions.

For example, neuroplasticity can help heighten the remaining senses when one sense is lost. Using functional plasticity, the brain can reallocate resources and neural pathways from a lost sense to the remaining senses. In people with complete loss of sight, the visual cortex might be recruited to process information from other senses, like hearing or touch. Certain sensory activities can trigger these types of adaptive responses in the brain. [8] Merabet L, et al. Neural Reorganization Following Sensory Loss: The Opportunity of Change. Nature Reviews Neuroscience. January 2010. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3898172/

Multisensory stimulation—engaging multiple senses at once—can help older adults compensate for declining senses as they age, according to a study in the Neurobiology of Aging Journal. When older adults were exposed to both sight and sound cues at the same time, they responded as quickly as younger adults to visual cues alone.  [9] Laurienti P, et al. Enhanced Multisensory Integration in Older Adults. Neurobiology of Aging. August 2006. Found on the internet at https://www.sciencedirect.com/science/article/abs/pii/S0197458005001600

How our senses age 

Our senses of hearing, vision, touch, smell, and taste tend to decline over time. It’s also common for older adults’ sense of balance to decline, alongside proprioception, which is the ability to sense our body’s position and movement. 

Hearing

Nearly half of Americans over the age of 75 have hearing difficulties. [2] National Institute on Deafness and Other Communication Disorders. March 2021. Quick Statistics About Hearing. Found on the internet at https://www.nidcd.nih.gov/health/statistics/quick-statistics-hearing Older adults may notice these signs of hearing loss [10] National Institute on Aging. Hearing Loss: A Common Problem for Older Adults. Found on the internet at https://www.nia.nih.gov/health/hearing-and-hearing-loss/hearing-loss-common-problem-older-adults :

Hearing-loss causes vary for older adults. Age-related hearing loss (presbycusis) occurs gradually as the inner ear changes over time and can be hard to notice at first. Noise-induced hearing loss occurs over time, as loud noises degrade hair cells in the inner ear. This weakens the electrical signals that the brain interprets as sound. Prolonged exposure to loud noise also heightens the risk of tinnitus, often an initial sign of hearing decline. Other factors can also contribute to hearing loss, such as genetics, heart disease, high blood pressure, diabetes, ear infections, and certain medications. 

Explore the mental health implications of hearing loss.

Vision

Vision declines may start as soon as age 40. Note that older adults with impaired vision are twice as likely to develop conditions like dementia and Alzheimer’s. [11] American Academy of Ophthalmology. Eye Exams May Help Identify Seniors at Risk of Dementia. April 25, 2022. Found on the internet at https://www.aao.org/eye-health/news/elderly-aging-eye-exam-dementia-vision-alzheimer Watch for common vision changes as you age:

Touch

Touch sensitivity declines with age. Over time, our skin loses elasticity, and nervous system changes make it harder for our brain to process touch signals. As a result, we may process pressure, temperature, and pain differently. Conditions like arthritis and Parkinson’s Disease can also impact our sense of touch as we age.

These are common implications for touch sensory loss:  [14] Wickremaratchi M, et al. Effects of Ageing on Touch. Postgraduate Medical Journal. May 2006. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2563781/

Smell

Our ability to smell helps us sense potential danger, recall memories, maintain hygiene, and enjoy daily life. Temporary smell loss can result from stuffy noses, nasal polyps, and certain medications. It’s also natural for our sense of smell to fade over time as our olfactory function declines, particularly after 80 years old. Alongside decreased smell sensitivity, older adults may struggle to distinguish between smells. [15] Boyce J M and Shone G R. Effects of Aging on Smell and Taste. Postgraduate Medical Journal. April 2006. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2579627/  

A declining sense of smell may foreshadow health complications for older adults: [16] National Institute on Aging. Sense of Smell Linked to Speed of Brain Loss and Cognitive Decline. March 30, 2023. Found on the internet at https://www.nia.nih.gov/news/sense-smell-linked-speed-brain-loss-and-cognitive-decline

Taste

Our sense of taste helps us enjoy food and fuel our bodies with nutrients. Taste and smell are linked; this is because our brains interpret flavor using both the gustatory (taste) function and the olfactory (smell) function. It’s common for these senses to decline at the same time. Sometimes food loses its appeal for older adults experiencing taste and smell loss, putting them at risk for malnutrition and weakened immunity. 

Causes of taste loss vary and may include: [15] Boyce J M and Shone G R. Effects of Aging on Smell and Taste. Postgraduate Medical Journal. April 2006. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2579627/

Caring for your sensory wellness

Keep the conversation open with your doctor as you notice changes to your hearing, vision, smell, taste, touch, and balance. Your doctor may refer you to specialists who can prevent sensory loss or lessen its effects. While many causes of sensory decline are outside our control, some preventive actions can reduce the risk of sensory loss, like limiting smoking, alcohol use, and noise exposure.

Regular doctor appointments can also highlight sensory changes that predict other health complications. For instance, eye health and diabetes are linked, and impaired vision, hearing, and smell are all individually associated with a higher chance for dementia. Multisensory loss raises the risk of cognitive decline even more.  [17] Brenowitz W, et al. Incident Dementia and Faster Rates of Cognitive Decline Are Associated With Worse Multisensory Function Summary Scores. Alzheimer’s & Dementia Journal. October 2020. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articl

How to protect your hearing

You can take steps to minimize noise-related hearing loss and treat existing hearing loss:

See our list of accessible communication tools for older adults with hearing loss. 

How to protect your sense of taste and smell

These precautions can protect both taste and smell functions in older adults, alongside lowering the impacts of taste and smell loss:

How to protect your sense of touch

Protect your sense of touch with these precautions:

Sensory-stimulating activities for older adults

Sensory activities offer many benefits for older adults—improved mood, balance, and memory are just a few. Sensory activities also promote neuroplasticity in the aging brain, which can help compensate for declining senses. 

When choosing sensory activities, remember that newness helps your brain rewire and form connections. Try to choose a variety of activities. Some older adults benefit from medical sensory interventions like sensory integration therapy, but there are plenty of ways to stimulate the senses in daily life, such as cooking, art-making, journaling, going on walks, and balance exercises. 

As you review the sensory activities below, consider which practices can fit into your daily schedule. To help cement new habits, you might recruit a friend for weekly walks or join an aerobic exercise class.

Sensory integration therapy

Sensory integration is the way our senses work together to help us perceive and respond to the world. Sensory integration therapy commonly helps children and adults with conditions that disrupt sensory integration, like sensory processing disorder (SPD), or autism spectrum disorder (ASD). [26] Sensory Integration Education. What Is Sensory Integration? Found on the internet at https://www.sensoryintegrationeducation.com/pages/what-is-si

Sensory integration therapy is becoming more available to older adults as studies document its benefits for age-related sensory loss. For those with dementia, sensory integration therapy has yielded benefits such as improved mood and attentiveness. [5] Baker R, et al. A Randomized Controlled Trial of the Effects of Multi-Sensory Stimulation (Mss) for People with Dementia. British Journal of Clinical Psychology. December 2010. Found on the internet at https://bpspsychub.onlinelibrary.wiley. Studies have also shown benefits for those with Alzheimer’s disease, including improved neuroplasticity, memory, and cognition, (following sensory integrations such as aromatherapy, light therapy, and music therapy).  [6] Yang H, et al. Benefits in Alzheimer’s Disease of Sensory and Multisensory Stimulation. Journal of Alzheimer’s Disease. 2021. Found on the internet at https://pubmed.ncbi.nlm.nih.gov/34057081/

Ask your doctor if sensory integration therapy is right for you. They may refer you to an occupational therapist or physical therapist with training specific to sensory integration. A specialist will evaluate your needs and discuss goals such as improving balance, movement, or ease with daily tasks. From there, they will create a “sensory diet” treatment plan, which often stimulates the senses through repetitive activities.

Learn more or find a sensory integration therapy practitioner:

General sensory activities

The following activities stimulate the senses and help offset the negative effects of sensory loss for older adults:

Physical sensory activities

Staying physically active helps older adults improve mental health, delay disability, and maintain independent living. Active older adults also have an easier time with the tasks of daily living. For adults over the age of 65, the CDC recommends focusing on moderate to vigorous intensity fitness, muscle-strengthening exercises, and balance-improving activities. [29] Centers for Disease Control and Prevention. How Much Physical Activity Do Older Adults Need? April 13, 2023. Found on the internet at https://www.cdc.gov/physicalactivity/basics/older_adults/index.htm

Artistic sensory activities

Art-making offers plenty of sensory-rich experiences for older adults, including the visual stimulation of painting or the tactile satisfaction of pottery. The benefits extend beyond sensory stimulation—research connects art-making with improved memory, creativity, problem-solving, reaction time, and overall quality of life. Look into classes and groups at your local community center or senior center. Here are a few artistic sensory activities to consider [36] Noice T, et al. Participatory Arts for Older Adults: A Review of Benefits and Challenges. The Gerontologist. October 2014. Found on the internet at https://academic.oup.com/gerontologist/article/54/5/741/627657

Bottom line

Understanding the sensory changes of aging—declines to vision, hearing, smell, taste, touch, and balance—can help you prevent further sensory loss and lessen the negative effects. 

While sensory declines are often unavoidable as we age, limiting certain hazards like smoking, alcohol use, and loud noises may reduce further sensory loss. It’s also important to expose the brain to sensory-rich activities as we age. Regularly participating in sensory-stimulating activities like volunteering, gardening, and exercising can help improve well-being, reduce feelings of anxiety and depression, and enhance cognitive functions. 

Have questions about this review? Email us at reviewsteam@ncoa.org.

Sources

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