Sensory Loss in Dementia Patients: Understanding the Impact

By Sensory Integration Education, 15 May 2023

3 ladies sat talking. Sensory Loss in Dementia Patients: Understanding the Impact


Living with dementia poses numerous challenges, and one aspect that often goes unnoticed is the impact of sensory loss. While the effect of hearing and sight loss on individuals with dementia has received significant attention, the loss of taste and smell is another crucial aspect that profoundly affects their daily experiences. In this blog post, we will delve into the subject, exploring the challenges faced by dementia patients with sensory loss and providing insights into how we can support them effectively.

 

Understanding Sensory Loss in Dementia Patients

Sensory loss is the diminished or complete loss of senses, such as hearing, sight and taste. In dementia patients, this loss can heighten their cognitive decline and significantly impact their quality of life. According to the Social Care Institute for Excellence (SCIE), sensory impairments affect approximately 70% of older adults with dementia (SCIE). Research has shown a strong link between dementia and sensory loss. A study published in the Journal of Alzheimer's Disease found that individuals with dementia are more likely to experience hearing and visual impairments than cognitively healthy individuals (PubMed). The study suggests that sensory loss could be both a consequence and a potential contributing factor to the progression of dementia.

 

The Impact of Hearing Loss on Dementia Patients

Hearing loss can isolate individuals with dementia, hindering their ability to engage in conversations and participate in social interactions. As communication becomes challenging, they may experience frustration, withdrawal, and feelings of loneliness. It also affects their recognition of familiar sounds, such as doorbells or ringing telephones. This can lead to confusion, disorientation, and safety concerns. Caregivers and loved ones must be vigilant to ensure a safe and supportive environment.

 

The Impact of Visual Impairments and Cognitive Function

Sight loss in dementia patients worsens the cognitive difficulties they already experience. It impacts their ability to understand their surroundings, recognise objects, and perceive visual information. Simple tasks like reading or moving around become challenging for them. Visual impairments disrupt their daily routines and put their safety at risk. Difficulties in identifying objects, judging distances, or recognising potential dangers can lead to accidents and falls.

 

The Impact of Loss of Taste and Smell in Dementia Patients

While hearing and sight loss often take the spotlight when discussing sensory challenges in dementia, the loss of taste and smell is another significant aspect that warrants attention. Dementias, including Alzheimer's, can gradually affect an individual's ability to taste and smell, further complicating their relationship with food and daily experiences.

 According to Anthem Memory Care, individuals with dementia may experience a diminished ability to identify flavours and detect odours, making it challenging to enjoy meals and engage fully in eating experiences (Anthem Memory Care). This can have far-reaching consequences, including unhealthy weight loss and malnutrition and a decline in overall health.

 

How Do We Support Those with Dementia Experiencing Sensory Loss?

When supporting individuals with dementia and sensory loss, it is crucial to explore coping strategies and provide appropriate support. Here are some strategies to consider:

  1. Approach them with empathy and understanding: Offer patience and encouragement. Emotional support plays a vital role in creating a positive and relaxed atmosphere.  
  2. Make environmental adjustments: Ensuring good lighting & minimising background noise.
  3. Adapt meals as you go: Add herbs, spices, and flavourful ingredients to meals to compensate for the diminished taste and smell sensations. Or modify the texture of foods; for example, pureeing or softening foods may make them easier to consume and enhance the overall eating experience.
  4. Provide visual cues and aids: Use large-print labels or contrasting colours, which can enhance their ability to function independently.
  5. Consulting healthcare professionals: Such as audiologists or ophthalmologists can provide valuable insights into managing sensory loss in dementia patients. They can offer specialised assessments, recommend assistive devices, and provide guidance on implementing effective interventions.

Sensory loss in dementia patients adds an additional layer of challenges to their already complex journey. Understanding the profound impact of these sensory impairments is crucial for providing appropriate support and enhancing their quality of life. As our understanding of dementia and its impact on sensory function continues to grow, it becomes increasingly important to advocate for increased awareness and support for individuals with sensory loss. By promoting inclusivity and adopting person-centered approaches, we can ensure that individuals with dementia and sensory impairments receive the understanding and assistance they deserve.


References:

Anthem Memory Care. Coping with Dementia and Sensory Challenges: Smell and Taste. Retrieved from: https://www.anthemmemorycare.com/blog/coping-with-dementia-and-sensory-challenges-smell-and-taste#:~:text=Dementias%2C%20such%20as%20Alzheimer's%2C%20can,unhealthy%20weight%20loss%20and%20malnutrition.
Social Care Institute for Excellence (SCIE). Sensory loss and dementia. Retrieved from: https://www.scie.org.uk/dementia/living-with-dementia/sensory-loss/introduction.asp
Livingston G, Sommerlad A, Orgeta V, et al. Dementia prevention, intervention, and care. The Lancet. 2017;390(10113):2673-2734. doi:10.1016/S0140-6736(17)31363-6
Livingston G, Huntley J, Sommerlad A, et al. Dementia prevention, intervention, and care: 2020 report of the Lancet Commission. The Lancet. 2020;396(10248):413-446. doi:10.1016/S0140-6736(20)30367-6