Caring for Dementia

What Dementia Actually Is

Dementia is an umbrella term for a group of conditions that cause progressive changes in the brain. These changes interfere with memory, reasoning, communication, behaviour, and the ability to carry out everyday tasks. Dementia is not a normal part of aging. It reflects underlying damage to specific brain regions and the networks that connect them.

The most common cause is Alzheimer’s disease, followed by vascular dementia, Lewy body dementia, frontotemporal dementia, and mixed dementia. Each type affects different neural systems, which is why symptoms vary so widely between individuals.

Families often describe dementia as “a slow unraveling of abilities,” but clinically, it’s more accurate to say that dementia disrupts how the brain processes, stores, retrieves, and interprets information. Understanding which parts of the brain are affected helps families make sense of the changes they see.

How Dementia Affects the Brain

The brain is organized into regions, each responsible for specific functions. Dementia doesn’t damage the entire brain evenly. It targets certain structures first, then spreads through connected networks.

Hippocampus (Memory Formation)

The hippocampus is one of the earliest regions affected in Alzheimer’s disease. It’s responsible for forming new memories and organizing information. When this area deteriorates, short‑term memory becomes unreliable. The person may repeat questions, forget recent conversations, or misplace items without being able to retrace their steps.

Temporal Lobes (Language and Understanding)

The temporal lobes help with word retrieval, comprehension, and recognizing sounds. Damage here leads to difficulty finding words, following conversations, or understanding complex instructions. In some types of dementia, especially frontotemporal dementia, language changes are one of the earliest signs.

Frontal Lobes (Judgment, Planning, Behaviour)

The frontal lobes manage decision‑making, impulse control, social behaviour, and problem‑solving. When these areas are affected, families may notice personality changes, poor judgment, reduced insight, or difficulty planning even simple tasks. This is especially prominent in frontotemporal dementia.

Parietal Lobes (Spatial Awareness and Navigation)

The parietal lobes help the brain understand space, distance, and orientation. Damage here can cause difficulty recognizing familiar places, navigating rooms, or judging where objects are. This contributes to wandering, getting lost, or misinterpreting the environment.

Occipital Lobes (Visual Processing)

In Lewy body dementia, the occipital lobes and related visual pathways are affected early. This leads to visual misinterpretations or hallucinations, often involving people, animals, or shadows.

Limbic System (Emotion and Comfort)

The limbic system regulates fear, comfort, attachment, and emotional memory. Even when factual memory declines, emotional memory remains strong. This is why tone of voice, facial expressions, and familiar routines continue to matter deeply.

Understanding these regions helps families see dementia not as “random behaviour,” but as predictable changes linked to specific neural systems.

Early Signs Families Commonly Notice

Early symptoms often appear gradually. Families may notice:

• Repeating questions or stories
• Difficulty managing finances or medications
• Word‑finding problems
• Getting lost in familiar places
• Misplacing items and being unable to retrace steps
• Reduced judgment or decision‑making
• Withdrawal from social activities
• Subtle personality changes

These signs reflect early damage to the hippocampus, temporal lobes, and frontal networks.

The Stages of Dementia

Dementia progresses over time. The rate varies, but the general pattern is consistent. I prefer to keep it simple with 3 stages, early > mostly independent, middle > needs more help, Late > needs total help. The different stages numbered from 1-7 can become overwhelming as you’re attempting to match characteristics with elements of a tool or an assessment, dementia doesn’t always work that way.

Early Stage

Memory lapses, mild confusion, and difficulty with complex tasks appear. The person may still live independently but needs support with organization, reminders, and planning.

Middle Stage

This is the longest stage. Damage spreads to multiple lobes, affecting language, reasoning, spatial awareness, and behaviour. Daily tasks like bathing, cooking, and managing medications require assistance. Communication becomes more emotional than factual.

Late Stage

Most cognitive abilities decline significantly. Speech may be limited, mobility may decrease, and swallowing can become difficult. Emotional responsiveness remains, even when verbal communication fades.

Communication Changes and How to Adapt

Dementia affects language networks, but emotional processing remains intact. Families can improve communication by adjusting how information is delivered.

• Use short, clear sentences
• Give one instruction at a time
• Approach from the front
• Keep tone calm and warm
• Offer choices instead of commands
• Validate feelings before redirecting
• Avoid arguing or correcting
• Use familiar routines and cues

Read our blog on Communication Tips for working with people who have dementia.

Daily Care: Practical Tips and resources

Bathing

Break tasks into small steps. Warm the room. Explain each action before doing it. Offer choices to maintain autonomy. Provide opportunities for independent washing, especially for sensitive or vulnerable areas. To learn more about bathing someone with dementia, read our blog: Bathing for Dementia: 11 insightful tips.

Eating

Simplify meals. Reduce distractions. Offer finger foods if utensils become confusing. Sweet foods are often preferred, use sauces like honey garlic and teriyaki to disguise healthy foods they may not typically like. To learn more about mealtime refusals read our blog Mealtime Refusals: Barriers not Behaviour.

Medications

Use organizers, blister packs, alarms, or caregiver oversight. Cognitive decline and memory issues can make medication management unsafe without support. Consult a physician if you require assistance with medication management.

Sleep

Try to maintain consistent routines. Encourage stimulation through-out the day as well as attempting to reduce naps in the day. Stimulation should be both physical and cognitive, as intellectual activities can cause fatigue in a person with dementia.

Safety

Install night lights. Remove clutter and furniture that clutters areas. Secure medications in locked areas, and secure large furniture to the walls. Consider door alarms, bells, and locks if wandering is a concern.

Falls: Dementia and Falls: what you need to know

Anti-psychotics and chemical restraints: Improper use of chemical restraints and why it matters

Physical and verbal aggression: Recognizing and Responding to agitation and aggression in dementia.

Activities

Focus on familiar, low‑demand tasks: folding towels, sorting items, listening to music, walking, or looking through photos. These activities rely on preserved memory systems. Also recognize past and present hobbies, some past hobbies may require significant modifications and assistance to complete.

Late stage activities: 7 Activities for Late Stage Dementia

Emotional Impact on Families

Dementia affects everyone involved. Caregivers often experience grief, frustration, guilt, and exhaustion. These feelings are normal. The reality is that caring for someone with dementia is demanding, and support systems matter. It’s not uncommon for family to drift away from the person with dementia and the people caring for them.

Families benefit from:

• Respite services
• Support groups
• Education programs
• Clear communication with healthcare providers
• Predictable routines

Caregivers need care too.

Read our blog: Surviving to Thriving: 20 coping strategies.

What Families Can Expect Over Time

Dementia progresses differently for each person, but families can expect:

• Increasing reliance on routines
• More emotional communication than verbal
• Greater need for supervision
• Shifts in personality or behaviour
• Moments of clarity mixed with confusion
• Strong emotional memory even when factual memory fades

Even as abilities change, connection remains possible. People with dementia continue to respond to kindness, music, familiar voices, gentle touch, and emotional reassurance and individualized approaches.

The Heart of it all

Dementia changes how the brain works, but it doesn’t erase the person. Their abilities shift, but their need for comfort, dignity, and connection remains and that’s relevant each time they express their emotions. Families don’t need to be perfect, they just need to be present, patient, understanding and willing to adapt.

Understanding the brain changes behind dementia gives families a better understanding of the basic foundation knowledge, this can help provide better support and assistance to loved ones with confidence and compassion.