Understanding dementia more deeply

This course builds on the basics of dementia awareness and goes a step further — helping you support someone living with dementia with more skill, understanding, and confidence. We begin by deepening your understanding of what dementia actually is.

**Dementia is not one single illness.** It's an umbrella term for a group of symptoms caused by different diseases that affect the brain. According to the NHS (National Health Service) and the Alzheimer's Society, the most common types include:

- **Alzheimer's disease** — the most common, usually starting with memory problems.

- **Vascular dementia** — caused by problems with blood supply to the brain, sometimes after strokes.

- **Dementia with Lewy bodies** — which can involve changes in alertness, movement, and seeing things that aren't there.

- **Frontotemporal dementia** — which often affects personality, behaviour, and language earlier than memory.

A person can also have more than one type at once. Knowing there are different kinds helps you understand why two people with "dementia" can be so different.

**It affects more than memory.** While memory problems are common, dementia can also affect thinking, language, judgement, mood, perception, and the ability to carry out everyday tasks. It can change how a person experiences the world around them.

**It usually changes over time.** Dementia is generally progressive, meaning symptoms tend to increase gradually. People sometimes describe early, middle, and later stages — but everyone's journey is different, and abilities can vary from day to day, or even hour to hour. Someone may manage well in the morning and struggle by evening.

**The person is still there.** This is the most important thing to hold onto. Behind the symptoms is a whole person, with a life story, feelings, relationships, and dignity. They may lose some abilities, but they don't lose their need for kindness, respect, and connection — if anything, those matter more.

**Your role.** You support, comfort, and enable — noticing changes, helping the person live as well as possible, and reporting concerns to the right people. You don't diagnose dementia, decide on treatment, or assess the stage someone is at; those are for qualified professionals. Your expertise is in knowing the person and caring for them well, day to day. The rest of this course builds exactly that.