13/04/2026
7 STAGES OF DEMENTIA EXPLAINED
Key stages of Dementia in the 7-stage model are:
Stage 1 - no impairment: normal function, no memory loss.
Stage 2 - very mild decline: normal forgetfulness (senior moments!
Stage 3 - mild decline: increased forgetfulness, planning or organising difficulties.
Stage 4 - moderate decline (mild/early Dementia): impaired ability to do complex tasks, forgetfulness of recent events. Gently and fully explained in the link below.
Stage 5 - moderately severe decline (moderate / mid-stage Dementia): major memory gaps, requires assistance with daily activities.
Stage 6 - severe decline (moderately severe / mid-stage Dementia): personality change, difficulty recognising faces, loss of bladder / bowel control, requires high assistance.
Stage 7 - very severe decline (severe / late-stage Dementia): loss of speech and movement, complete dependence on care.
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Timbali Care delivers person-centred care for Mataffin Macadamia Village residents living independently in our Senior Lifestyle homes, the Assisted Living section or in the Care Centre itself.
Stage 4 dementia (moderate cognitive decline) is often the point where dementia becomes clear enough for a formal diagnosis. This is when changes are no longer subtle or occasional and begin to affect everyday life.
For Penny, this was the stage where things could no longer be explained away as “just ageing.”
Her short-term memory had become unreliable. She would forget recent conversations, appointments, or things that had just happened earlier in the day.
Tasks that once felt routine started becoming difficult and she began struggling with managing her finances, paying bills, and organising paperwork. Planning meals or following a sequence of tasks became overwhelming.
Mental tasks also became harder. Something as simple as doing calculations or keeping track of numbers was now confusing.
Confusion about time sometimes crept in too. Penny might forget the date or lose track of what she had planned for the day.
Social changes also appeared. Penny occasionally withdrew from conversations because following discussions had become more difficult. Sometimes she struggled to find the right word, which made speaking feel frustrating.
Her mood began to change as well. Like many people at this stage, Penny sometimes felt anxious or irritable. At other times she seemed quieter and less confident than before.
Sleep patterns can also start to shift during this stage. Some people begin sleeping more during the day or experience disrupted sleep at night.
Despite these changes, Penny could still manage many basic tasks. She could dress herself, eat independently, and hold conversations. But now needed prompting and reassurance.
And she needed support with more complex responsibilities.
For caregivers, this stage can be challenging. A person may appear more withdrawn, frustrated, or overwhelmed in busy environments, and they may increasingly rely on others for guidance with daily responsibilities.
Stage 4 typically lasts around two years, although progression varies from person to person.
For Penny and her family, this was the stage where support planning became essential because her brain was changing and the environment around her now needed to adapt.
Tomorrow, we’ll look at what happens when dementia moves into the middle stages when independence starts slipping more noticeably.
Be kind.
