Assessment

What happens during a dementia assessment?

The examinations that support an early evaluation

Information updated: 5 September 2026

What happens during a dementia assessment?
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When memory problems appear, a structured assessment can help distinguish normal variation from conditions requiring medical attention.

When should assessment be considered?

Repeated memory, orientation, language or everyday-functioning changes deserve medical attention, although forgetfulness alone does not establish dementia.

Key points

  1. When should assessment be considered?

    Repeated memory, orientation, language or everyday-functioning changes deserve medical attention, although forgetfulness alone does not establish dementia.

  2. The initial consultation

    The clinician discusses current changes, their development, medical history, medication and their effect on independence and daily life.

  3. Memory and concentration tests

    Standardised cognitive tasks can examine memory, attention, language and planning; results are interpreted alongside the wider clinical picture.

  4. Medical examination

    Physical examination and appropriate laboratory tests may identify treatable causes such as medication effects, metabolic disorders or vitamin deficiency.

The initial consultation

The clinician discusses current changes, their development, medical history, medication and their effect on independence and daily life.

Memory and concentration tests

Standardised cognitive tasks can examine memory, attention, language and planning; results are interpreted alongside the wider clinical picture.

Medical examination

Physical examination and appropriate laboratory tests may identify treatable causes such as medication effects, metabolic disorders or vitamin deficiency.

Brain imaging

Imaging is not required in every case but may be recommended to investigate structural changes or alternative neurological causes.

Involving relatives

With the person’s agreement, observations from relatives can clarify changes in routines, behaviour and independence over time.

Why timely assessment matters

Earlier clarification can reduce uncertainty, reveal treatable factors and allow support and future decisions to be planned.

Possible next steps

Follow-up may include monitoring, specialist referral, treatment of contributing conditions and practical support for the person and family.

Summary

Dementia assessment combines several sources of information; no single symptom or test provides the whole answer.

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What happens during a dementia assessment?

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