- Day-to-day memory – difficulty recalling events that happened recently
- Concentrating, planning or organising – difficulties making decisions, solving problems or carrying out a sequence of tasks such as cooking a meal
- Language – difficulties following a conversation or finding the right word for something
- Visuospatial skills – problems judging distances (such as on stairs) and seeing objects in three dimensions
- Orientation – losing track of the day or date, or becoming confused about where they are
Source: Alzheimer's Society
A person with dementia will also often have changes in their mood. For example, they may become frustrated or irritable, apathetic or withdrawn, anxious, easily upset or unusually sad.
For more information visit the Alzheimer's Society website.