Changes in behaviour

People with dementia experience changes in how they perceive things. This includes misperceptions and misidentifications, hallucinations, delusions and time-shifting.

Real stories

'Dad's hallucinations got worse and worse' - Jess and her dad's young-onset dementia diagnosis

Jess and her brothers began to notice worrying changes in their dad's behaviour, such as hallucinations, while he was living alone. Following a diagnosis of Alzheimer's disease, the siblings set out looking for the right care home for their father.

28 January 2021

Real stories

‘Grandad wasn’t himself’ - Spotting changes in behaviour before a dementia diagnosis

Ruby and her family started to see changes in her Grandad, George’s behaviour before he was diagnosed with mixed dementia. Ruby tells her story of what these changes meant and how the family dealt with them.

31 December 2020

Real stories

'Mum was not Mum' - spotting the first signs of Alzheimer's disease

When Jacqueline's mum stopped doing the things she enjoyed, she took her to the GP. She tells her story of Audrey's diagnosis with Alzheimer's disease and the changes in her behaviour.

08 December 2020

Advice

What is the difference between denial and lack of insight?

Denial and lack of insight are different. They can both cause a person with dementia not to understand or accept their diagnosis.

Advice

Managing overeating and dementia

Some people with dementia may eat too much or too often. This page has tips on how to manage these situations.

Advice

Changes in eating habits and food preference

People with dementia can experience changes in how much food they eat and when and what food they prefer.

Real stories

Living with memory loss – Creating a short film with my grandfather’s old footage

Following the passing of his grandfather, David found his old film reels and created a short film, which was broadcast by the BBC. David reflects on their relationship before dementia, and how the condition affected his grandfather in his later years.

18 August 2020

Dementia Connect support line

The tipping point for my wife needing a diagnosis of dementia

Behaviour that challenges - looking after yourself

Support and care for people with dementia at home: A guide for homecare workers

Coping with changes: As dementia develops and especially after lockdown

'Dad's role changed from "husband" to live-in carer and social worker’ - Martina's story

How can dementia change a person's perception?

'Dad's hallucinations got worse and worse' - Jess and her dad's young-onset dementia diagnosis

‘Grandad wasn’t himself’ - Spotting changes in behaviour before a dementia diagnosis

'Mum was not Mum' - spotting the first signs of Alzheimer's disease

What is the difference between denial and lack of insight?

Managing overeating and dementia

Changes in eating habits and food preference

Living with memory loss – Creating a short film with my grandfather’s old footage

Useful links